def __init__(
self,
screensize=(800, 600),
fullscreen=False,
caption="Topology Viewer",
particleTypes=None,
initialTopology=None,
laws=None,
simCyclesPerRedraw=None,
border=100,
extraDrawing=None,
showGrid=True,
transparency=None,
position=None,
):
"""x.__init__(...) initializes x; see x.__class__.__doc__ for signature"""
tracker = _cat.coordinatingassistanttracker.getcat()
display = OpenGLDisplay(width=screensize[0], height=screensize[1], fullscreen=fullscreen, title=caption)
display.activate()
OpenGLDisplay.setDisplayService(display, tracker)
super(TopologyViewer3D, self).__init__()
self.particle = None
self.particleTypes = {"-": Particle3D}
def initialiseComponent(self):
# listen to shutdown events
ogl_display = OpenGLDisplay.getDisplayService()[0]
self.link( (ogl_display, "signal"), (self, "control") )
# create board
self.boardvis = CheckersBoard(position=(0,0,-15)).activate()
self.interactor_comms = {}
self.board = {}
for i in range(8):
self.board[i] = {}
for j in range(8):
self.board[i][j] = None
# create black pieces
self.blackPieces = []
self.blackInteractors = []
for i in range(8):
for j in range(3):
if (i+j) %2 == 0:
x = float(i)-3.5
y = float(j)-3.5
piece = CheckersPiece(position=(x, y, -15), colour=(0.6,0,0)).activate()
self.blackPieces.append(piece)
interactor = CheckersInteractor(target=piece, colour='B').activate()
self.blackInteractors.append(interactor)
intcomms = self.addOutbox("interactor_comms")
self.interactor_comms[id(interactor)] = intcomms
self.link( (self, intcomms), (interactor, "inbox"))
self.link( (interactor, "outbox"), (self, "inbox"))
self.board[i][j] = 'B'
# create white pieces
self.whitePieces = []
self.whiteInteractors = []
for i in range(8):
for j in range(5,8):
if (i+j) %2 == 0:
x = float(i)-3.5
y = float(j)-3.5
piece = CheckersPiece(position=(x, y, -15), colour=(0,0,0.6)).activate()
self.whitePieces.append(piece)
interactor = CheckersInteractor(target=piece, colour='B').activate()
self.whiteInteractors.append(interactor)
intcomms = self.addOutbox("interactor_comms")
self.interactor_comms[id(interactor)] = intcomms
self.link( (self, intcomms), (interactor, "inbox"))
self.link( (interactor, "outbox"), (self, "inbox"))
self.board[i][j] = 'W'
return 1
def initUIComponents(self):
# listen to shutdown events
ogl_display = OpenGLDisplay().getDisplayService()[0]
self.link((ogl_display, "signal"), (self, "control"))
# init mover
self.mover = WheelMover(radius=15,
center=(0, 0, -25),
steps=500,
slots=40).activate()
self.link((self, "mover_signal"), (self.mover, "notify"))
self.link((self, "mover_switch"), (self.mover, "switch"))
self.background = SkyGrassBackground(size=(5000, 5000, 0),
position=(0, 0, -90)).activate()
# create & link nav buttons
self.up_button = ArrowButton(size=(1, 1, 0.3),
position=(7, 5, -15),
msg="UP").activate()
self.down_button = ArrowButton(size=(1, 1, 0.3),
position=(7, -5, -15),
rotation=(0, 0, 180),
msg="DOWN").activate()
self.link((self.up_button, "outbox"), (self, "nav"))
self.link((self.down_button, "outbox"), (self, "nav"))
# init info display
self.infoticker = Ticker(text_height=21,
render_right=250,
render_bottom=500,
background_colour=(250, 250, 200),
text_colour=(0, 0, 0),
outline_colour=(255, 255, 255)).activate()
self.tickerwrapper = PygameWrapper(wrap=self.infoticker,
size=(2.4, 4.0, 0.3)).activate()
self.hideinfo_button = Button(caption="Hide", fontsize=30).activate()
infocontents = {
self.tickerwrapper: {
"position": (0, 0, 0)
},
self.hideinfo_button: {
"position": (0, -2.4, 0)
},
}
self.infocontainer = Container(contents=infocontents,
position=(-10, 10, -16)).activate()
infopath = LinearPath([(-10, 10, -16), (-3, 0, -8)], 100)
self.infomover = PathMover(infopath, False).activate()
self.link((self.infomover, "outbox"), (self.infocontainer, "position"))
self.link((self, "infomover_commands"), (self.infomover, "inbox"))
self.link((self, "torrent_info"), (self.infoticker, "inbox"))
self.link((self.hideinfo_button, "outbox"), (self, "hide_info"))
self.send("Stop", "infomover_commands")
def __init__(self,
screensize=(800, 600),
fullscreen=False,
caption="Topology Viewer",
particleTypes=None,
initialTopology=None,
laws=None,
simCyclesPerRedraw=None,
border=100,
extraDrawing=None,
showGrid=True,
transparency=None,
position=None):
"""x.__init__(...) initializes x; see x.__class__.__doc__ for signature"""
tracker = _cat.coordinatingassistanttracker.getcat()
display = OpenGLDisplay(width=screensize[0],
height=screensize[1],
fullscreen=fullscreen,
title=caption)
display.activate()
OpenGLDisplay.setDisplayService(display, tracker)
super(TopologyViewer3D, self).__init__()
self.particle = None
self.particleTypes = {"-": Particle3D}
from Kamaelia.Codec.Dirac import DiracDecoder
from Kamaelia.File.ReadFileAdaptor import ReadFileAdaptor
from Kamaelia.Util.RateFilter import MessageRateLimit
from VideoSurface import VideoSurface
from PixFormatConversion import ToRGB_interleaved
from Kamaelia.UI.PygameDisplay import PygameDisplay
from Kamaelia.UI.OpenGL.OpenGLDisplay import OpenGLDisplay
from Kamaelia.UI.OpenGL.PygameWrapper import PygameWrapper
from Kamaelia.UI.OpenGL.SkyGrassBackground import SkyGrassBackground
from Kamaelia.UI.OpenGL.Movement import SimpleRotator
file = "../../../Code/Python/Kamaelia/Examples/VideoCodecs/Dirac/snowboard-jump-352x288x75.0.5.4.drc"
framerate = 15
# override pygame display service
ogl_display = OpenGLDisplay.getDisplayService()
PygameDisplay.setDisplayService(ogl_display[0])
SkyGrassBackground(size=(5000, 5000, 0), position=(0, 0, -100)).activate()
screen = VideoSurface()
screen__in_scene = PygameWrapper(wrap=screen,
position=(0, 0, -5),
rotation=(-30, 15, 3)).activate()
rotator = SimpleRotator(amount=(0.0, 0.0, 0.5)).activate()
rotator.link((rotator, "outbox"), (screen__in_scene, "rel_rotation"))
Pipeline(ReadFileAdaptor(file, readmode="bitrate", bitrate=300000 * 8 / 5),
DiracDecoder(), ToRGB_interleaved(),
MessageRateLimit(framerate, buffer=15), screen).run()
def initialiseComponent(self):
# listen to shutdown events
ogl_display = OpenGLDisplay.getDisplayService()[0]
self.link((ogl_display, "signal"), (self, "control"))
# create board
self.boardvis = CheckersBoard(position=(0, 0, -15)).activate()
self.interactor_comms = {}
self.board = {}
for i in range(8):
self.board[i] = {}
for j in range(8):
self.board[i][j] = None
# create black pieces
self.blackPieces = []
self.blackInteractors = []
for i in range(8):
for j in range(3):
if (i + j) % 2 == 0:
x = float(i) - 3.5
y = float(j) - 3.5
piece = CheckersPiece(position=(x, y, -15),
colour=(0.6, 0, 0)).activate()
self.blackPieces.append(piece)
interactor = CheckersInteractor(target=piece,
colour='B').activate()
self.blackInteractors.append(interactor)
intcomms = self.addOutbox("interactor_comms")
self.interactor_comms[id(interactor)] = intcomms
self.link((self, intcomms), (interactor, "inbox"))
self.link((interactor, "outbox"), (self, "inbox"))
self.board[i][j] = 'B'
# create white pieces
self.whitePieces = []
self.whiteInteractors = []
for i in range(8):
for j in range(5, 8):
if (i + j) % 2 == 0:
x = float(i) - 3.5
y = float(j) - 3.5
piece = CheckersPiece(position=(x, y, -15),
colour=(0, 0, 0.6)).activate()
self.whitePieces.append(piece)
interactor = CheckersInteractor(target=piece,
colour='B').activate()
self.whiteInteractors.append(interactor)
intcomms = self.addOutbox("interactor_comms")
self.interactor_comms[id(interactor)] = intcomms
self.link((self, intcomms), (interactor, "inbox"))
self.link((interactor, "outbox"), (self, "inbox"))
self.board[i][j] = 'W'
return 1
if (to[0] < 0 or to[0] > 7 or to[1] < 0 or to[1] > 7
or to[0] + to[1]) % 2 != 0 or self.board[to[0]][
to[1]] is not None:
self.send("INVALID", self.interactor_comms[objectid])
else:
self.board[fr[0]][fr[1]] = None
self.board[to[0]][to[1]] = colour
self.send("ACK", self.interactor_comms[objectid])
while self.dataReady("control"):
cmsg = self.recv("control")
if isinstance(cmsg, Axon.Ipc.shutdownMicroprocess):
# dirty way to terminate program
sys.exit(0)
return 1
if __name__ == '__main__':
# initialise display, change point of view
ogl_display = OpenGLDisplay(viewerposition=(0, -10, 0),
lookat=(0, 0, -15),
limit_fps=100)
ogl_display.activate()
OpenGLDisplay.setDisplayService(ogl_display)
Checkers().activate()
Axon.Scheduler.scheduler.run.runThreads()
# Licensed to the BBC under a Contributor Agreement: THF
def __init__(self, screensize = (800,600),
fullscreen = False,
caption = "3D Topology Viewer",
particleTypes = None,
initialTopology = None,
laws = None,
simCyclesPerRedraw = 1,
border = 0):
"""x.__init__(...) initializes x; see x.__class__.__doc__ for signature"""
super(TopologyViewer3D, self).__init__()
glutInit(sys.argv)
tracker = _cat.coordinatingassistanttracker.getcat()
try:
self.display = tracker.retrieveService("ogl_display")[0]
except KeyError:
self.display = OpenGLDisplay(width=screensize[0], height=screensize[1],fullscreen=fullscreen,
title=caption)
self.display.activate()
OpenGLDisplay.setDisplayService(self.display, tracker)
self.display = OpenGLDisplay.getDisplayService()[0]
self.link((self,"display_signal"), (self.display,"notify"))
self.link((self.display,"signal"), (self,"control"))
self.border = border
if particleTypes == None:
self.particleTypes = {"-":CuboidParticle3D, "cuboid":CuboidParticle3D, "sphere":SphereParticle3D,
"teapot":TeapotParticle3D}
else:
self.particleTypes = particleTypes
if initialTopology == None:
initialTopology = ([],[])
self.initialNodes = list(initialTopology[0])
self.initialBonds = list(initialTopology[1])
self.hitParticles = []
self.multiSelectMode = False
self.selectedParticles = []
self.grabbed = False
self.rotationMode = False
if laws==None:
self.laws = Kamaelia.Support.Particles.SimpleLaws(bondLength=2)
else:
self.laws = laws
self.physics = ParticleSystem(self.laws, [], 0)
self.biggestRadius = 0
# Do interaction
self.simCyclesPerRedraw = simCyclesPerRedraw
self.lastIdleTime = time.time()
# Tell if new node is added; if true, new id needs adding to OpenGLDisplay list
self.isNewNode = False
# For hierarchy structure
self.maxLevel = 0
self.currentLevel = 0
self.previousParentParticleID = self.currentParentParticleID = ''
self.viewerOldPos = Vector()
self.levelViewerPos = {}
# The Physics particle system of current display level for display
self.currentDisplayedPhysics = ParticleSystem(self.laws, [], 0)
# For double click
self.lastClickPos = (0,0)
self.lastClickTime = time.time()
self.dClickRes = 0.3
def __init__(self,
screensize=(800, 600),
fullscreen=False,
caption="3D Topology Viewer",
particleTypes=None,
initialTopology=None,
laws=None,
simCyclesPerRedraw=1,
border=0):
"""x.__init__(...) initializes x; see x.__class__.__doc__ for signature"""
super(TopologyViewer3D, self).__init__()
glutInit(sys.argv)
tracker = _cat.coordinatingassistanttracker.getcat()
try:
self.display = tracker.retrieveService("ogl_display")[0]
except KeyError:
self.display = OpenGLDisplay(width=screensize[0],
height=screensize[1],
fullscreen=fullscreen,
title=caption)
self.display.activate()
OpenGLDisplay.setDisplayService(self.display, tracker)
self.display = OpenGLDisplay.getDisplayService()[0]
self.link((self, "display_signal"), (self.display, "notify"))
self.link((self.display, "signal"), (self, "control"))
self.border = border
if particleTypes == None:
self.particleTypes = {
"-": CuboidParticle3D,
"cuboid": CuboidParticle3D,
"sphere": SphereParticle3D,
"teapot": TeapotParticle3D
}
else:
self.particleTypes = particleTypes
if initialTopology == None:
initialTopology = ([], [])
self.initialNodes = list(initialTopology[0])
self.initialBonds = list(initialTopology[1])
self.hitParticles = []
self.multiSelectMode = False
self.selectedParticles = []
self.grabbed = False
self.rotationMode = False
if laws == None:
self.laws = Kamaelia.Support.Particles.SimpleLaws(bondLength=2)
else:
self.laws = laws
self.physics = ParticleSystem(self.laws, [], 0)
self.biggestRadius = 0
# Do interaction
self.simCyclesPerRedraw = simCyclesPerRedraw
self.lastIdleTime = time.time()
# Tell if new node is added; if true, new id needs adding to OpenGLDisplay list
self.isNewNode = False
# For hierarchy structure
self.maxLevel = 0
self.currentLevel = 0
self.previousParentParticleID = self.currentParentParticleID = ''
self.viewerOldPos = Vector()
self.levelViewerPos = {}
# The Physics particle system of current display level for display
self.currentDisplayedPhysics = ParticleSystem(self.laws, [], 0)
# For double click
self.lastClickPos = (0, 0)
self.lastClickTime = time.time()
self.dClickRes = 0.3
from Kamaelia.Apps.Whiteboard.SmartBoard import SmartBoard
from Kamaelia.Apps.Whiteboard.Webcam import Webcam
#from Webcam import Webcam
from Webcam import VideoCaptureSource
#from BlankCanvas import BlankCanvas
if __name__=="__main__":
width = 1024
height = 768
top = 0
left = 0
colours_order = [ "black", "red", "orange", "yellow", "green", "turquoise", "blue", "purple", "darkgrey", "lightgrey" ]
ogl_display = OpenGLDisplay(title="Kamaelia Whiteboard",width=width,height=height,background_colour=(255,255,255))
ogl_display.activate()
OpenGLDisplay.setDisplayService(ogl_display)
ogl_display = OpenGLDisplay.getDisplayService()
PygameDisplay.setDisplayService(ogl_display[0])
if (0):
#PygameDisplay.setDisplayService(ogl_display)
CANVAS = Canvas( position=(left,top+32),size=(1200,(900-(32+15))),notepad="Test" ).activate() #(replace width with 'width' and height with 'height-(32+15)'
PAINTER = Painter().activate()
CANVAS_WRAPPER = PygameWrapper(wrap=CANVAS, position=(0,0,-10), rotation=(0,0,0)).activate()
ERASER = Eraser(left,top).activate()
PALETTE = buildPalette( cols=colours, order=colours_order, topleft=(left+64,top), size=32 ).activate()
CLEAR = ClearPage(left+(64*5)+32*len(colours),top).activate()
#PALETTE_WRAPPER = PygameWrapper(wrap=PALETTE, position=(4,1,-10), rotation=(-20,15,3)).activate()
from Kamaelia.Chassis.Pipeline import Pipeline
from Kamaelia.UI.OpenGL.OpenGLDisplay import OpenGLDisplay
from Kamaelia.UI.OpenGL.PygameWrapper import PygameWrapper
from Kamaelia.UI.OpenGL.MatchedTranslationInteractor import MatchedTranslationInteractor
from Kamaelia.UI.PygameDisplay import PygameDisplay
from Kamaelia.UI.Pygame.Button import Button
from Kamaelia.UI.Pygame.Text import Textbox, TextDisplayer
from Kamaelia.UI.Pygame.VideoSurface import VideoSurface
from Kamaelia.Codec.Dirac import DiracDecoder
from Kamaelia.Util.RateFilter import MessageRateLimit
from Kamaelia.File.ReadFileAdaptor import ReadFileAdaptor
from Kamaelia.Video.PixFormatConversion import ToRGB_interleaved
# override pygame display service
ogl_display = OpenGLDisplay.getDisplayService(fullscreen=True)
PygameDisplay.setDisplayService(ogl_display[0])
READER = Textbox(size=(400, 300), text_height=30).activate()
WRITER = TextDisplayer(size=(400, 300), text_height=30).activate()
SCREEN = VideoSurface().activate()
Pipeline(
ReadFileAdaptor("TestMaterial/TrainWindow.drc",
readmode="bitrate",
bitrate=1000000),
DiracDecoder(),
MessageRateLimit(10),
ToRGB_interleaved(),
SCREEN,
from Kamaelia.Chassis.Pipeline import Pipeline
from Kamaelia.UI.OpenGL.OpenGLDisplay import OpenGLDisplay
from Kamaelia.UI.OpenGL.PygameWrapper import PygameWrapper
from Kamaelia.UI.OpenGL.MatchedTranslationInteractor import MatchedTranslationInteractor
from Kamaelia.UI.PygameDisplay import PygameDisplay
from Kamaelia.UI.Pygame.Button import Button
from Kamaelia.UI.Pygame.Text import Textbox, TextDisplayer
from Kamaelia.UI.Pygame.VideoSurface import VideoSurface
from Kamaelia.Codec.Dirac import DiracDecoder
from Kamaelia.Util.RateFilter import MessageRateLimit
from Kamaelia.File.ReadFileAdaptor import ReadFileAdaptor
from Kamaelia.Video.PixFormatConversion import ToRGB_interleaved
# override pygame display service
ogl_display = OpenGLDisplay.getDisplayService(fullscreen=True)
PygameDisplay.setDisplayService(ogl_display[0])
READER = Textbox(size = (400, 300),text_height=30).activate()
WRITER = TextDisplayer(size = (400, 300),text_height=30).activate()
SCREEN = VideoSurface().activate()
Pipeline(
ReadFileAdaptor("TestMaterial/TrainWindow.drc", readmode="bitrate",
bitrate = 1000000),
DiracDecoder(),
MessageRateLimit(10),
ToRGB_interleaved(),
SCREEN,
def main(self):
while 1:
self.capture_one()
self.send(self.snapshot, "outbox")
time.sleep(self.delay)
from Kamaelia.UI.OpenGL.OpenGLDisplay import OpenGLDisplay
from Kamaelia.UI.PygameDisplay import PygameDisplay
from Kamaelia.UI.OpenGL.SkyGrassBackground import SkyGrassBackground
from Kamaelia.UI.OpenGL.PygameWrapper import PygameWrapper
from Kamaelia.UI.OpenGL.MatchedTranslationInteractor import MatchedTranslationInteractor
ogl_display = OpenGLDisplay.getDisplayService()
PygameDisplay.setDisplayService(ogl_display[0])
# SkyGrassBackground(size=(5000,5000,0), position=(0,0,-100)).activate()
screen = VideoSurface().activate()
screen_in_scene = PygameWrapper(wrap=screen, position=(0, 0,-8), rotation=(-30,15,3)).activate()
i1 = MatchedTranslationInteractor(target=screen_in_scene).activate()
Pipeline(
VideoCaptureSource(),
PureTransformer(lambda F : \
{"rgb" : pygame.image.tostring(F, "RGB"),
"size" : (352, 288),
"pixformat" : "RGB_interleaved",
}),
class TopologyViewer3D(Axon.AdaptiveCommsComponent.AdaptiveCommsComponent):
"""\
TopologyViewer3D(...) -> new TopologyViewer3D component.
A component that takes incoming topology (change) data and displays it live
using pygame OpenGL. A simple physics model assists with visual layout. Particle
types, appearance and physics interactions can be customised.
"""
Inboxes = { "inbox" : "Topology (change) data describing an Axon system",
"control" : "Shutdown signalling",
"alphacontrol" : "Alpha (transparency) of the image (value 0..255)",
"callback": "for the response after a displayrequest",
"events" : "Place where we recieve events from the outside world",
"displaycontrol" : "Replies from Pygame Display service",
}
Outboxes = { "signal" : "NOT USED",
"outbox" : "Notification and topology output",
"display_signal" : "Requests to Pygame Display service",
}
def __init__(self, screensize = (800,600),
fullscreen = False,
caption = "Topology Viewer",
particleTypes = None,
initialTopology = None,
laws = None,
simCyclesPerRedraw = 1,
border = 0,
extraDrawing = None,
showGrid = True,
transparency = None,
position = None):
"""x.__init__(...) initializes x; see x.__class__.__doc__ for signature"""
super(TopologyViewer3D, self).__init__()
glutInit(sys.argv)
tracker = _cat.coordinatingassistanttracker.getcat()
self.display = OpenGLDisplay(width=screensize[0], height=screensize[1],fullscreen=fullscreen,
title=caption)
self.display.activate()
OpenGLDisplay.setDisplayService(self.display, tracker)
self.link((self,"display_signal"), (self.display,"notify"))
self.link((self.display,"signal"), (self,"control"))
self.border = border
if particleTypes == None:
self.particleTypes = {"-":CuboidParticle3D, "cuboid":CuboidParticle3D, "sphere":SphereParticle3D,
"teapot":TeapotParticle3D}
else:
self.particleTypes = particleTypes
self.hitParticles = []
self.multiSelectMode = False
self.selectedParticles = []
self.grabbed = False
self.rotationMode = False
if laws==None:
self.laws = Kamaelia.Support.Particles.SimpleLaws(bondLength=2)
else:
self.laws = laws
self.physics = ParticleSystemX(self.laws, [], 0)
self.biggestRadius = 0
# Do interaction
self.simCyclesPerRedraw = simCyclesPerRedraw
self.lastIdleTime = time.time()
# Tell if new node is added; if true, new id needs adding to OpenGLDisplay list
self.isNewNode = False
# For hierarchy structure
self.maxLevel = 0
self.currentLevel = 0
self.currentParentParticleID = ''
self.viewerOldPos = Vector()
self.levelViewerPos = {}
self.currentDisplayedPhysics = ParticleSystemX(self.laws, [], 0)
# For double click
self.lastClickPos = (0,0)
self.lastClickTime = time.time()
self.dClickRes = 0.3
def main(self):
"""\
"""
# create display request for itself
self.size = Vector(0,0,0)
disprequest = { "OGL_DISPLAYREQUEST" : True,
"objectid" : id(self),
"callback" : (self,"callback"),
"events" : (self, "events"),
"size": self.size
}
# send display request
self.send(disprequest, "display_signal")
# wait for response on displayrequest and get identifier of the viewer
while not self.dataReady("callback"): yield 1
self.identifier = self.recv("callback")
self.addListenEvents( [pygame.MOUSEBUTTONDOWN, pygame.MOUSEBUTTONUP, pygame.MOUSEMOTION, pygame.KEYDOWN, pygame.KEYUP ])
pygame.key.set_repeat(100,100)
while True:
# process incoming messages
if self.dataReady("inbox"):
message = self.recv("inbox")
self.doCommand(message)
#print message
# wait for response on displayrequest and get identifier of the particle
if self.isNewNode:
while not self.dataReady("callback"): yield 1
self.physics.particles[-1].identifier = self.recv("callback")
self.isNewNode = False
else:
self.lastIdleTime = 0
yield 1
if self.lastIdleTime + 1.0 < time.time():
#print [particle.pos for particle in self.physics.particles]
avoidedList = []
avoidedList.extend(self.hitParticles)
avoidedList.extend(self.selectedParticles)
#self.currentDisplayedPhysics.particleDict[ident].breakAllBonds()
self.currentDisplayedPhysics.particles = []
if self.physics.particles != []:
for particle in self.physics.particles:
if self.currentParentParticleID == '':
if ':' not in particle.ID:
self.currentDisplayedPhysics.add( particle )
particle.oldpos = particle.initialpos
elif particle.ID.find(self.currentParentParticleID) == 0 and particle.ID.count(':') == self.currentLevel:
self.currentDisplayedPhysics.add( particle )
particle.oldpos = particle.initialpos
self.currentDisplayedPhysics.run(self.simCyclesPerRedraw, avoidedList=avoidedList)
#print [particle.pos for particle in self.physics.particles]
# Draw particles if new or updated
for particle in self.currentDisplayedPhysics.particles:
if particle.needRedraw:
self.drawParticles(particle)
#particle.needRedraw = False
self.handleEvents()
# Perform transformation
for particle in self.currentDisplayedPhysics.particles:
transform_update = particle.applyTransforms()
if transform_update is not None:
self.send(transform_update, "display_signal")
#print transform_update
#print [particle.pos for particle in self.physics.particles]
self.lastIdleTime = time.time()
else:
yield 1
if self.dataReady("control"):
msg = self.recv("control")
if isinstance(msg, Axon.Ipc.shutdownMicroprocess):
self.quit(msg)
def quit(self,msg=Axon.Ipc.shutdownMicroprocess()):
print 'Shut down...'
self.send(msg, "signal")
self.scheduler.stop()
def draw(self):
"""\
Invoke draw() and save its commands to a newly generated displaylist.
The displaylist name is then sent to the display service via a
"DISPLAYLIST_UPDATE" request.
"""
pass
def drawParticles(self, *particles):
for particle in particles:
# display list id
displaylist = glGenLists(1)
# draw object to its displaylist
glNewList(displaylist, GL_COMPILE)
particle.draw()
glEndList()
#print displaylist
dl_update = { "DISPLAYLIST_UPDATE": True,
"objectid": id(particle),
"displaylist": displaylist
}
self.send(dl_update, "display_signal")
#print particle
def addListenEvents(self, events):
"""\
Sends listening request for pygame events to the display service.
The events parameter is expected to be a list of pygame event constants.
"""
for event in events:
self.send({"ADDLISTENEVENT":event, "objectid":id(self)}, "display_signal")
def removeListenEvents(self, events):
"""\
Sends stop listening request for pygame events to the display service.
The events parameter is expected to be a list of pygame event constants.
"""
for event in events:
self.send({"REMOVELISTENEVENT":event, "objectid":id(self)}, "display_signal")
def handleEvents(self):
""" Handle events. """
while self.dataReady("events"):
event = self.recv("events")
if event.type == pygame.MOUSEBUTTONDOWN or pygame.MOUSEMOTION and self.grabbed:
if not self.rotationMode:
for particle in self.hitParticles:
p1 = Vector(*particle.pos).copy()
p1.x += 10
p2 = Vector(*particle.pos).copy()
p2.y += 10
#z = Intersect.ray_Plane(Vector(0,0,0), event.direction, [Vector(*particle.pos)-self.display.viewerposition, p1, p2])
z = Intersect.ray_Plane(Vector(0,0,0), event.direction, [Vector(*particle.pos)-Vector(0,0,self.display.viewerposition.z), p1-Vector(0,0,self.display.viewerposition.z), p2-Vector(0,0,self.display.viewerposition.z)])
newpoint = event.direction * z
if event.type == pygame.MOUSEBUTTONDOWN:
if event.button == 1:
# Handle double click
clickPos = event.pos
currentTime = time.time()
elapsedTime = currentTime - self.lastClickTime
if clickPos == self.lastClickPos and elapsedTime<self.dClickRes:
if self.currentLevel < self.maxLevel and len(self.selectedParticles) == 1:
hasChildParticles = False
for particle in self.physics.particles:
if particle.ID.find(self.selectedParticles[0].ID) == 0 and particle.ID != self.selectedParticles[0].ID:
hasChildParticles = True
break
if hasChildParticles:
self.currentParentParticleID = self.selectedParticles[0].ID
self.gotoDisplayLevel(1)
else:
print 'Warning: The particle you double-clicked has no children!'
else:
if self.currentLevel == self.maxLevel:
print "Warning: max hierarchy level has reached!"
if len(self.selectedParticles) != 1:
print "Tips: To extend a node, please double-click the node you want to extend"
else:
if not self.rotationMode:
for particle in self.currentDisplayedPhysics.particles:
if particle.identifier in event.hitobjects:
#particle.oldpos = particle.oldpos - self.display.viewerposition
self.grabbed = True
#particle.scaling = Vector(0.9,0.9,0.9)
self.hitParticles.append(particle)
self.selectParticle(particle)
#print str(id(particle))+'hit'
#print self.hitParticles
# If click places other than particles in non multiSelectMode, deselect all
if not self.hitParticles and not self.multiSelectMode:
self.deselectAll()
self.lastClickPos = clickPos
self.lastClickTime = currentTime
if event.button == 3:
if self.currentLevel > 0:
items = self.currentParentParticleID.split(':')
items.pop()
self.currentParentParticleID = ':'.join(items)
self.gotoDisplayLevel(-1)
else:
print "Warning: The first hierarchy level has reached!"
if event.button == 4:
if self.selectedParticles:
particles = self.selectedParticles
else:
particles = self.currentDisplayedPhysics.particles
for particle in particles:
posVector = Vector(*particle.pos)
posVector.z -= 1
particle.pos = posVector.toTuple()
if event.button == 5:
if self.selectedParticles:
particles = self.selectedParticles
else:
particles = self.currentDisplayedPhysics.particles
for particle in particles:
posVector = Vector(*particle.pos)
posVector.z += 1
particle.pos = posVector.toTuple()
if event.type == pygame.MOUSEBUTTONUP:
if event.button == 1:
for particle in self.hitParticles:
self.grabbed = False
particle.oldpoint = None
#particle.scaling = Vector(1,1,1)
self.hitParticles.pop(self.hitParticles.index(particle))
#print self.hitParticles
if event.type == pygame.MOUSEMOTION:
if not self.rotationMode and self.grabbed:
for particle in self.hitParticles:
try:
if particle.oldpoint is not None:
#print particle.pos
diff = newpoint-particle.oldpoint
amount = (diff.x, diff.y)
particle.pos = (Vector(*particle.pos)+Vector(*amount)).toTuple()
except NameError: pass
# Redraw the link so that the link can move with the particle
for p in particle.bondedFrom:
p.needRedraw = True
elif self.rotationMode:
if self.selectedParticles:
particles = self.selectedParticles
else:
particles = self.currentDisplayedPhysics.particles
centrePoint = Vector()
for particle in particles:
posVector = Vector(*particle.pos)
centrePoint += posVector
centrePoint /= len(particles)
dAnglex = float(event.rel[1])*math.pi/180
dAngley = -float(event.rel[0])*math.pi/180
for particle in particles:
posVector = Vector(*particle.pos)
relativePosVector = posVector - centrePoint
radius = (relativePosVector.z*relativePosVector.z+relativePosVector.y*relativePosVector.y)**0.5
newAnglex = (math.atan2(relativePosVector.z,relativePosVector.y)+dAnglex)
particle.pos = (posVector.x, radius*math.cos(newAnglex)+centrePoint.y, radius*math.sin(newAnglex)+centrePoint.z)
posVector = Vector(*particle.pos)
relativePosVector = posVector - centrePoint
radius = (relativePosVector.z*relativePosVector.z+relativePosVector.x*relativePosVector.x)**0.5
newAngley = (math.atan2(relativePosVector.z,relativePosVector.x)+dAngley)
particle.pos = (radius*math.cos(newAngley)+centrePoint.x, posVector.y, radius*math.sin(newAngley)+centrePoint.z)
particle.drotation.y = float(event.rel[0])
particle.drotation.x = float(event.rel[1])
particle.drotation %= 360
try:
for particle in self.hitParticles:
particle.oldpoint = newpoint
except NameError: pass
# Keyboard events handling
if event.type == pygame.KEYDOWN:
if event.key == pygame.K_ESCAPE:
self.quit()
elif event.key == pygame.K_BACKSPACE:
if self.currentLevel > 0:
items = self.currentParentParticleID.split(':')
items.pop()
self.currentParentParticleID = ':'.join(items)
self.gotoDisplayLevel(-1)
else:
print "Warning: The first hierarchy level has reached!"
elif event.key == pygame.K_RETURN:
if self.currentLevel < self.maxLevel and len(self.selectedParticles) == 1:
hasChildParticles = False
for particle in self.physics.particles:
if particle.ID.find(self.selectedParticles[0].ID) == 0 and particle.ID != self.selectedParticles[0].ID:
hasChildParticles = True
break
if hasChildParticles:
self.currentParentParticleID = self.selectedParticles[0].ID
self.gotoDisplayLevel(1)
else:
print 'Warning: The particle you double-clicked has no children!'
else:
if self.currentLevel == self.maxLevel:
print "Warning: max hierarchy level has reached!"
if len(self.selectedParticles) != 1:
print "Tips: To extend a node, please click to select the node (only one) you want to extend first."
elif event.key == pygame.K_LSHIFT or event.key == pygame.K_RSHIFT:
self.multiSelectMode = True
elif event.key == pygame.K_LCTRL or event.key == pygame.K_RCTRL:
self.rotationMode = True
elif event.key == pygame.K_PAGEUP:
self.display.viewerposition.z -= 0.5
elif event.key == pygame.K_PAGEDOWN:
self.display.viewerposition.z += 0.5
elif event.key == pygame.K_w:
self.display.viewerposition.y += 0.5
elif event.key == pygame.K_s:
self.display.viewerposition.y -= 0.5
elif event.key == pygame.K_a:
self.display.viewerposition.x -= 0.5
elif event.key == pygame.K_d:
self.display.viewerposition.x += 0.5
elif event.key == pygame.K_UP:
if self.selectedParticles:
particles = self.selectedParticles
else:
particles = self.currentDisplayedPhysics.particles
centrePoint = Vector()
for particle in particles:
posVector = Vector(*particle.pos)
centrePoint += posVector
centrePoint /= len(particles)
dAngle = -20*math.pi/180
for particle in particles:
posVector = Vector(*particle.pos)
relativePosVector = posVector - centrePoint
radius = (relativePosVector.z*relativePosVector.z+relativePosVector.y*relativePosVector.y)**0.5
newAngle = (math.atan2(relativePosVector.z,relativePosVector.y)+dAngle)
particle.pos = (posVector.x, radius*math.cos(newAngle)+centrePoint.y, radius*math.sin(newAngle)+centrePoint.z)
particle.drotation = Vector(dAngle*180/math.pi,0,0)
elif event.key == pygame.K_DOWN:
if self.selectedParticles:
particles = self.selectedParticles
else:
particles = self.currentDisplayedPhysics.particles
centrePoint = Vector()
for particle in particles:
posVector = Vector(*particle.pos)
centrePoint += posVector
centrePoint /= len(particles)
dAngle = 20*math.pi/180
for particle in particles:
posVector = Vector(*particle.pos)
relativePosVector = posVector - centrePoint
radius = (relativePosVector.z*relativePosVector.z+relativePosVector.y*relativePosVector.y)**0.5
newAngle = (math.atan2(relativePosVector.z,relativePosVector.y)+dAngle)
particle.pos = (posVector.x, radius*math.cos(newAngle)+centrePoint.y, radius*math.sin(newAngle)+centrePoint.z)
particle.drotation = Vector(dAngle*180/math.pi,0,0)
elif event.key == pygame.K_LEFT:
if self.selectedParticles:
particles = self.selectedParticles
else:
particles = self.currentDisplayedPhysics.particles
centrePoint = Vector()
for particle in particles:
posVector = Vector(*particle.pos)
centrePoint += posVector
centrePoint /= len(particles)
dAngle = 20*math.pi/180
for particle in particles:
posVector = Vector(*particle.pos)
relativePosVector = posVector - centrePoint
radius = (relativePosVector.z*relativePosVector.z+relativePosVector.x*relativePosVector.x)**0.5
newAngle = (math.atan2(relativePosVector.z,relativePosVector.x)+dAngle)
particle.pos = (radius*math.cos(newAngle)+centrePoint.x, posVector.y, radius*math.sin(newAngle)+centrePoint.z)
particle.drotation = Vector(0,-dAngle*180/math.pi,0)
elif event.key == pygame.K_RIGHT:
if self.selectedParticles:
particles = self.selectedParticles
else:
particles = self.currentDisplayedPhysics.particles
centrePoint = Vector()
for particle in particles:
posVector = Vector(*particle.pos)
centrePoint += posVector
centrePoint /= len(particles)
dAngle = -20*math.pi/180
for particle in particles:
posVector = Vector(*particle.pos)
relativePosVector = posVector - centrePoint
radius = (relativePosVector.z*relativePosVector.z+relativePosVector.x*relativePosVector.x)**0.5
newAngle = (math.atan2(relativePosVector.z,relativePosVector.x)+dAngle)
particle.pos = (radius*math.cos(newAngle)+centrePoint.x, posVector.y, radius*math.sin(newAngle)+centrePoint.z)
particle.drotation = Vector(0,-dAngle*180/math.pi,0)
elif event.key == pygame.K_COMMA:
if self.selectedParticles:
particles = self.selectedParticles
else:
particles = self.currentDisplayedPhysics.particles
centrePoint = Vector()
for particle in particles:
posVector = Vector(*particle.pos)
centrePoint += posVector
centrePoint /= len(particles)
dAngle = 20*math.pi/180
for particle in particles:
posVector = Vector(*particle.pos)
relativePosVector = posVector - centrePoint
radius = (relativePosVector.x*relativePosVector.x+relativePosVector.y*relativePosVector.y)**0.5
newAngle = (math.atan2(relativePosVector.y,relativePosVector.x)+dAngle)
particle.pos = (radius*math.cos(newAngle)+centrePoint.x, radius*math.sin(newAngle)+centrePoint.y, posVector.z)
particle.drotation = Vector(0,0,dAngle*180/math.pi)
elif event.key == pygame.K_PERIOD:
if self.selectedParticles:
particles = self.selectedParticles
else:
particles = self.currentDisplayedPhysics.particles
centrePoint = Vector()
for particle in particles:
posVector = Vector(*particle.pos)
centrePoint += posVector
centrePoint /= len(particles)
dAngle = -20*math.pi/180
for particle in particles:
posVector = Vector(*particle.pos)
relativePosVector = posVector - centrePoint
radius = (relativePosVector.x*relativePosVector.x+relativePosVector.y*relativePosVector.y)**0.5
newAngle = (math.atan2(relativePosVector.y,relativePosVector.x)+dAngle)
particle.pos = (radius*math.cos(newAngle)+centrePoint.x, radius*math.sin(newAngle)+centrePoint.y, posVector.z)
particle.drotation = Vector(0,0,dAngle*180/math.pi)
#print self.display.viewerposition
# Scroll if self.display.viewerposition changes
if self.display.viewerposition.copy() != self.viewerOldPos:
self.scroll()
self.viewerOldPos = self.display.viewerposition.copy()
# for particle in self.currentDisplayedPhysics.particles:
# particle.oldpoint = None
if event.type == pygame.KEYUP:
if event.key == pygame.K_LSHIFT or event.key == pygame.K_RSHIFT:
self.multiSelectMode = False
elif event.key == pygame.K_LCTRL or event.key == pygame.K_RCTRL:
self.rotationMode = False
def scroll( self ):
# Scroll the surface by resetting gluLookAt
glMatrixMode(GL_PROJECTION)
glLoadIdentity()
self.display.setProjection()
def gotoDisplayLevel( self, dlevel):
# Save current level's viewer position
self.levelViewerPos[self.currentLevel] = self.display.viewerposition.copy()
# Display next level
self.currentLevel += dlevel
# Reset viewer position to previous
try:
self.display.viewerposition = self.levelViewerPos[self.currentLevel].copy()
except KeyError:
self.display.viewerposition = self.levelViewerPos[self.currentLevel] = Vector()
# Remove current displayed particles
for particle in self.currentDisplayedPhysics.particles:
self.display.ogl_displaylists.pop(id(particle))
self.display.ogl_transforms.pop(id(particle))
self.currentDisplayedPhysics.removeByID(*self.currentDisplayedPhysics.particleDict.keys())
def doCommand(self, msg):
"""\
Proceses a topology command tuple:
[ "ADD", "NODE", <id>, <name>, <positionSpec>, <particle type> ]
[ "DEL", "NODE", <id> ]
[ "ADD", "LINK", <id from>, <id to> ]
[ "DEL", "LINK", <id from>, <id to> ]
[ "DEL", "ALL" ]
[ "GET", "ALL" ]
"""
#print 'doCommand'
if len(msg) >= 2:
cmd = msg[0].upper(), msg[1].upper()
if cmd == ("ADD", "NODE") and len(msg) == 6:
if msg[2] in [p.ID for p in self.physics.particles]:
print "Node exists, please use a new node ID!"
else:
if self.particleTypes.has_key(msg[5]):
#print 'ADD NODE begin'
ptype = self.particleTypes[msg[5]]
ident = msg[2]
name = msg[3]
posSpec = msg[4]
pos = self._generatePos(posSpec)
#print pos
particle = ptype(position = pos, ID=ident, name=name)
particle.originaltype = msg[5]
#self.particles.append(particle)
#print self.particles[0]
self.addParticle(particle)
self.isNewNode = True
#print id(particle)
#print 'ADD NODE end'
elif cmd == ("DEL", "NODE") and len(msg) == 3:
ident = msg[2]
self.removeParticle(ident)
elif cmd == ("ADD", "LINK") and len(msg) == 4:
src = msg[2]
dst = msg[3]
self.makeBond(src, dst)
elif cmd == ("DEL", "LINK") and len(msg) == 4:
src = msg[2]
dst = msg[3]
self.breakBond(src, dst)
elif cmd == ("DEL", "ALL") and len(msg) == 2:
self.removeParticle(*self.physics.particleDict.keys())
self.currentLevel = 0
self.currentParentParticleID = ''
elif cmd == ("GET", "ALL") and len(msg) == 2:
topology = [("DEL","ALL")]
topology.extend(self.getTopology())
self.send( ("TOPOLOGY", topology), "outbox" )
elif cmd == ("UPDATE_NAME", "NODE") and len(msg) == 4:
node_id = msg[2]
new_name = msg[3]
self.updateParticleLabel(node_id, new_name)
self.send( ("UPDATE_NAME", "NODE", node_id, new_name), "outbox" )
elif cmd == ("GET_NAME", "NODE") and len(msg) == 3:
node_id = msg[2]
name = self.getParticleLabel(node_id)
self.send( ("GET_NAME", "NODE", node_id, name), "outbox" )
else:
print "Command Error: please check your command format!"
else:
print "Command Error: not enough parameters!"
def _generatePos(self, posSpec):
"""\
generateXY(posSpec) -> (x,y,z) or raises ValueError
posSpec == "randompos" or "auto" -> random (x,y,z) within the surface (specified border distance in from the edege)
posSpec == "(XXX,YYY,ZZZ)" -> specified x,y,z (positive or negative integers)
"""
posSpec = posSpec.lower()
if posSpec == "randompos" or posSpec == "auto" :
# FIXME: need to consider camera/ viewer setting
zLim = self.display.nearPlaneDist, self.display.farPlaneDist
z = -1*random.randrange(int((zLim[1]-zLim[0])/20)+self.border,int((zLim[1]-zLim[0])/8)-self.border,1)
yLim = z*math.tan(self.display.perspectiveAngle*math.pi/360.0), -z*math.tan(self.display.perspectiveAngle*math.pi/360.0)
xLim = yLim[0]*self.display.aspectRatio, yLim[1]*self.display.aspectRatio
y = random.randrange(int(yLim[0])+self.border,int(yLim[1])-self.border,1)
x = random.randrange(int(xLim[0])+self.border,int(xLim[1])-self.border,1)
#print x,y,z
return x,y,z
else:
match = re.match("^([+-]?\d+),([+-]?\d+),([+-]?\d+)$", posSpec)
if match:
x = int(match.group(1))
y = int(match.group(2))
z = int(match.group(3))
return x,y,z
raise ValueError("Unrecognised position specification")
def addParticle(self, *particles):
"""Add particles to the system"""
for p in particles:
if p.radius > self.biggestRadius:
self.biggestRadius = p.radius
pLevel = p.ID.count(':')
if self.maxLevel < pLevel:
self.maxLevel = pLevel
# create display request for every particle added
disprequest = { "OGL_DISPLAYREQUEST" : True,
"objectid" : id(p),
"callback" : (self,"callback"),
"events" : (self, "events"),
"size": p.size
}
# send display request
self.send(disprequest, "display_signal")
self.physics.add( *particles )
def removeParticle(self, *ids):
"""\
Remove particle(s) specified by their ids.
Also breaks any bonds to/from that particle.
"""
for ident in ids:
self.physics.particleDict[ident].breakAllBonds()
try:
self.display.ogl_objects.remove(id(self.physics.particleDict[ident]))
self.display.ogl_names.pop(id(self.physics.particleDict[ident]))
self.display.ogl_displaylists.pop(id(self.physics.particleDict[ident]))
self.display.ogl_transforms.pop(id(self.physics.particleDict[ident]))
except KeyError: pass
# if self.selected == self.physics.particleDict[id]:
# self.selectParticle(None)
self.physics.removeByID(*ids)
for ident in ids:
try:
self.currentDisplayedPhysics.removeByID(ident)
except KeyError: pass
#print self.currentDisplayedPhysics.particles
#print self.physics.particles
def selectParticle(self, particle):
"""Select the specified particle."""
if self.multiSelectMode:
if particle not in self.selectedParticles:
particle.select()
self.selectedParticles.append(particle)
self.send( "('SELECT', 'NODE', '"+particle.name+"')", "outbox" )
else:
particle.deselect()
self.selectedParticles.remove(particle)
self.send( "('DESELECT', 'NODE', '"+particle.name+"')", "outbox" )
else:
self.deselectAll()
self.selectedParticles = []
particle.select()
self.selectedParticles.append(particle)
self.send( "('SELECT', 'NODE', '"+particle.name+"')", "outbox" )
def deselectAll(self):
"""Deselect all particles."""
for particle in self.selectedParticles:
particle.deselect()
self.selectedParticles = []
def makeBond(self, source, dest):
"""Make a bond from source to destination particle, specified by IDs"""
self.physics.particleDict[source].makeBond(self.physics.particleDict, dest)
self.physics.particleDict[source].needRedraw = True
def breakBond(self, source, dest):
"""Break a bond from source to destination particle, specified by IDs"""
self.physics.particleDict[source].breakBond(self.physics.particleDict, dest)
self.physics.particleDict[source].needRedraw = True
def updateParticleLabel(self, node_id, new_name):
"""\
updateParticleLabel(node_id, new_name) -> updates the given nodes name & visual label if it exists
node_id - an id for an already existing node
new_name - a string (may include spaces) defining the new node name
"""
for p in self.physics.particles:
if p.ID == node_id:
p.set_label(new_name)
p.needRedraw = True
return
def getParticleLabel(self, node_id):
"""\
getParticleLabel(node_id) -> particle's name
Returns the name/label of the specified particle.
"""
for p in self.physics.particles:
if p.ID == node_id:
return p.name
def getTopology(self):
"""getTopology() -> list of command tuples that would build the current topology"""
topology = []
# first, enumerate the particles
for particle in self.physics.particles:
topology.append( ( "ADD","NODE",
particle.ID,
particle.name,
"random",
particle.originaltype
) )
# now enumerate the linkages
for particle in self.physics.particles:
for dst in particle.getBondedTo():
topology.append( ( "ADD","LINK", particle.ID, dst.ID ) )
return topology
class TopologyViewer3D(Axon.AdaptiveCommsComponent.AdaptiveCommsComponent):
"""\
TopologyViewer3D(...) -> new TopologyViewer3D component.
A component that takes incoming topology (change) data and displays it live
using pygame OpenGL. A simple physics model assists with visual layout. Particle
types, appearance and physics interactions can be customised.
"""
Inboxes = {
"inbox": "Topology (change) data describing an Axon system",
"control": "Shutdown signalling",
"alphacontrol": "Alpha (transparency) of the image (value 0..255)",
"callback": "for the response after a displayrequest",
"events": "Place where we recieve events from the outside world",
"displaycontrol": "Replies from Pygame Display service",
}
Outboxes = {
"signal": "NOT USED",
"outbox": "Notification and topology output",
"display_signal": "Requests to Pygame Display service",
}
def __init__(self,
screensize=(800, 600),
fullscreen=False,
caption="Topology Viewer",
particleTypes=None,
initialTopology=None,
laws=None,
simCyclesPerRedraw=1,
border=0,
extraDrawing=None,
showGrid=True,
transparency=None,
position=None):
"""x.__init__(...) initializes x; see x.__class__.__doc__ for signature"""
super(TopologyViewer3D, self).__init__()
glutInit(sys.argv)
tracker = _cat.coordinatingassistanttracker.getcat()
self.display = OpenGLDisplay(width=screensize[0],
height=screensize[1],
fullscreen=fullscreen,
title=caption)
self.display.activate()
OpenGLDisplay.setDisplayService(self.display, tracker)
self.link((self, "display_signal"), (self.display, "notify"))
self.link((self.display, "signal"), (self, "control"))
self.border = border
if particleTypes == None:
self.particleTypes = {
"-": CuboidParticle3D,
"cuboid": CuboidParticle3D,
"sphere": SphereParticle3D,
"teapot": TeapotParticle3D
}
else:
self.particleTypes = particleTypes
self.hitParticles = []
self.multiSelectMode = False
self.selectedParticles = []
self.grabbed = False
self.rotationMode = False
if laws == None:
self.laws = Kamaelia.Support.Particles.SimpleLaws(bondLength=2)
else:
self.laws = laws
self.physics = ParticleSystemX(self.laws, [], 0)
self.biggestRadius = 0
# Do interaction
self.simCyclesPerRedraw = simCyclesPerRedraw
self.lastIdleTime = time.time()
# Tell if new node is added; if true, new id needs adding to OpenGLDisplay list
self.isNewNode = False
# For hierarchy structure
self.maxLevel = 0
self.currentLevel = 0
self.currentParentParticleID = ''
self.viewerOldPos = Vector()
self.levelViewerPos = {}
self.currentDisplayedPhysics = ParticleSystemX(self.laws, [], 0)
# For double click
self.lastClickPos = (0, 0)
self.lastClickTime = time.time()
self.dClickRes = 0.3
def main(self):
"""\
"""
# create display request for itself
self.size = Vector(0, 0, 0)
disprequest = {
"OGL_DISPLAYREQUEST": True,
"objectid": id(self),
"callback": (self, "callback"),
"events": (self, "events"),
"size": self.size
}
# send display request
self.send(disprequest, "display_signal")
# wait for response on displayrequest and get identifier of the viewer
while not self.dataReady("callback"):
yield 1
self.identifier = self.recv("callback")
self.addListenEvents([
pygame.MOUSEBUTTONDOWN, pygame.MOUSEBUTTONUP, pygame.MOUSEMOTION,
pygame.KEYDOWN, pygame.KEYUP
])
pygame.key.set_repeat(100, 100)
while True:
# process incoming messages
if self.dataReady("inbox"):
message = self.recv("inbox")
self.doCommand(message)
#print message
# wait for response on displayrequest and get identifier of the particle
if self.isNewNode:
while not self.dataReady("callback"):
yield 1
self.physics.particles[-1].identifier = self.recv(
"callback")
self.isNewNode = False
else:
self.lastIdleTime = 0
yield 1
if self.lastIdleTime + 1.0 < time.time():
#print [particle.pos for particle in self.physics.particles]
avoidedList = []
avoidedList.extend(self.hitParticles)
avoidedList.extend(self.selectedParticles)
#self.currentDisplayedPhysics.particleDict[ident].breakAllBonds()
self.currentDisplayedPhysics.particles = []
if self.physics.particles != []:
for particle in self.physics.particles:
if self.currentParentParticleID == '':
if ':' not in particle.ID:
self.currentDisplayedPhysics.add(particle)
particle.oldpos = particle.initialpos
elif particle.ID.find(
self.currentParentParticleID
) == 0 and particle.ID.count(':') == self.currentLevel:
self.currentDisplayedPhysics.add(particle)
particle.oldpos = particle.initialpos
self.currentDisplayedPhysics.run(self.simCyclesPerRedraw,
avoidedList=avoidedList)
#print [particle.pos for particle in self.physics.particles]
# Draw particles if new or updated
for particle in self.currentDisplayedPhysics.particles:
if particle.needRedraw:
self.drawParticles(particle)
#particle.needRedraw = False
self.handleEvents()
# Perform transformation
for particle in self.currentDisplayedPhysics.particles:
transform_update = particle.applyTransforms()
if transform_update is not None:
self.send(transform_update, "display_signal")
#print transform_update
#print [particle.pos for particle in self.physics.particles]
self.lastIdleTime = time.time()
else:
yield 1
if self.dataReady("control"):
msg = self.recv("control")
if isinstance(msg, Axon.Ipc.shutdownMicroprocess):
self.quit(msg)
def quit(self, msg=Axon.Ipc.shutdownMicroprocess()):
print 'Shut down...'
self.send(msg, "signal")
self.scheduler.stop()
def draw(self):
"""\
Invoke draw() and save its commands to a newly generated displaylist.
The displaylist name is then sent to the display service via a
"DISPLAYLIST_UPDATE" request.
"""
pass
def drawParticles(self, *particles):
for particle in particles:
# display list id
displaylist = glGenLists(1)
# draw object to its displaylist
glNewList(displaylist, GL_COMPILE)
particle.draw()
glEndList()
#print displaylist
dl_update = {
"DISPLAYLIST_UPDATE": True,
"objectid": id(particle),
"displaylist": displaylist
}
self.send(dl_update, "display_signal")
#print particle
def addListenEvents(self, events):
"""\
Sends listening request for pygame events to the display service.
The events parameter is expected to be a list of pygame event constants.
"""
for event in events:
self.send({
"ADDLISTENEVENT": event,
"objectid": id(self)
}, "display_signal")
def removeListenEvents(self, events):
"""\
Sends stop listening request for pygame events to the display service.
The events parameter is expected to be a list of pygame event constants.
"""
for event in events:
self.send({
"REMOVELISTENEVENT": event,
"objectid": id(self)
}, "display_signal")
def handleEvents(self):
""" Handle events. """
while self.dataReady("events"):
event = self.recv("events")
if event.type == pygame.MOUSEBUTTONDOWN or pygame.MOUSEMOTION and self.grabbed:
if not self.rotationMode:
for particle in self.hitParticles:
p1 = Vector(*particle.pos).copy()
p1.x += 10
p2 = Vector(*particle.pos).copy()
p2.y += 10
#z = Intersect.ray_Plane(Vector(0,0,0), event.direction, [Vector(*particle.pos)-self.display.viewerposition, p1, p2])
z = Intersect.ray_Plane(Vector(
0, 0, 0), event.direction, [
Vector(*particle.pos) -
Vector(0, 0, self.display.viewerposition.z),
p1 -
Vector(0, 0, self.display.viewerposition.z),
p2 -
Vector(0, 0, self.display.viewerposition.z)
])
newpoint = event.direction * z
if event.type == pygame.MOUSEBUTTONDOWN:
if event.button == 1:
# Handle double click
clickPos = event.pos
currentTime = time.time()
elapsedTime = currentTime - self.lastClickTime
if clickPos == self.lastClickPos and elapsedTime < self.dClickRes:
if self.currentLevel < self.maxLevel and len(
self.selectedParticles) == 1:
hasChildParticles = False
for particle in self.physics.particles:
if particle.ID.find(
self.selectedParticles[0].ID
) == 0 and particle.ID != self.selectedParticles[
0].ID:
hasChildParticles = True
break
if hasChildParticles:
self.currentParentParticleID = self.selectedParticles[
0].ID
self.gotoDisplayLevel(1)
else:
print 'Warning: The particle you double-clicked has no children!'
else:
if self.currentLevel == self.maxLevel:
print "Warning: max hierarchy level has reached!"
if len(self.selectedParticles) != 1:
print "Tips: To extend a node, please double-click the node you want to extend"
else:
if not self.rotationMode:
for particle in self.currentDisplayedPhysics.particles:
if particle.identifier in event.hitobjects:
#particle.oldpos = particle.oldpos - self.display.viewerposition
self.grabbed = True
#particle.scaling = Vector(0.9,0.9,0.9)
self.hitParticles.append(particle)
self.selectParticle(particle)
#print str(id(particle))+'hit'
#print self.hitParticles
# If click places other than particles in non multiSelectMode, deselect all
if not self.hitParticles and not self.multiSelectMode:
self.deselectAll()
self.lastClickPos = clickPos
self.lastClickTime = currentTime
if event.button == 3:
if self.currentLevel > 0:
items = self.currentParentParticleID.split(':')
items.pop()
self.currentParentParticleID = ':'.join(items)
self.gotoDisplayLevel(-1)
else:
print "Warning: The first hierarchy level has reached!"
if event.button == 4:
if self.selectedParticles:
particles = self.selectedParticles
else:
particles = self.currentDisplayedPhysics.particles
for particle in particles:
posVector = Vector(*particle.pos)
posVector.z -= 1
particle.pos = posVector.toTuple()
if event.button == 5:
if self.selectedParticles:
particles = self.selectedParticles
else:
particles = self.currentDisplayedPhysics.particles
for particle in particles:
posVector = Vector(*particle.pos)
posVector.z += 1
particle.pos = posVector.toTuple()
if event.type == pygame.MOUSEBUTTONUP:
if event.button == 1:
for particle in self.hitParticles:
self.grabbed = False
particle.oldpoint = None
#particle.scaling = Vector(1,1,1)
self.hitParticles.pop(
self.hitParticles.index(particle))
#print self.hitParticles
if event.type == pygame.MOUSEMOTION:
if not self.rotationMode and self.grabbed:
for particle in self.hitParticles:
try:
if particle.oldpoint is not None:
#print particle.pos
diff = newpoint - particle.oldpoint
amount = (diff.x, diff.y)
particle.pos = (Vector(*particle.pos) +
Vector(*amount)).toTuple()
except NameError:
pass
# Redraw the link so that the link can move with the particle
for p in particle.bondedFrom:
p.needRedraw = True
elif self.rotationMode:
if self.selectedParticles:
particles = self.selectedParticles
else:
particles = self.currentDisplayedPhysics.particles
centrePoint = Vector()
for particle in particles:
posVector = Vector(*particle.pos)
centrePoint += posVector
centrePoint /= len(particles)
dAnglex = float(event.rel[1]) * math.pi / 180
dAngley = -float(event.rel[0]) * math.pi / 180
for particle in particles:
posVector = Vector(*particle.pos)
relativePosVector = posVector - centrePoint
radius = (
relativePosVector.z * relativePosVector.z +
relativePosVector.y * relativePosVector.y)**0.5
newAnglex = (math.atan2(relativePosVector.z,
relativePosVector.y) + dAnglex)
particle.pos = (posVector.x,
radius * math.cos(newAnglex) +
centrePoint.y,
radius * math.sin(newAnglex) +
centrePoint.z)
posVector = Vector(*particle.pos)
relativePosVector = posVector - centrePoint
radius = (
relativePosVector.z * relativePosVector.z +
relativePosVector.x * relativePosVector.x)**0.5
newAngley = (math.atan2(relativePosVector.z,
relativePosVector.x) + dAngley)
particle.pos = (radius * math.cos(newAngley) +
centrePoint.x, posVector.y,
radius * math.sin(newAngley) +
centrePoint.z)
particle.drotation.y = float(event.rel[0])
particle.drotation.x = float(event.rel[1])
particle.drotation %= 360
try:
for particle in self.hitParticles:
particle.oldpoint = newpoint
except NameError:
pass
# Keyboard events handling
if event.type == pygame.KEYDOWN:
if event.key == pygame.K_ESCAPE:
self.quit()
elif event.key == pygame.K_BACKSPACE:
if self.currentLevel > 0:
items = self.currentParentParticleID.split(':')
items.pop()
self.currentParentParticleID = ':'.join(items)
self.gotoDisplayLevel(-1)
else:
print "Warning: The first hierarchy level has reached!"
elif event.key == pygame.K_RETURN:
if self.currentLevel < self.maxLevel and len(
self.selectedParticles) == 1:
hasChildParticles = False
for particle in self.physics.particles:
if particle.ID.find(
self.selectedParticles[0].ID
) == 0 and particle.ID != self.selectedParticles[
0].ID:
hasChildParticles = True
break
if hasChildParticles:
self.currentParentParticleID = self.selectedParticles[
0].ID
self.gotoDisplayLevel(1)
else:
print 'Warning: The particle you double-clicked has no children!'
else:
if self.currentLevel == self.maxLevel:
print "Warning: max hierarchy level has reached!"
if len(self.selectedParticles) != 1:
print "Tips: To extend a node, please click to select the node (only one) you want to extend first."
elif event.key == pygame.K_LSHIFT or event.key == pygame.K_RSHIFT:
self.multiSelectMode = True
elif event.key == pygame.K_LCTRL or event.key == pygame.K_RCTRL:
self.rotationMode = True
elif event.key == pygame.K_PAGEUP:
self.display.viewerposition.z -= 0.5
elif event.key == pygame.K_PAGEDOWN:
self.display.viewerposition.z += 0.5
elif event.key == pygame.K_w:
self.display.viewerposition.y += 0.5
elif event.key == pygame.K_s:
self.display.viewerposition.y -= 0.5
elif event.key == pygame.K_a:
self.display.viewerposition.x -= 0.5
elif event.key == pygame.K_d:
self.display.viewerposition.x += 0.5
elif event.key == pygame.K_UP:
if self.selectedParticles:
particles = self.selectedParticles
else:
particles = self.currentDisplayedPhysics.particles
centrePoint = Vector()
for particle in particles:
posVector = Vector(*particle.pos)
centrePoint += posVector
centrePoint /= len(particles)
dAngle = -20 * math.pi / 180
for particle in particles:
posVector = Vector(*particle.pos)
relativePosVector = posVector - centrePoint
radius = (
relativePosVector.z * relativePosVector.z +
relativePosVector.y * relativePosVector.y)**0.5
newAngle = (math.atan2(relativePosVector.z,
relativePosVector.y) + dAngle)
particle.pos = (posVector.x,
radius * math.cos(newAngle) +
centrePoint.y,
radius * math.sin(newAngle) +
centrePoint.z)
particle.drotation = Vector(dAngle * 180 / math.pi, 0,
0)
elif event.key == pygame.K_DOWN:
if self.selectedParticles:
particles = self.selectedParticles
else:
particles = self.currentDisplayedPhysics.particles
centrePoint = Vector()
for particle in particles:
posVector = Vector(*particle.pos)
centrePoint += posVector
centrePoint /= len(particles)
dAngle = 20 * math.pi / 180
for particle in particles:
posVector = Vector(*particle.pos)
relativePosVector = posVector - centrePoint
radius = (
relativePosVector.z * relativePosVector.z +
relativePosVector.y * relativePosVector.y)**0.5
newAngle = (math.atan2(relativePosVector.z,
relativePosVector.y) + dAngle)
particle.pos = (posVector.x,
radius * math.cos(newAngle) +
centrePoint.y,
radius * math.sin(newAngle) +
centrePoint.z)
particle.drotation = Vector(dAngle * 180 / math.pi, 0,
0)
elif event.key == pygame.K_LEFT:
if self.selectedParticles:
particles = self.selectedParticles
else:
particles = self.currentDisplayedPhysics.particles
centrePoint = Vector()
for particle in particles:
posVector = Vector(*particle.pos)
centrePoint += posVector
centrePoint /= len(particles)
dAngle = 20 * math.pi / 180
for particle in particles:
posVector = Vector(*particle.pos)
relativePosVector = posVector - centrePoint
radius = (
relativePosVector.z * relativePosVector.z +
relativePosVector.x * relativePosVector.x)**0.5
newAngle = (math.atan2(relativePosVector.z,
relativePosVector.x) + dAngle)
particle.pos = (radius * math.cos(newAngle) +
centrePoint.x, posVector.y,
radius * math.sin(newAngle) +
centrePoint.z)
particle.drotation = Vector(0, -dAngle * 180 / math.pi,
0)
elif event.key == pygame.K_RIGHT:
if self.selectedParticles:
particles = self.selectedParticles
else:
particles = self.currentDisplayedPhysics.particles
centrePoint = Vector()
for particle in particles:
posVector = Vector(*particle.pos)
centrePoint += posVector
centrePoint /= len(particles)
dAngle = -20 * math.pi / 180
for particle in particles:
posVector = Vector(*particle.pos)
relativePosVector = posVector - centrePoint
radius = (
relativePosVector.z * relativePosVector.z +
relativePosVector.x * relativePosVector.x)**0.5
newAngle = (math.atan2(relativePosVector.z,
relativePosVector.x) + dAngle)
particle.pos = (radius * math.cos(newAngle) +
centrePoint.x, posVector.y,
radius * math.sin(newAngle) +
centrePoint.z)
particle.drotation = Vector(0, -dAngle * 180 / math.pi,
0)
elif event.key == pygame.K_COMMA:
if self.selectedParticles:
particles = self.selectedParticles
else:
particles = self.currentDisplayedPhysics.particles
centrePoint = Vector()
for particle in particles:
posVector = Vector(*particle.pos)
centrePoint += posVector
centrePoint /= len(particles)
dAngle = 20 * math.pi / 180
for particle in particles:
posVector = Vector(*particle.pos)
relativePosVector = posVector - centrePoint
radius = (
relativePosVector.x * relativePosVector.x +
relativePosVector.y * relativePosVector.y)**0.5
newAngle = (math.atan2(relativePosVector.y,
relativePosVector.x) + dAngle)
particle.pos = (radius * math.cos(newAngle) +
centrePoint.x,
radius * math.sin(newAngle) +
centrePoint.y, posVector.z)
particle.drotation = Vector(0, 0,
dAngle * 180 / math.pi)
elif event.key == pygame.K_PERIOD:
if self.selectedParticles:
particles = self.selectedParticles
else:
particles = self.currentDisplayedPhysics.particles
centrePoint = Vector()
for particle in particles:
posVector = Vector(*particle.pos)
centrePoint += posVector
centrePoint /= len(particles)
dAngle = -20 * math.pi / 180
for particle in particles:
posVector = Vector(*particle.pos)
relativePosVector = posVector - centrePoint
radius = (
relativePosVector.x * relativePosVector.x +
relativePosVector.y * relativePosVector.y)**0.5
newAngle = (math.atan2(relativePosVector.y,
relativePosVector.x) + dAngle)
particle.pos = (radius * math.cos(newAngle) +
centrePoint.x,
radius * math.sin(newAngle) +
centrePoint.y, posVector.z)
particle.drotation = Vector(0, 0,
dAngle * 180 / math.pi)
#print self.display.viewerposition
# Scroll if self.display.viewerposition changes
if self.display.viewerposition.copy() != self.viewerOldPos:
self.scroll()
self.viewerOldPos = self.display.viewerposition.copy()
# for particle in self.currentDisplayedPhysics.particles:
# particle.oldpoint = None
if event.type == pygame.KEYUP:
if event.key == pygame.K_LSHIFT or event.key == pygame.K_RSHIFT:
self.multiSelectMode = False
elif event.key == pygame.K_LCTRL or event.key == pygame.K_RCTRL:
self.rotationMode = False
def scroll(self):
# Scroll the surface by resetting gluLookAt
glMatrixMode(GL_PROJECTION)
glLoadIdentity()
self.display.setProjection()
def gotoDisplayLevel(self, dlevel):
# Save current level's viewer position
self.levelViewerPos[
self.currentLevel] = self.display.viewerposition.copy()
# Display next level
self.currentLevel += dlevel
# Reset viewer position to previous
try:
self.display.viewerposition = self.levelViewerPos[
self.currentLevel].copy()
except KeyError:
self.display.viewerposition = self.levelViewerPos[
self.currentLevel] = Vector()
# Remove current displayed particles
for particle in self.currentDisplayedPhysics.particles:
self.display.ogl_displaylists.pop(id(particle))
self.display.ogl_transforms.pop(id(particle))
self.currentDisplayedPhysics.removeByID(
*self.currentDisplayedPhysics.particleDict.keys())
def doCommand(self, msg):
"""\
Proceses a topology command tuple:
[ "ADD", "NODE", <id>, <name>, <positionSpec>, <particle type> ]
[ "DEL", "NODE", <id> ]
[ "ADD", "LINK", <id from>, <id to> ]
[ "DEL", "LINK", <id from>, <id to> ]
[ "DEL", "ALL" ]
[ "GET", "ALL" ]
"""
#print 'doCommand'
if len(msg) >= 2:
cmd = msg[0].upper(), msg[1].upper()
if cmd == ("ADD", "NODE") and len(msg) == 6:
if msg[2] in [p.ID for p in self.physics.particles]:
print "Node exists, please use a new node ID!"
else:
if self.particleTypes.has_key(msg[5]):
#print 'ADD NODE begin'
ptype = self.particleTypes[msg[5]]
ident = msg[2]
name = msg[3]
posSpec = msg[4]
pos = self._generatePos(posSpec)
#print pos
particle = ptype(position=pos, ID=ident, name=name)
particle.originaltype = msg[5]
#self.particles.append(particle)
#print self.particles[0]
self.addParticle(particle)
self.isNewNode = True
#print id(particle)
#print 'ADD NODE end'
elif cmd == ("DEL", "NODE") and len(msg) == 3:
ident = msg[2]
self.removeParticle(ident)
elif cmd == ("ADD", "LINK") and len(msg) == 4:
src = msg[2]
dst = msg[3]
self.makeBond(src, dst)
elif cmd == ("DEL", "LINK") and len(msg) == 4:
src = msg[2]
dst = msg[3]
self.breakBond(src, dst)
elif cmd == ("DEL", "ALL") and len(msg) == 2:
self.removeParticle(*self.physics.particleDict.keys())
self.currentLevel = 0
self.currentParentParticleID = ''
elif cmd == ("GET", "ALL") and len(msg) == 2:
topology = [("DEL", "ALL")]
topology.extend(self.getTopology())
self.send(("TOPOLOGY", topology), "outbox")
elif cmd == ("UPDATE_NAME", "NODE") and len(msg) == 4:
node_id = msg[2]
new_name = msg[3]
self.updateParticleLabel(node_id, new_name)
self.send(("UPDATE_NAME", "NODE", node_id, new_name), "outbox")
elif cmd == ("GET_NAME", "NODE") and len(msg) == 3:
node_id = msg[2]
name = self.getParticleLabel(node_id)
self.send(("GET_NAME", "NODE", node_id, name), "outbox")
else:
print "Command Error: please check your command format!"
else:
print "Command Error: not enough parameters!"
def _generatePos(self, posSpec):
"""\
generateXY(posSpec) -> (x,y,z) or raises ValueError
posSpec == "randompos" or "auto" -> random (x,y,z) within the surface (specified border distance in from the edege)
posSpec == "(XXX,YYY,ZZZ)" -> specified x,y,z (positive or negative integers)
"""
posSpec = posSpec.lower()
if posSpec == "randompos" or posSpec == "auto":
# FIXME: need to consider camera/ viewer setting
zLim = self.display.nearPlaneDist, self.display.farPlaneDist
z = -1 * random.randrange(
int((zLim[1] - zLim[0]) / 20) + self.border,
int((zLim[1] - zLim[0]) / 8) - self.border, 1)
yLim = z * math.tan(
self.display.perspectiveAngle * math.pi /
360.0), -z * math.tan(
self.display.perspectiveAngle * math.pi / 360.0)
xLim = yLim[0] * self.display.aspectRatio, yLim[
1] * self.display.aspectRatio
y = random.randrange(
int(yLim[0]) + self.border,
int(yLim[1]) - self.border, 1)
x = random.randrange(
int(xLim[0]) + self.border,
int(xLim[1]) - self.border, 1)
#print x,y,z
return x, y, z
else:
match = re.match("^([+-]?\d+),([+-]?\d+),([+-]?\d+)$", posSpec)
if match:
x = int(match.group(1))
y = int(match.group(2))
z = int(match.group(3))
return x, y, z
raise ValueError("Unrecognised position specification")
def addParticle(self, *particles):
"""Add particles to the system"""
for p in particles:
if p.radius > self.biggestRadius:
self.biggestRadius = p.radius
pLevel = p.ID.count(':')
if self.maxLevel < pLevel:
self.maxLevel = pLevel
# create display request for every particle added
disprequest = {
"OGL_DISPLAYREQUEST": True,
"objectid": id(p),
"callback": (self, "callback"),
"events": (self, "events"),
"size": p.size
}
# send display request
self.send(disprequest, "display_signal")
self.physics.add(*particles)
def removeParticle(self, *ids):
"""\
Remove particle(s) specified by their ids.
Also breaks any bonds to/from that particle.
"""
for ident in ids:
self.physics.particleDict[ident].breakAllBonds()
try:
self.display.ogl_objects.remove(
id(self.physics.particleDict[ident]))
self.display.ogl_names.pop(id(
self.physics.particleDict[ident]))
self.display.ogl_displaylists.pop(
id(self.physics.particleDict[ident]))
self.display.ogl_transforms.pop(
id(self.physics.particleDict[ident]))
except KeyError:
pass
# if self.selected == self.physics.particleDict[id]:
# self.selectParticle(None)
self.physics.removeByID(*ids)
for ident in ids:
try:
self.currentDisplayedPhysics.removeByID(ident)
except KeyError:
pass
#print self.currentDisplayedPhysics.particles
#print self.physics.particles
def selectParticle(self, particle):
"""Select the specified particle."""
if self.multiSelectMode:
if particle not in self.selectedParticles:
particle.select()
self.selectedParticles.append(particle)
self.send("('SELECT', 'NODE', '" + particle.name + "')",
"outbox")
else:
particle.deselect()
self.selectedParticles.remove(particle)
self.send("('DESELECT', 'NODE', '" + particle.name + "')",
"outbox")
else:
self.deselectAll()
self.selectedParticles = []
particle.select()
self.selectedParticles.append(particle)
self.send("('SELECT', 'NODE', '" + particle.name + "')", "outbox")
def deselectAll(self):
"""Deselect all particles."""
for particle in self.selectedParticles:
particle.deselect()
self.selectedParticles = []
def makeBond(self, source, dest):
"""Make a bond from source to destination particle, specified by IDs"""
self.physics.particleDict[source].makeBond(self.physics.particleDict,
dest)
self.physics.particleDict[source].needRedraw = True
def breakBond(self, source, dest):
"""Break a bond from source to destination particle, specified by IDs"""
self.physics.particleDict[source].breakBond(self.physics.particleDict,
dest)
self.physics.particleDict[source].needRedraw = True
def updateParticleLabel(self, node_id, new_name):
"""\
updateParticleLabel(node_id, new_name) -> updates the given nodes name & visual label if it exists
node_id - an id for an already existing node
new_name - a string (may include spaces) defining the new node name
"""
for p in self.physics.particles:
if p.ID == node_id:
p.set_label(new_name)
p.needRedraw = True
return
def getParticleLabel(self, node_id):
"""\
getParticleLabel(node_id) -> particle's name
Returns the name/label of the specified particle.
"""
for p in self.physics.particles:
if p.ID == node_id:
return p.name
def getTopology(self):
"""getTopology() -> list of command tuples that would build the current topology"""
topology = []
# first, enumerate the particles
for particle in self.physics.particles:
topology.append(("ADD", "NODE", particle.ID, particle.name,
"random", particle.originaltype))
# now enumerate the linkages
for particle in self.physics.particles:
for dst in particle.getBondedTo():
topology.append(("ADD", "LINK", particle.ID, dst.ID))
return topology
def rotate(angle, vector):
cos = math.cos(angle)
sin = math.sin(angle)
return (cos * vector[0] + sin * vector[1],
-sin * vector[0] + cos * vector[1])
def dist(vector):
return (vector[0] * vector[0] + vector[1] * vector[1])**0.5
if __name__ == '__main__':
import Axon
from Kamaelia.UI.OpenGL.OpenGLDisplay import OpenGLDisplay
from Kamaelia.UI.OpenGL.SimpleRotationInteractor import SimpleRotationInteractor
display = OpenGLDisplay(background_colour=(0.75, 0.75, 1.0)).activate()
OpenGLDisplay.setDisplayService(display)
FOLD = Simple3dFold(position=(0, 0, -22),
size=(15, 15, 2),
rotation=(-30, 0, 0),
radius=1.0,
segments=15).activate()
# SimpleRotationInteractor(target=FOLD).activate()
print "Grab close to a corner and drag!"
Axon.Scheduler.scheduler.run.runThreads()
def left90(vector):
return (-vector[1],vector[0])
def right90(vector):
return (vector[1],-vector[0])
def rotate(angle, vector):
cos = math.cos(angle)
sin = math.sin(angle)
return ( cos*vector[0]+sin*vector[1],
-sin*vector[0]+cos*vector[1] )
def dist(vector):
return (vector[0]*vector[0] + vector[1]*vector[1])**0.5
if __name__ == '__main__':
import Axon
from Kamaelia.UI.OpenGL.OpenGLDisplay import OpenGLDisplay
from Kamaelia.UI.OpenGL.SimpleRotationInteractor import SimpleRotationInteractor
display = OpenGLDisplay(background_colour=(0.75, 0.75, 1.0)).activate()
OpenGLDisplay.setDisplayService(display)
FOLD = Simple3dFold(position=(0,0,-22), size=(15,15,2), rotation=(-30,0,0),radius=1.0,segments=15).activate()
# SimpleRotationInteractor(target=FOLD).activate()
print "Grab close to a corner and drag!"
Axon.Scheduler.scheduler.run.runThreads()
class TopologyViewer3D(Axon.Component.component):
"""\
TopologyViewer3D(...) -> new TopologyViewer3D component.
A component that takes incoming topology (change) data and displays it live
using pygame OpenGL. A simple physics model assists with visual layout. Particle
types, appearance and physics interactions can be customised.
Keyword arguments (in order):
- screensize -- (width,height) of the display area (default = (800,600))
- fullscreen -- True to start up in fullscreen mode (default = False)
- caption -- Caption for the pygame window (default = "3D Topology Viewer")
- particleTypes -- dict("type" -> klass) mapping types of particle to classes used to render them (default = {"-":CuboidParticle3D})
- initialTopology -- (nodes,bonds) where bonds=list((src,dst)) starting state for the topology (default=([],[]))
- laws -- Physics laws to apply between particles (default = SimpleLaws(bondlength=2))
- simCyclesPerRedraw -- number of physics sim cycles to run between each redraw (default=1)
- border -- Minimum distance from edge of display area that new particles appear (default=0)
"""
Inboxes = {
"inbox": "Topology (change) data describing an Axon system",
"control": "Shutdown signalling",
"callback": "for the response after a displayrequest",
"events": "Place where we recieve events from the outside world",
}
Outboxes = {
"signal": "Control signalling",
"outbox": "Notification and topology output",
"display_signal": "Requests to Pygame Display service",
}
def __init__(self,
screensize=(800, 600),
fullscreen=False,
caption="3D Topology Viewer",
particleTypes=None,
initialTopology=None,
laws=None,
simCyclesPerRedraw=1,
border=0):
"""x.__init__(...) initializes x; see x.__class__.__doc__ for signature"""
super(TopologyViewer3D, self).__init__()
glutInit(sys.argv)
tracker = _cat.coordinatingassistanttracker.getcat()
try:
self.display = tracker.retrieveService("ogl_display")[0]
except KeyError:
self.display = OpenGLDisplay(width=screensize[0],
height=screensize[1],
fullscreen=fullscreen,
title=caption)
self.display.activate()
OpenGLDisplay.setDisplayService(self.display, tracker)
self.display = OpenGLDisplay.getDisplayService()[0]
self.link((self, "display_signal"), (self.display, "notify"))
self.link((self.display, "signal"), (self, "control"))
self.border = border
if particleTypes == None:
self.particleTypes = {
"-": CuboidParticle3D,
"cuboid": CuboidParticle3D,
"sphere": SphereParticle3D,
"teapot": TeapotParticle3D
}
else:
self.particleTypes = particleTypes
if initialTopology == None:
initialTopology = ([], [])
self.initialNodes = list(initialTopology[0])
self.initialBonds = list(initialTopology[1])
self.hitParticles = []
self.multiSelectMode = False
self.selectedParticles = []
self.grabbed = False
self.rotationMode = False
if laws == None:
self.laws = Kamaelia.Support.Particles.SimpleLaws(bondLength=2)
else:
self.laws = laws
self.physics = ParticleSystem(self.laws, [], 0)
self.biggestRadius = 0
# Do interaction
self.simCyclesPerRedraw = simCyclesPerRedraw
self.lastIdleTime = time.time()
# Tell if new node is added; if true, new id needs adding to OpenGLDisplay list
self.isNewNode = False
# For hierarchy structure
self.maxLevel = 0
self.currentLevel = 0
self.previousParentParticleID = self.currentParentParticleID = ''
self.viewerOldPos = Vector()
self.levelViewerPos = {}
# The Physics particle system of current display level for display
self.currentDisplayedPhysics = ParticleSystem(self.laws, [], 0)
# For double click
self.lastClickPos = (0, 0)
self.lastClickTime = time.time()
self.dClickRes = 0.3
def initialiseComponent(self):
"""Initialises."""
self.addListenEvents([
pygame.MOUSEBUTTONDOWN, pygame.MOUSEBUTTONUP, pygame.MOUSEMOTION,
pygame.KEYDOWN, pygame.KEYUP
])
# For key holding handling
pygame.key.set_repeat(100, 100)
for node in self.initialNodes:
self.addParticle(*node)
for source, dest in self.initialBonds:
self.makeBond(source, dest)
def main(self):
"""Main loop."""
# Make display request for event listening purpose
self.size = Vector(0, 0, 0)
disprequest = {
"OGL_DISPLAYREQUEST": True,
"objectid": id(self),
"callback": (self, "callback"),
"events": (self, "events"),
"size": self.size
}
# send display request
self.send(disprequest, "display_signal")
# Wait for response on displayrequest and get identifier of the viewer
while not self.dataReady("callback"):
yield 1
self.identifier = self.recv("callback")
self.initialiseComponent()
while True:
# Process incoming messages
if self.dataReady("inbox"):
message = self.recv("inbox")
self.doCommand(message)
# Wait for response on displayrequest and get identifier of the particle
if self.isNewNode:
while not self.dataReady("callback"):
yield 1
self.physics.particles[-1].identifier = self.recv(
"callback")
self.isNewNode = False
else:
self.lastIdleTime = 0
yield 1
if self.lastIdleTime + 1.0 < time.time():
#Freeze selected particles so that they are not subject to the physics law
for particle in self.selectedParticles:
particle.freeze()
# Do interaction between particles
self.currentDisplayedPhysics.run(self.simCyclesPerRedraw)
# Unfreeze selected particles
for particle in self.selectedParticles:
particle.unFreeze()
# Draw particles if new or updated
for particle in self.currentDisplayedPhysics.particles:
if particle.needRedraw:
self.drawParticles(particle)
self.handleEvents()
# Perform transformation
for particle in self.currentDisplayedPhysics.particles:
transform_update = particle.applyTransforms()
if transform_update is not None:
self.send(transform_update, "display_signal")
self.lastIdleTime = time.time()
else:
yield 1
if self.dataReady("control"):
msg = self.recv("control")
if isinstance(msg, Axon.Ipc.shutdownMicroprocess):
self.quit(msg)
def quit(self, msg=Axon.Ipc.shutdownMicroprocess()):
"""Cause termination."""
print('Shut down...')
self.send(msg, "signal")
self.scheduler.stop()
def draw(self):
"""\
Dummy method reserved for future use
Invoke draw() and save its commands to a newly generated displaylist.
The displaylist name is then sent to the display service via a
"DISPLAYLIST_UPDATE" request.
"""
pass
def drawParticles(self, *particles):
"""\
Sends particles drawing opengl command to the display service.
"""
for particle in particles:
# Display list id
displaylist = glGenLists(1)
# Draw object to its displaylist
glNewList(displaylist, GL_COMPILE)
particle.draw()
glEndList()
# Send displaylist
dl_update = {
"DISPLAYLIST_UPDATE": True,
"objectid": id(particle),
"displaylist": displaylist
}
self.send(dl_update, "display_signal")
def addListenEvents(self, events):
"""\
Sends listening request for pygame events to the display service.
The events parameter is expected to be a list of pygame event constants.
"""
for event in events:
self.send({
"ADDLISTENEVENT": event,
"objectid": id(self)
}, "display_signal")
def removeListenEvents(self, events):
"""\
Sends stop listening request for pygame events to the display service.
The events parameter is expected to be a list of pygame event constants.
"""
for event in events:
self.send({
"REMOVELISTENEVENT": event,
"objectid": id(self)
}, "display_signal")
def handleEvents(self):
"""Handle events."""
while self.dataReady("events"):
event = self.recv("events")
if event.type == pygame.MOUSEBUTTONDOWN or event.type == pygame.MOUSEMOTION or event.type == pygame.MOUSEBUTTONUP:
self.handleMouseEvents(event)
elif event.type == pygame.KEYDOWN or event.type == pygame.KEYUP:
self.handleKeyEvents(event)
# Scroll if self.display.viewerposition changes
if self.display.viewerposition.copy() != self.viewerOldPos:
self.scroll()
self.viewerOldPos = self.display.viewerposition.copy()
def handleMouseEvents(self, event):
"""Handle mouse events."""
if event.type == pygame.MOUSEBUTTONDOWN or pygame.MOUSEMOTION and self.grabbed:
if not self.rotationMode:
for particle in self.hitParticles:
p1 = Vector(*particle.pos).copy()
p1.x += 10
p2 = Vector(*particle.pos).copy()
p2.y += 10
# Get the position of mouse
z = Intersect.ray_Plane(Vector(0, 0, 0), event.direction, [
Vector(*particle.pos) -
Vector(0, 0, self.display.viewerposition.z),
p1 - Vector(0, 0, self.display.viewerposition.z),
p2 - Vector(0, 0, self.display.viewerposition.z)
])
newpoint = event.direction * z
if event.type == pygame.MOUSEBUTTONDOWN:
if event.button == 1:
# Handle double click
clickPos = event.pos
currentTime = time.time()
elapsedTime = currentTime - self.lastClickTime
# If it's a double-click
if clickPos == self.lastClickPos and elapsedTime < self.dClickRes:
self.gotoDisplayLevel(1)
else: # Single click
if not self.rotationMode: # Select particle
for particle in self.currentDisplayedPhysics.particles:
if particle.identifier in event.hitobjects:
self.grabbed = True
self.hitParticles.append(particle)
self.selectParticle(particle)
# If click places other than particles in non multiSelectMode, deselect all
if not self.hitParticles and not self.multiSelectMode:
self.deselectAll()
self.lastClickPos = clickPos
self.lastClickTime = currentTime
elif event.button == 3: # Right-clicked
self.gotoDisplayLevel(-1)
elif event.button == 4: # Scrolled-up: zoom out
if self.selectedParticles:
particles = self.selectedParticles
else:
particles = self.currentDisplayedPhysics.particles
for particle in particles:
posVector = Vector(*particle.pos)
posVector.z -= 1
particle.pos = posVector.toTuple()
elif event.button == 5: # Scrolled-down: zoom in
if self.selectedParticles:
particles = self.selectedParticles
else:
particles = self.currentDisplayedPhysics.particles
for particle in particles:
posVector = Vector(*particle.pos)
posVector.z += 1
particle.pos = posVector.toTuple()
if event.type == pygame.MOUSEBUTTONUP:
if event.button == 1:
for particle in self.hitParticles:
self.grabbed = False
particle.oldpoint = None
self.hitParticles.pop(self.hitParticles.index(particle))
if event.type == pygame.MOUSEMOTION:
if not self.rotationMode and self.grabbed: # Drag particles
for particle in self.hitParticles:
try:
if particle.oldpoint is not None:
diff = newpoint - particle.oldpoint
amount = (diff.x, diff.y)
particle.pos = (Vector(*particle.pos) +
Vector(*amount)).toTuple()
except NameError:
pass
# Redraw the link so that the link can move with the particle
for p in particle.bondedFrom:
p.needRedraw = True
elif self.rotationMode: # Rotate particles
dAnglex = float(event.rel[1])
dAngley = -float(event.rel[0])
self.rotateParticles(self.selectedParticles,
(dAnglex, dAngley, 0))
try:
for particle in self.hitParticles:
particle.oldpoint = newpoint
except NameError:
pass
def handleKeyEvents(self, event):
"""Handle keyboard events."""
if event.type == pygame.KEYDOWN:
if event.key == pygame.K_ESCAPE:
self.quit()
elif event.key == pygame.K_BACKSPACE:
self.gotoDisplayLevel(-1)
elif event.key == pygame.K_RETURN:
self.gotoDisplayLevel(1)
elif event.key == pygame.K_LSHIFT or event.key == pygame.K_RSHIFT:
self.multiSelectMode = True
elif event.key == pygame.K_LCTRL or event.key == pygame.K_RCTRL:
self.rotationMode = True
# Change viewer position
elif event.key == pygame.K_PAGEUP:
self.display.viewerposition.z -= 0.5
elif event.key == pygame.K_PAGEDOWN:
self.display.viewerposition.z += 0.5
elif event.key == pygame.K_w:
self.display.viewerposition.y += 0.5
elif event.key == pygame.K_s:
self.display.viewerposition.y -= 0.5
elif event.key == pygame.K_a:
self.display.viewerposition.x -= 0.5
elif event.key == pygame.K_d:
self.display.viewerposition.x += 0.5
# Rotate particles
elif event.key == pygame.K_UP:
self.rotateParticles(self.selectedParticles, (-20, 0, 0))
elif event.key == pygame.K_DOWN:
self.rotateParticles(self.selectedParticles, (20, 0, 0))
elif event.key == pygame.K_LEFT:
self.rotateParticles(self.selectedParticles, (0, 20, 0))
elif event.key == pygame.K_RIGHT:
self.rotateParticles(self.selectedParticles, (0, -20, 0))
elif event.key == pygame.K_COMMA:
self.rotateParticles(self.selectedParticles, (0, 0, 20))
elif event.key == pygame.K_PERIOD:
self.rotateParticles(self.selectedParticles, (0, 0, -20))
# Key exit (release) handling
elif event.type == pygame.KEYUP:
if event.key == pygame.K_LSHIFT or event.key == pygame.K_RSHIFT:
# Return to normal mode from multiSelectMode
self.multiSelectMode = False
elif event.key == pygame.K_LCTRL or event.key == pygame.K_RCTRL:
# Return to normal mode from rotationMode
self.rotationMode = False
def scroll(self):
"""Scroll the surface by resetting gluLookAt."""
glMatrixMode(GL_PROJECTION)
glLoadIdentity()
self.display.setProjection()
def rotateParticles(self, particles, dAngle):
"""\
Rotate the particles around their common centre dAngle degree.
Particles is a list; dAngle is a triple tuple of degree.
If particles are given an empty list, rotate all particles instead.
"""
if particles == []:
particles = self.currentDisplayedPhysics.particles
centrePoint = Vector()
for particle in particles:
posVector = Vector(*particle.pos)
centrePoint += posVector
centrePoint /= len(particles)
if dAngle[0] != 0: # Rotate around x axis
for particle in particles:
posVector = Vector(*particle.pos)
relativePosVector = posVector - centrePoint
radius = (relativePosVector.z * relativePosVector.z +
relativePosVector.y * relativePosVector.y)**0.5
newAngle = (
math.atan2(relativePosVector.z, relativePosVector.y) +
dAngle[0] * math.pi / 180)
particle.pos = (posVector.x,
radius * math.cos(newAngle) + centrePoint.y,
radius * math.sin(newAngle) + centrePoint.z)
particle.drotation += Vector(dAngle[0], 0, 0)
if dAngle[1] != 0: # Rotate around y axis
for particle in particles:
posVector = Vector(*particle.pos)
relativePosVector = posVector - centrePoint
radius = (relativePosVector.z * relativePosVector.z +
relativePosVector.x * relativePosVector.x)**0.5
newAngle = (
math.atan2(relativePosVector.z, relativePosVector.x) +
dAngle[1] * math.pi / 180)
particle.pos = (radius * math.cos(newAngle) + centrePoint.x,
posVector.y,
radius * math.sin(newAngle) + centrePoint.z)
particle.drotation += Vector(0, -dAngle[1], 0)
if dAngle[2] != 0: # Rotate around z axis
for particle in particles:
posVector = Vector(*particle.pos)
relativePosVector = posVector - centrePoint
radius = (relativePosVector.x * relativePosVector.x +
relativePosVector.y * relativePosVector.y)**0.5
newAngle = (
math.atan2(relativePosVector.y, relativePosVector.x) +
dAngle[2] * math.pi / 180)
particle.pos = (radius * math.cos(newAngle) + centrePoint.x,
radius * math.sin(newAngle) + centrePoint.y,
posVector.z)
particle.drotation += Vector(0, 0, dAngle[2])
# An angle keeps the same with when it minus muptiple 360
particle.drotation %= 360
def gotoDisplayLevel(self, dlevel):
"""Switch to another display level."""
isValid = False
if self.currentLevel + dlevel > self.maxLevel:
print("Warning: max hierarchy level has reached!")
elif self.currentLevel + dlevel < 0:
print("Warning: The first hierarchy level has reached!")
else:
if dlevel < 0: # Go to the last dlevel level
self.previousParentParticleID = self.currentParentParticleID
items = self.currentParentParticleID.split(':')
for _ in xrange(-dlevel):
items.pop()
self.currentParentParticleID = ':'.join(items)
isValid = True
if dlevel == 1: # It only makes sense if dlevel == 1 when go to next dlevel level
if len(self.selectedParticles) == 1:
hasChildParticles = False
for particle in self.physics.particles:
if particle.ID.find(
self.selectedParticles[0].ID
) == 0 and particle.ID != self.selectedParticles[0].ID:
hasChildParticles = True
break
if hasChildParticles:
self.previousParentParticleID = self.currentParentParticleID
self.currentParentParticleID = self.selectedParticles[
0].ID
isValid = True
else:
print(
'Warning: The particle you double-clicked has no children!'
)
else:
print(
"Tips: To extend a node, please double-click the node you want to extend"
)
# Show the specified display level if valid
if isValid:
# Save current level's viewer position
self.levelViewerPos[
self.currentLevel, self.
previousParentParticleID] = self.display.viewerposition.copy()
# Deselect all
self.deselectAll()
# Display next level
self.currentLevel += dlevel
# Reset viewer position to previous
try:
self.display.viewerposition = self.levelViewerPos[
self.currentLevel, self.currentParentParticleID].copy()
except KeyError:
self.display.viewerposition = self.levelViewerPos[
self.currentLevel,
self.currentParentParticleID] = Vector()
# Remove current displayed particles
for particle in self.currentDisplayedPhysics.particles:
self.display.ogl_displaylists.pop(id(particle))
self.display.ogl_transforms.pop(id(particle))
self.currentDisplayedPhysics.removeByID(
*self.currentDisplayedPhysics.particleDict.keys())
# Add current level's particles to self.currentDisplayedPhysics.particles for display
self.currentDisplayedPhysics.particles = []
if self.physics.particles != []:
for particle in self.physics.particles:
if self.currentParentParticleID == '': # If no parent, it's the top level
if ':' not in particle.ID:
self.currentDisplayedPhysics.add(particle)
particle.oldpos = particle.initialpos
# The child particles of self.currentParentParticleID
elif particle.ID.find(
self.currentParentParticleID
) == 0 and particle.ID.count(':') == self.currentLevel:
self.currentDisplayedPhysics.add(particle)
particle.oldpos = particle.initialpos
def doCommand(self, msg):
"""\
Proceses a topology command tuple:
[ "ADD", "NODE", <id>, <name>, <positionSpec>, <particle type> ]
[ "DEL", "NODE", <id> ]
[ "ADD", "LINK", <id from>, <id to> ]
[ "DEL", "LINK", <id from>, <id to> ]
[ "DEL", "ALL" ]
[ "GET", "ALL" ]
"""
if len(msg) >= 2:
cmd = msg[0].upper(), msg[1].upper()
# Add default arguments when they are not provided
if cmd == ("ADD", "NODE"):
if len(msg) == 4:
msg += ['randompos', '-']
elif len(msg) == 5:
msg += ['-']
if cmd == ("ADD", "NODE") and len(msg) == 6:
if msg[2] in [p.ID for p in self.physics.particles]:
print("Node exists, please use a new node ID!")
else:
if (msg[5] in self.particleTypes):
ptype = self.particleTypes[msg[5]]
ident = msg[2]
name = msg[3]
posSpec = msg[4]
pos = self._generatePos(posSpec)
particle = ptype(position=pos, ID=ident, name=name)
particle.originaltype = msg[5]
self.addParticle(particle)
self.isNewNode = True
elif cmd == ("DEL", "NODE") and len(msg) == 3:
ident = msg[2]
self.removeParticle(ident)
elif cmd == ("ADD", "LINK") and len(msg) == 4:
src = msg[2]
dst = msg[3]
self.makeBond(src, dst)
elif cmd == ("DEL", "LINK") and len(msg) == 4:
src = msg[2]
dst = msg[3]
self.breakBond(src, dst)
elif cmd == ("DEL", "ALL") and len(msg) == 2:
self.removeParticle(*self.physics.particleDict.keys())
self.currentLevel = 0
self.currentParentParticleID = ''
elif cmd == ("GET", "ALL") and len(msg) == 2:
topology = [("DEL", "ALL")]
topology.extend(self.getTopology())
self.send(("TOPOLOGY", topology), "outbox")
elif cmd == ("UPDATE_NAME", "NODE") and len(msg) == 4:
node_id = msg[2]
new_name = msg[3]
self.updateParticleLabel(node_id, new_name)
self.send(("UPDATE_NAME", "NODE", node_id, new_name), "outbox")
elif cmd == ("GET_NAME", "NODE") and len(msg) == 3:
node_id = msg[2]
name = self.getParticleLabel(node_id)
self.send(("GET_NAME", "NODE", node_id, name), "outbox")
else:
print("Command Error: please check your command format!")
else:
print("Command Error: not enough parameters!")
def _generatePos(self, posSpec):
"""\
generateXY(posSpec) -> (x,y,z) or raises ValueError
posSpec == "randompos" or "auto" -> random (x,y,z) within the surface (specified border distance in from the edege)
posSpec == "(XXX,YYY,ZZZ)" -> specified x,y,z (positive or negative integers)
spaces are allowed within the tuple, but quotation is needed in this case.
E.g., " ( 0 , 0 , -10 ) "
"""
posSpec = posSpec.lower()
if posSpec == "randompos" or posSpec == "auto":
zLim = self.display.nearPlaneDist, self.display.farPlaneDist
z = -1 * random.randrange(
int((zLim[1] - zLim[0]) / 20) + self.border,
int((zLim[1] - zLim[0]) / 8) - self.border, 1)
yLim = z * math.tan(
self.display.perspectiveAngle * math.pi /
360.0), -z * math.tan(
self.display.perspectiveAngle * math.pi / 360.0)
xLim = yLim[0] * self.display.aspectRatio, yLim[
1] * self.display.aspectRatio
y = random.randrange(
int(yLim[0]) + self.border,
int(yLim[1]) - self.border, 1)
x = random.randrange(
int(xLim[0]) + self.border,
int(xLim[1]) - self.border, 1)
# Apply camera/ viewer transformation
x += self.display.viewerposition.x
y += self.display.viewerposition.y
z += self.display.viewerposition.z
return x, y, z
else: # given specified position
posSpec = posSpec.strip()
# Use triple tuple format for position
match = re.match(
"^\( *([+-]?\d+) *, *([+-]?\d+) *, *([+-]?\d+) *\)$", posSpec)
if match:
x = int(match.group(1))
y = int(match.group(2))
z = int(match.group(3))
return x, y, z
raise ValueError("Unrecognised position specification")
def addParticle(self, *particles):
"""Add particles to the system"""
for p in particles:
if p.radius > self.biggestRadius:
self.biggestRadius = p.radius
pLevel = p.ID.count(':')
if self.maxLevel < pLevel:
self.maxLevel = pLevel
# Make display request for every particle added
disprequest = {
"OGL_DISPLAYREQUEST": True,
"objectid": id(p),
"callback": (self, "callback"),
"events": (self, "events"),
"size": p.size
}
# Send display request
self.send(disprequest, "display_signal")
self.physics.add(*particles)
# Add new particles to self.currentDisplayedPhysics
for particle in particles:
if self.currentParentParticleID == '': # If no parent, it's the top level
if ':' not in particle.ID:
self.currentDisplayedPhysics.add(particle)
particle.oldpos = particle.initialpos
# The child particles of self.currentParentParticleID
elif particle.ID.find(
self.currentParentParticleID) == 0 and particle.ID.count(
':') == self.currentLevel:
self.currentDisplayedPhysics.add(particle)
particle.oldpos = particle.initialpos
def removeParticle(self, *ids):
"""\
Remove particle(s) specified by their ids.
Also breaks any bonds to/from that particle.
"""
for ident in ids:
self.physics.particleDict[ident].breakAllBonds()
try:
self.display.ogl_objects.remove(
id(self.physics.particleDict[ident]))
self.display.ogl_names.pop(id(
self.physics.particleDict[ident]))
self.display.ogl_displaylists.pop(
id(self.physics.particleDict[ident]))
self.display.ogl_transforms.pop(
id(self.physics.particleDict[ident]))
except KeyError:
pass
self.physics.removeByID(*ids)
for ident in ids:
try:
self.currentDisplayedPhysics.removeByID(ident)
except KeyError:
pass
def selectParticle(self, particle):
"""Select the specified particle."""
if self.multiSelectMode:
if particle not in self.selectedParticles:
particle.select()
self.selectedParticles.append(particle)
self.send("('SELECT', 'NODE', '" + particle.name + "')",
"outbox")
else:
particle.deselect()
self.selectedParticles.remove(particle)
self.send("('DESELECT', 'NODE', '" + particle.name + "')",
"outbox")
else:
self.deselectAll()
self.selectedParticles = []
particle.select()
self.selectedParticles.append(particle)
self.send("('SELECT', 'NODE', '" + particle.name + "')", "outbox")
def deselectAll(self):
"""Deselect all particles."""
for particle in self.selectedParticles:
particle.deselect()
self.selectedParticles = []
def makeBond(self, source, dest):
"""Make a bond from source to destination particle, specified by IDs"""
self.physics.particleDict[source].makeBond(self.physics.particleDict,
dest)
self.physics.particleDict[source].needRedraw = True
def breakBond(self, source, dest):
"""Break a bond from source to destination particle, specified by IDs"""
self.physics.particleDict[source].breakBond(self.physics.particleDict,
dest)
self.physics.particleDict[source].needRedraw = True
def updateParticleLabel(self, node_id, new_name):
"""\
updateParticleLabel(node_id, new_name) -> updates the given nodes name & visual label if it exists
node_id - an id for an already existing node
new_name - a string (may include spaces) defining the new node name
"""
for p in self.physics.particles:
if p.ID == node_id:
p.set_label(new_name)
p.needRedraw = True
return
def getParticleLabel(self, node_id):
"""\
getParticleLabel(node_id) -> particle's name
Returns the name/label of the specified particle.
"""
for p in self.physics.particles:
if p.ID == node_id:
return p.name
def getTopology(self):
"""getTopology() -> list of command tuples that would build the current topology"""
topology = []
# first, enumerate the particles
for particle in self.physics.particles:
topology.append(("ADD", "NODE", particle.ID, particle.name,
"random", particle.originaltype))
# now enumerate the linkages
for particle in self.physics.particles:
for dst in particle.getBondedTo():
topology.append(("ADD", "LINK", particle.ID, dst.ID))
return topology
class TopologyViewer3D(Axon.Component.component):
"""\
TopologyViewer3D(...) -> new TopologyViewer3D component.
A component that takes incoming topology (change) data and displays it live
using pygame OpenGL. A simple physics model assists with visual layout. Particle
types, appearance and physics interactions can be customised.
Keyword arguments (in order):
- screensize -- (width,height) of the display area (default = (800,600))
- fullscreen -- True to start up in fullscreen mode (default = False)
- caption -- Caption for the pygame window (default = "3D Topology Viewer")
- particleTypes -- dict("type" -> klass) mapping types of particle to classes used to render them (default = {"-":CuboidParticle3D})
- initialTopology -- (nodes,bonds) where bonds=list((src,dst)) starting state for the topology (default=([],[]))
- laws -- Physics laws to apply between particles (default = SimpleLaws(bondlength=2))
- simCyclesPerRedraw -- number of physics sim cycles to run between each redraw (default=1)
- border -- Minimum distance from edge of display area that new particles appear (default=0)
"""
Inboxes = { "inbox" : "Topology (change) data describing an Axon system",
"control" : "Shutdown signalling",
"callback" : "for the response after a displayrequest",
"events" : "Place where we recieve events from the outside world",
}
Outboxes = { "signal" : "Control signalling",
"outbox" : "Notification and topology output",
"display_signal" : "Requests to Pygame Display service",
}
def __init__(self, screensize = (800,600),
fullscreen = False,
caption = "3D Topology Viewer",
particleTypes = None,
initialTopology = None,
laws = None,
simCyclesPerRedraw = 1,
border = 0):
"""x.__init__(...) initializes x; see x.__class__.__doc__ for signature"""
super(TopologyViewer3D, self).__init__()
glutInit(sys.argv)
tracker = _cat.coordinatingassistanttracker.getcat()
try:
self.display = tracker.retrieveService("ogl_display")[0]
except KeyError:
self.display = OpenGLDisplay(width=screensize[0], height=screensize[1],fullscreen=fullscreen,
title=caption)
self.display.activate()
OpenGLDisplay.setDisplayService(self.display, tracker)
self.display = OpenGLDisplay.getDisplayService()[0]
self.link((self,"display_signal"), (self.display,"notify"))
self.link((self.display,"signal"), (self,"control"))
self.border = border
if particleTypes == None:
self.particleTypes = {"-":CuboidParticle3D, "cuboid":CuboidParticle3D, "sphere":SphereParticle3D,
"teapot":TeapotParticle3D}
else:
self.particleTypes = particleTypes
if initialTopology == None:
initialTopology = ([],[])
self.initialNodes = list(initialTopology[0])
self.initialBonds = list(initialTopology[1])
self.hitParticles = []
self.multiSelectMode = False
self.selectedParticles = []
self.grabbed = False
self.rotationMode = False
if laws==None:
self.laws = Kamaelia.Support.Particles.SimpleLaws(bondLength=2)
else:
self.laws = laws
self.physics = ParticleSystem(self.laws, [], 0)
self.biggestRadius = 0
# Do interaction
self.simCyclesPerRedraw = simCyclesPerRedraw
self.lastIdleTime = time.time()
# Tell if new node is added; if true, new id needs adding to OpenGLDisplay list
self.isNewNode = False
# For hierarchy structure
self.maxLevel = 0
self.currentLevel = 0
self.previousParentParticleID = self.currentParentParticleID = ''
self.viewerOldPos = Vector()
self.levelViewerPos = {}
# The Physics particle system of current display level for display
self.currentDisplayedPhysics = ParticleSystem(self.laws, [], 0)
# For double click
self.lastClickPos = (0,0)
self.lastClickTime = time.time()
self.dClickRes = 0.3
def initialiseComponent(self):
"""Initialises."""
self.addListenEvents( [pygame.MOUSEBUTTONDOWN, pygame.MOUSEBUTTONUP, pygame.MOUSEMOTION, pygame.KEYDOWN, pygame.KEYUP ])
# For key holding handling
pygame.key.set_repeat(100,100)
for node in self.initialNodes:
self.addParticle(*node)
for source,dest in self.initialBonds:
self.makeBond(source, dest)
def main(self):
"""Main loop."""
# Make display request for event listening purpose
self.size = Vector(0,0,0)
disprequest = { "OGL_DISPLAYREQUEST" : True,
"objectid" : id(self),
"callback" : (self,"callback"),
"events" : (self, "events"),
"size": self.size
}
# send display request
self.send(disprequest, "display_signal")
# Wait for response on displayrequest and get identifier of the viewer
while not self.dataReady("callback"): yield 1
self.identifier = self.recv("callback")
self.initialiseComponent()
while True:
# Process incoming messages
if self.dataReady("inbox"):
message = self.recv("inbox")
self.doCommand(message)
# Wait for response on displayrequest and get identifier of the particle
if self.isNewNode:
while not self.dataReady("callback"): yield 1
self.physics.particles[-1].identifier = self.recv("callback")
self.isNewNode = False
else:
self.lastIdleTime = 0
yield 1
if self.lastIdleTime + 1.0 < time.time():
#Freeze selected particles so that they are not subject to the physics law
for particle in self.selectedParticles:
particle.freeze()
# Do interaction between particles
self.currentDisplayedPhysics.run(self.simCyclesPerRedraw)
# Unfreeze selected particles
for particle in self.selectedParticles:
particle.unFreeze()
# Draw particles if new or updated
for particle in self.currentDisplayedPhysics.particles:
if particle.needRedraw:
self.drawParticles(particle)
self.handleEvents()
# Perform transformation
for particle in self.currentDisplayedPhysics.particles:
transform_update = particle.applyTransforms()
if transform_update is not None:
self.send(transform_update, "display_signal")
self.lastIdleTime = time.time()
else:
yield 1
if self.dataReady("control"):
msg = self.recv("control")
if isinstance(msg, Axon.Ipc.shutdownMicroprocess):
self.quit(msg)
def quit(self,msg=Axon.Ipc.shutdownMicroprocess()):
"""Cause termination."""
print ('Shut down...')
self.send(msg, "signal")
self.scheduler.stop()
def draw(self):
"""\
Dummy method reserved for future use
Invoke draw() and save its commands to a newly generated displaylist.
The displaylist name is then sent to the display service via a
"DISPLAYLIST_UPDATE" request.
"""
pass
def drawParticles(self, *particles):
"""\
Sends particles drawing opengl command to the display service.
"""
for particle in particles:
# Display list id
displaylist = glGenLists(1)
# Draw object to its displaylist
glNewList(displaylist, GL_COMPILE)
particle.draw()
glEndList()
# Send displaylist
dl_update = { "DISPLAYLIST_UPDATE": True,
"objectid": id(particle),
"displaylist": displaylist
}
self.send(dl_update, "display_signal")
def addListenEvents(self, events):
"""\
Sends listening request for pygame events to the display service.
The events parameter is expected to be a list of pygame event constants.
"""
for event in events:
self.send({"ADDLISTENEVENT":event, "objectid":id(self)}, "display_signal")
def removeListenEvents(self, events):
"""\
Sends stop listening request for pygame events to the display service.
The events parameter is expected to be a list of pygame event constants.
"""
for event in events:
self.send({"REMOVELISTENEVENT":event, "objectid":id(self)}, "display_signal")
def handleEvents(self):
"""Handle events."""
while self.dataReady("events"):
event = self.recv("events")
if event.type == pygame.MOUSEBUTTONDOWN or event.type == pygame.MOUSEMOTION or event.type == pygame.MOUSEBUTTONUP:
self.handleMouseEvents(event)
elif event.type == pygame.KEYDOWN or event.type == pygame.KEYUP:
self.handleKeyEvents(event)
# Scroll if self.display.viewerposition changes
if self.display.viewerposition.copy() != self.viewerOldPos:
self.scroll()
self.viewerOldPos = self.display.viewerposition.copy()
def handleMouseEvents(self, event):
"""Handle mouse events."""
if event.type == pygame.MOUSEBUTTONDOWN or pygame.MOUSEMOTION and self.grabbed:
if not self.rotationMode:
for particle in self.hitParticles:
p1 = Vector(*particle.pos).copy()
p1.x += 10
p2 = Vector(*particle.pos).copy()
p2.y += 10
# Get the position of mouse
z = Intersect.ray_Plane(Vector(0,0,0), event.direction, [Vector(*particle.pos)-Vector(0,0,self.display.viewerposition.z), p1-Vector(0,0,self.display.viewerposition.z), p2-Vector(0,0,self.display.viewerposition.z)])
newpoint = event.direction * z
if event.type == pygame.MOUSEBUTTONDOWN:
if event.button == 1:
# Handle double click
clickPos = event.pos
currentTime = time.time()
elapsedTime = currentTime - self.lastClickTime
# If it's a double-click
if clickPos == self.lastClickPos and elapsedTime<self.dClickRes:
self.gotoDisplayLevel(1)
else: # Single click
if not self.rotationMode: # Select particle
for particle in self.currentDisplayedPhysics.particles:
if particle.identifier in event.hitobjects:
self.grabbed = True
self.hitParticles.append(particle)
self.selectParticle(particle)
# If click places other than particles in non multiSelectMode, deselect all
if not self.hitParticles and not self.multiSelectMode:
self.deselectAll()
self.lastClickPos = clickPos
self.lastClickTime = currentTime
elif event.button == 3: # Right-clicked
self.gotoDisplayLevel(-1)
elif event.button == 4: # Scrolled-up: zoom out
if self.selectedParticles:
particles = self.selectedParticles
else:
particles = self.currentDisplayedPhysics.particles
for particle in particles:
posVector = Vector(*particle.pos)
posVector.z -= 1
particle.pos = posVector.toTuple()
elif event.button == 5: # Scrolled-down: zoom in
if self.selectedParticles:
particles = self.selectedParticles
else:
particles = self.currentDisplayedPhysics.particles
for particle in particles:
posVector = Vector(*particle.pos)
posVector.z += 1
particle.pos = posVector.toTuple()
if event.type == pygame.MOUSEBUTTONUP:
if event.button == 1:
for particle in self.hitParticles:
self.grabbed = False
particle.oldpoint = None
self.hitParticles.pop(self.hitParticles.index(particle))
if event.type == pygame.MOUSEMOTION:
if not self.rotationMode and self.grabbed: # Drag particles
for particle in self.hitParticles:
try:
if particle.oldpoint is not None:
diff = newpoint-particle.oldpoint
amount = (diff.x, diff.y)
particle.pos = (Vector(*particle.pos)+Vector(*amount)).toTuple()
except NameError: pass
# Redraw the link so that the link can move with the particle
for p in particle.bondedFrom:
p.needRedraw = True
elif self.rotationMode: # Rotate particles
dAnglex = float(event.rel[1])
dAngley = -float(event.rel[0])
self.rotateParticles(self.selectedParticles, (dAnglex,dAngley,0))
try:
for particle in self.hitParticles:
particle.oldpoint = newpoint
except NameError: pass
def handleKeyEvents(self, event):
"""Handle keyboard events."""
if event.type == pygame.KEYDOWN:
if event.key == pygame.K_ESCAPE:
self.quit()
elif event.key == pygame.K_BACKSPACE:
self.gotoDisplayLevel(-1)
elif event.key == pygame.K_RETURN:
self.gotoDisplayLevel(1)
elif event.key == pygame.K_LSHIFT or event.key == pygame.K_RSHIFT:
self.multiSelectMode = True
elif event.key == pygame.K_LCTRL or event.key == pygame.K_RCTRL:
self.rotationMode = True
# Change viewer position
elif event.key == pygame.K_PAGEUP:
self.display.viewerposition.z -= 0.5
elif event.key == pygame.K_PAGEDOWN:
self.display.viewerposition.z += 0.5
elif event.key == pygame.K_w:
self.display.viewerposition.y += 0.5
elif event.key == pygame.K_s:
self.display.viewerposition.y -= 0.5
elif event.key == pygame.K_a:
self.display.viewerposition.x -= 0.5
elif event.key == pygame.K_d:
self.display.viewerposition.x += 0.5
# Rotate particles
elif event.key == pygame.K_UP:
self.rotateParticles(self.selectedParticles, (-20,0,0))
elif event.key == pygame.K_DOWN:
self.rotateParticles(self.selectedParticles, (20,0,0))
elif event.key == pygame.K_LEFT:
self.rotateParticles(self.selectedParticles, (0,20,0))
elif event.key == pygame.K_RIGHT:
self.rotateParticles(self.selectedParticles, (0,-20,0))
elif event.key == pygame.K_COMMA:
self.rotateParticles(self.selectedParticles, (0,0,20))
elif event.key == pygame.K_PERIOD:
self.rotateParticles(self.selectedParticles, (0,0,-20))
# Key exit (release) handling
elif event.type == pygame.KEYUP:
if event.key == pygame.K_LSHIFT or event.key == pygame.K_RSHIFT:
# Return to normal mode from multiSelectMode
self.multiSelectMode = False
elif event.key == pygame.K_LCTRL or event.key == pygame.K_RCTRL:
# Return to normal mode from rotationMode
self.rotationMode = False
def scroll( self ):
"""Scroll the surface by resetting gluLookAt."""
glMatrixMode(GL_PROJECTION)
glLoadIdentity()
self.display.setProjection()
def rotateParticles( self, particles, dAngle ):
"""\
Rotate the particles around their common centre dAngle degree.
Particles is a list; dAngle is a triple tuple of degree.
If particles are given an empty list, rotate all particles instead.
"""
if particles == []:
particles = self.currentDisplayedPhysics.particles
centrePoint = Vector()
for particle in particles:
posVector = Vector(*particle.pos)
centrePoint += posVector
centrePoint /= len(particles)
if dAngle[0] != 0: # Rotate around x axis
for particle in particles:
posVector = Vector(*particle.pos)
relativePosVector = posVector - centrePoint
radius = (relativePosVector.z*relativePosVector.z+relativePosVector.y*relativePosVector.y)**0.5
newAngle = (math.atan2(relativePosVector.z,relativePosVector.y)+dAngle[0]*math.pi/180)
particle.pos = (posVector.x, radius*math.cos(newAngle)+centrePoint.y, radius*math.sin(newAngle)+centrePoint.z)
particle.drotation += Vector(dAngle[0],0,0)
if dAngle[1] != 0: # Rotate around y axis
for particle in particles:
posVector = Vector(*particle.pos)
relativePosVector = posVector - centrePoint
radius = (relativePosVector.z*relativePosVector.z+relativePosVector.x*relativePosVector.x)**0.5
newAngle = (math.atan2(relativePosVector.z,relativePosVector.x)+dAngle[1]*math.pi/180)
particle.pos = (radius*math.cos(newAngle)+centrePoint.x, posVector.y, radius*math.sin(newAngle)+centrePoint.z)
particle.drotation += Vector(0,-dAngle[1],0)
if dAngle[2] != 0: # Rotate around z axis
for particle in particles:
posVector = Vector(*particle.pos)
relativePosVector = posVector - centrePoint
radius = (relativePosVector.x*relativePosVector.x+relativePosVector.y*relativePosVector.y)**0.5
newAngle = (math.atan2(relativePosVector.y,relativePosVector.x)+dAngle[2]*math.pi/180)
particle.pos = (radius*math.cos(newAngle)+centrePoint.x, radius*math.sin(newAngle)+centrePoint.y, posVector.z)
particle.drotation += Vector(0,0,dAngle[2])
# An angle keeps the same with when it minus muptiple 360
particle.drotation %= 360
def gotoDisplayLevel( self, dlevel):
"""Switch to another display level."""
isValid = False
if self.currentLevel + dlevel > self.maxLevel:
print ("Warning: max hierarchy level has reached!")
elif self.currentLevel + dlevel < 0:
print ("Warning: The first hierarchy level has reached!")
else:
if dlevel < 0: # Go to the last dlevel level
self.previousParentParticleID = self.currentParentParticleID
items = self.currentParentParticleID.split(':')
for _ in xrange(-dlevel):
items.pop()
self.currentParentParticleID = ':'.join(items)
isValid = True
if dlevel == 1: # It only makes sense if dlevel == 1 when go to next dlevel level
if len(self.selectedParticles) == 1:
hasChildParticles = False
for particle in self.physics.particles:
if particle.ID.find(self.selectedParticles[0].ID) == 0 and particle.ID != self.selectedParticles[0].ID:
hasChildParticles = True
break
if hasChildParticles:
self.previousParentParticleID = self.currentParentParticleID
self.currentParentParticleID = self.selectedParticles[0].ID
isValid = True
else:
print ('Warning: The particle you double-clicked has no children!')
else:
print ("Tips: To extend a node, please double-click the node you want to extend")
# Show the specified display level if valid
if isValid:
# Save current level's viewer position
self.levelViewerPos[self.currentLevel, self.previousParentParticleID] = self.display.viewerposition.copy()
# Deselect all
self.deselectAll()
# Display next level
self.currentLevel += dlevel
# Reset viewer position to previous
try:
self.display.viewerposition = self.levelViewerPos[self.currentLevel, self.currentParentParticleID].copy()
except KeyError:
self.display.viewerposition = self.levelViewerPos[self.currentLevel, self.currentParentParticleID] = Vector()
# Remove current displayed particles
for particle in self.currentDisplayedPhysics.particles:
self.display.ogl_displaylists.pop(id(particle))
self.display.ogl_transforms.pop(id(particle))
self.currentDisplayedPhysics.removeByID(*self.currentDisplayedPhysics.particleDict.keys())
# Add current level's particles to self.currentDisplayedPhysics.particles for display
self.currentDisplayedPhysics.particles = []
if self.physics.particles != []:
for particle in self.physics.particles:
if self.currentParentParticleID == '': # If no parent, it's the top level
if ':' not in particle.ID:
self.currentDisplayedPhysics.add( particle )
particle.oldpos = particle.initialpos
# The child particles of self.currentParentParticleID
elif particle.ID.find(self.currentParentParticleID) == 0 and particle.ID.count(':') == self.currentLevel:
self.currentDisplayedPhysics.add( particle )
particle.oldpos = particle.initialpos
def doCommand(self, msg):
"""\
Proceses a topology command tuple:
[ "ADD", "NODE", <id>, <name>, <positionSpec>, <particle type> ]
[ "DEL", "NODE", <id> ]
[ "ADD", "LINK", <id from>, <id to> ]
[ "DEL", "LINK", <id from>, <id to> ]
[ "DEL", "ALL" ]
[ "GET", "ALL" ]
"""
if len(msg) >= 2:
cmd = msg[0].upper(), msg[1].upper()
# Add default arguments when they are not provided
if cmd == ("ADD", "NODE"):
if len(msg) == 4:
msg += ['randompos', '-']
elif len(msg) == 5:
msg += ['-']
if cmd == ("ADD", "NODE") and len(msg) == 6:
if msg[2] in [p.ID for p in self.physics.particles]:
print ("Node exists, please use a new node ID!")
else:
if ( msg[5] in self.particleTypes ):
ptype = self.particleTypes[msg[5]]
ident = msg[2]
name = msg[3]
posSpec = msg[4]
pos = self._generatePos(posSpec)
particle = ptype(position = pos, ID=ident, name=name)
particle.originaltype = msg[5]
self.addParticle(particle)
self.isNewNode = True
elif cmd == ("DEL", "NODE") and len(msg) == 3:
ident = msg[2]
self.removeParticle(ident)
elif cmd == ("ADD", "LINK") and len(msg) == 4:
src = msg[2]
dst = msg[3]
self.makeBond(src, dst)
elif cmd == ("DEL", "LINK") and len(msg) == 4:
src = msg[2]
dst = msg[3]
self.breakBond(src, dst)
elif cmd == ("DEL", "ALL") and len(msg) == 2:
self.removeParticle(*self.physics.particleDict.keys())
self.currentLevel = 0
self.currentParentParticleID = ''
elif cmd == ("GET", "ALL") and len(msg) == 2:
topology = [("DEL","ALL")]
topology.extend(self.getTopology())
self.send( ("TOPOLOGY", topology), "outbox" )
elif cmd == ("UPDATE_NAME", "NODE") and len(msg) == 4:
node_id = msg[2]
new_name = msg[3]
self.updateParticleLabel(node_id, new_name)
self.send( ("UPDATE_NAME", "NODE", node_id, new_name), "outbox" )
elif cmd == ("GET_NAME", "NODE") and len(msg) == 3:
node_id = msg[2]
name = self.getParticleLabel(node_id)
self.send( ("GET_NAME", "NODE", node_id, name), "outbox" )
else:
print ("Command Error: please check your command format!")
else:
print ("Command Error: not enough parameters!")
def _generatePos(self, posSpec):
"""\
generateXY(posSpec) -> (x,y,z) or raises ValueError
posSpec == "randompos" or "auto" -> random (x,y,z) within the surface (specified border distance in from the edege)
posSpec == "(XXX,YYY,ZZZ)" -> specified x,y,z (positive or negative integers)
spaces are allowed within the tuple, but quotation is needed in this case.
E.g., " ( 0 , 0 , -10 ) "
"""
posSpec = posSpec.lower()
if posSpec == "randompos" or posSpec == "auto" :
zLim = self.display.nearPlaneDist, self.display.farPlaneDist
z = -1*random.randrange(int((zLim[1]-zLim[0])/20)+self.border,int((zLim[1]-zLim[0])/8)-self.border,1)
yLim = z*math.tan(self.display.perspectiveAngle*math.pi/360.0), -z*math.tan(self.display.perspectiveAngle*math.pi/360.0)
xLim = yLim[0]*self.display.aspectRatio, yLim[1]*self.display.aspectRatio
y = random.randrange(int(yLim[0])+self.border,int(yLim[1])-self.border,1)
x = random.randrange(int(xLim[0])+self.border,int(xLim[1])-self.border,1)
# Apply camera/ viewer transformation
x += self.display.viewerposition.x
y += self.display.viewerposition.y
z += self.display.viewerposition.z
return x,y,z
else: # given specified position
posSpec = posSpec.strip()
# Use triple tuple format for position
match = re.match("^\( *([+-]?\d+) *, *([+-]?\d+) *, *([+-]?\d+) *\)$", posSpec)
if match:
x = int(match.group(1))
y = int(match.group(2))
z = int(match.group(3))
return x,y,z
raise ValueError("Unrecognised position specification")
def addParticle(self, *particles):
"""Add particles to the system"""
for p in particles:
if p.radius > self.biggestRadius:
self.biggestRadius = p.radius
pLevel = p.ID.count(':')
if self.maxLevel < pLevel:
self.maxLevel = pLevel
# Make display request for every particle added
disprequest = { "OGL_DISPLAYREQUEST" : True,
"objectid" : id(p),
"callback" : (self,"callback"),
"events" : (self, "events"),
"size": p.size
}
# Send display request
self.send(disprequest, "display_signal")
self.physics.add( *particles )
# Add new particles to self.currentDisplayedPhysics
for particle in particles:
if self.currentParentParticleID == '': # If no parent, it's the top level
if ':' not in particle.ID:
self.currentDisplayedPhysics.add( particle )
particle.oldpos = particle.initialpos
# The child particles of self.currentParentParticleID
elif particle.ID.find(self.currentParentParticleID) == 0 and particle.ID.count(':') == self.currentLevel:
self.currentDisplayedPhysics.add( particle )
particle.oldpos = particle.initialpos
def removeParticle(self, *ids):
"""\
Remove particle(s) specified by their ids.
Also breaks any bonds to/from that particle.
"""
for ident in ids:
self.physics.particleDict[ident].breakAllBonds()
try:
self.display.ogl_objects.remove(id(self.physics.particleDict[ident]))
self.display.ogl_names.pop(id(self.physics.particleDict[ident]))
self.display.ogl_displaylists.pop(id(self.physics.particleDict[ident]))
self.display.ogl_transforms.pop(id(self.physics.particleDict[ident]))
except KeyError: pass
self.physics.removeByID(*ids)
for ident in ids:
try:
self.currentDisplayedPhysics.removeByID(ident)
except KeyError: pass
def selectParticle(self, particle):
"""Select the specified particle."""
if self.multiSelectMode:
if particle not in self.selectedParticles:
particle.select()
self.selectedParticles.append(particle)
self.send( "('SELECT', 'NODE', '"+particle.name+"')", "outbox" )
else:
particle.deselect()
self.selectedParticles.remove(particle)
self.send( "('DESELECT', 'NODE', '"+particle.name+"')", "outbox" )
else:
self.deselectAll()
self.selectedParticles = []
particle.select()
self.selectedParticles.append(particle)
self.send( "('SELECT', 'NODE', '"+particle.name+"')", "outbox" )
def deselectAll(self):
"""Deselect all particles."""
for particle in self.selectedParticles:
particle.deselect()
self.selectedParticles = []
def makeBond(self, source, dest):
"""Make a bond from source to destination particle, specified by IDs"""
self.physics.particleDict[source].makeBond(self.physics.particleDict, dest)
self.physics.particleDict[source].needRedraw = True
def breakBond(self, source, dest):
"""Break a bond from source to destination particle, specified by IDs"""
self.physics.particleDict[source].breakBond(self.physics.particleDict, dest)
self.physics.particleDict[source].needRedraw = True
def updateParticleLabel(self, node_id, new_name):
"""\
updateParticleLabel(node_id, new_name) -> updates the given nodes name & visual label if it exists
node_id - an id for an already existing node
new_name - a string (may include spaces) defining the new node name
"""
for p in self.physics.particles:
if p.ID == node_id:
p.set_label(new_name)
p.needRedraw = True
return
def getParticleLabel(self, node_id):
"""\
getParticleLabel(node_id) -> particle's name
Returns the name/label of the specified particle.
"""
for p in self.physics.particles:
if p.ID == node_id:
return p.name
def getTopology(self):
"""getTopology() -> list of command tuples that would build the current topology"""
topology = []
# first, enumerate the particles
for particle in self.physics.particles:
topology.append( ( "ADD","NODE",
particle.ID,
particle.name,
"random",
particle.originaltype
) )
# now enumerate the linkages
for particle in self.physics.particles:
for dst in particle.getBondedTo():
topology.append( ( "ADD","LINK", particle.ID, dst.ID ) )
return topology
def hideInfo(self):
self.send("Backward", "infomover_commands")
self.send("Play", "infomover_commands")
if __name__ == "__main__":
from Kamaelia.Chassis.Graphline import Graphline
from Kamaelia.Util.Console import ConsoleReader
from Kamaelia.UI.PygameDisplay import PygameDisplay
from Kamaelia.UI.OpenGL.OpenGLDisplay import OpenGLDisplay
from Kamaelia.Protocol.HTTP.HTTPClient import SimpleHTTPClient
from Kamaelia.Protocol.Torrent.TorrentPatron import TorrentPatron
ogl_display = OpenGLDisplay(limit_fps=100).activate()
OpenGLDisplay.setDisplayService(ogl_display)
# override pygame display service
PygameDisplay.setDisplayService(ogl_display)
Graphline(
reader = ConsoleReader(prompt="Enter torrent location:", eol=""),
httpclient = SimpleHTTPClient(),
gui = TorrentOpenGLGUI(),
backend = TorrentPatron(),
linkages = {
("gui", "outbox") : ("backend", "inbox"),
("reader", "outbox") : ("gui", "torrent_url"),
("gui", "fetcher") : ("httpclient", "inbox"),
("httpclient", "outbox") : ("gui", "torrent_file"),
("backend", "outbox"): ("gui", "inbox")
}
self.send(infostring, "torrent_info")
def hideInfo(self):
self.send("Backward", "infomover_commands")
self.send("Play", "infomover_commands")
if __name__ == "__main__":
from Kamaelia.Chassis.Graphline import Graphline
from Kamaelia.Util.Console import ConsoleReader
from Kamaelia.UI.PygameDisplay import PygameDisplay
from Kamaelia.UI.OpenGL.OpenGLDisplay import OpenGLDisplay
from Kamaelia.Protocol.HTTP.HTTPClient import SimpleHTTPClient
from Kamaelia.Protocol.Torrent.TorrentPatron import TorrentPatron
ogl_display = OpenGLDisplay(limit_fps=100).activate()
OpenGLDisplay.setDisplayService(ogl_display)
# override pygame display service
PygameDisplay.setDisplayService(ogl_display)
Graphline(reader=ConsoleReader(prompt="Enter torrent location:", eol=""),
httpclient=SimpleHTTPClient(),
gui=TorrentOpenGLGUI(),
backend=TorrentPatron(),
linkages={
("gui", "outbox"): ("backend", "inbox"),
("reader", "outbox"): ("gui", "torrent_url"),
("gui", "fetcher"): ("httpclient", "inbox"),
("httpclient", "outbox"): ("gui", "torrent_file"),
("backend", "outbox"): ("gui", "inbox")
}).run()
