def vis_img(a_img,a_stop):
if a_img.is_empty() == True : return
#//////////////////////////////////////////////////////////
#/// create scene graph ///////////////////////////////////
#//////////////////////////////////////////////////////////
sep = inlib.sg_separator()
sep.thisown = 0
camera = inlib.sg_ortho()
camera.thisown = 0
camera.height.value(2)
camera.znear.value(0.1)
sep.add(camera)
mat = inlib.sg_rgba()
mat.thisown = 0
mat.color.value(inlib.colorf_white())
sep.add(mat)
_img = inlib.sg_tex_rect()
_img.thisown = 0
#_img.img.value(a_img)
_img.img.value().transfer(a_img)
sep.add(_img)
#//////////////////////////////////////////////////////////
#/// visualize ////////////////////////////////////////////
#//////////////////////////////////////////////////////////
smgr = exlib.session(inlib.get_cout()) # screen manager
if smgr.is_valid() == True :
viewer = exlib.sg_viewer(smgr,0,0,700,500)
if viewer.has_window() == True :
viewer.sg().add(sep)
viewer.show()
print('steer...')
#smgr.steer() # it blocks input from the prompt (because threading module is not a truely multi-thread system).
import time
while True:
if a_stop() == True : break
if smgr.sync() == False : break
time.sleep(0.01)
print('end steer.')
del viewer
del smgr
def vis_img(a_img):
if a_img.is_empty() == True: return
#//////////////////////////////////////////////////////////
#/// create scene graph ///////////////////////////////////
#//////////////////////////////////////////////////////////
all_sep = inlib.sg_separator()
#all_sep.thisown = 0
camera = inlib.sg_ortho()
camera.thisown = 0
camera.height.value(2)
camera.znear.value(0.1)
all_sep.add(camera)
sep = inlib.sg_separator()
#sep.thisown = 0 #decided below.
#all_sep.add(sep) #decided below.
mat = inlib.sg_rgba()
mat.thisown = 0
mat.color.value(inlib.colorf_white())
sep.add(mat)
_img = inlib.sg_tex_rect()
_img.thisown = 0
#_img.img.value(a_img)
_img.img.value().transfer(a_img)
sep.add(_img)
#//////////////////////////////////////////////////////////
#/// visualize ////////////////////////////////////////////
#//////////////////////////////////////////////////////////
width = 700
height = 500
if args.vis_mode == "offscreen":
import exlib_offscreen as exlib
all_sep.add(sep)
sep.thisown = 0
gl2ps_mgr = exlib.sg_gl2ps_manager()
zb_mgr = inlib.sg_zb_manager()
factor = 2 # have greater size to have good freetype rendering.
_width = factor * width
_height = factor * height
clear_color = inlib.colorf_white()
file = 'out_cfitsio_hst_vis.ps'
format = "INZB_PS"
exlib.sg_write_paper(inlib.get_cout(),gl2ps_mgr,zb_mgr,\
clear_color.r(),clear_color.g(),clear_color.b(),clear_color.a(),\
all_sep,_width,_height,file,format)
file = 'out_cfitsio_hst_vis.png'
format = "INZB_PNG"
exlib.sg_write_paper(inlib.get_cout(),gl2ps_mgr,zb_mgr,\
clear_color.r(),clear_color.g(),clear_color.b(),clear_color.a(),\
all_sep,_width,_height,file,format)
del clear_color
del all_sep # before the below mgr.
del zb_mgr
del gl2ps_mgr
elif args.vis_mode == "client":
del all_sep
host = args.vis_host
port = int(args.vis_port)
#print("try to connected to "+host+" "+str(port)+" ...")
import exlib_offscreen as exlib
dc = exlib.net_sg_client(
inlib.get_cout(), False,
True) #False=quiet, True=warn if receiving unknown protocol.
if dc.initialize(host, port) == False:
print("can't connect to " + host + " " + str(port))
exit()
if dc.send_string(inlib.sg_s_protocol_clear_static_sg()) == False:
print("send protocol_clear_static_scene() failed.")
exit()
opts = inlib.args()
opts.add(inlib.sg_s_send_placement(), inlib.sg_s_placement_static())
if dc.send_sg(sep, opts) == False:
print("send_sg failed.")
exit()
if dc.socket().send_string(inlib.sg_s_protocol_disconnect()) == False:
print("send protocol_s_disconnect() failed.")
exit()
dc.socket().disconnect()
del dc
del sep
else:
print('exit viewer steering by closing the window with the mouse.')
import exlib_window as exlib
smgr = exlib.session(inlib.get_cout()) # screen manager
if smgr.is_valid() == True:
viewer = exlib.sg_viewer(smgr, 0, 0, width, height)
if viewer.has_window() == True:
all_sep.add(sep)
sep.thisown = 0
all_sep.thisown = 0
viewer.sg().add(all_sep)
viewer.show()
smgr.steer()
del viewer
del smgr
#/////////////////////////////////////////////////// _sep = inlib.sg_separator() _sep.thisown = 0 sep.add(_sep) blend = inlib.sg_blend() blend.thisown = 0 blend.on.value(True) _sep.add(blend) m = inlib.sg_matrix() m.thisown = 0 m.set_translate(0, 0, 0) _sep.add(m) mat = inlib.sg_rgba() mat.thisown = 0 mat.color.value(_color) _sep.add(mat) rcube = inlib.sg_vertices() rcube.thisown = 0 rcube.mode.value(inlib.points()) _sep.add(rcube) [add_rcube(rcube) for i in range(0, number_of_points)] mat = inlib.sg_rgba() mat.thisown = 0 mat.color.value(inlib.colorf_black()) _sep.add(mat)
def polyhedron():
#//////////////////////////////////////////////////////////
#/// create scene graph ///////////////////////////////////
#//////////////////////////////////////////////////////////
all_sep = inlib.sg_separator()
#all_sep.thisown = 0 # decided below
camera = inlib.sg_ortho()
camera.thisown = 0
camera.position.value(inlib.vec3f(0, 0, 5))
camera.focal.value(5)
camera.height.value(10)
camera.znear.value(0.1)
camera.zfar.value(100)
all_sep.add(camera)
light = inlib.sg_head_light()
light.thisown = 0
light.direction.value(inlib.vec3f(1, -1, -10))
#light.on.value(False)
all_sep.add(light)
sep = inlib.sg_separator()
#all_sep.add(sep) # decided below
#sep.thisown = 0 # decided below
m = inlib.sg_matrix()
m.thisown = 0
m.set_rotate(0, 1, 0, inlib.fhalf_pi() / 2)
m.mul_rotate(1, 0, 0, inlib.fhalf_pi() / 2)
sep.add(m)
mat = inlib.sg_rgba()
mat.thisown = 0
mat.color.value(inlib.colorf_green())
sep.add(mat)
# A Tube with a transvers hole :
tubs_1 = inlib.hep_polyhedron_tubs(0.7, 1.5, 2, 0, inlib.two_pi())
tubs_2 = inlib.hep_polyhedron_tubs(0, 0.5, 4, 0, inlib.two_pi())
tubs_2.Transform(inlib.rotd(inlib.vec3d(0, 1, 0), inlib.half_pi()),
inlib.vec3d(0, 0, 0))
op = tubs_1.subtract(tubs_2)
node = inlib.sg_polyhedron()
node.thisown = 0
#node.ph.value(inlib.hep_polyhedron_sphere(0.9,1,0,inlib.two_pi(),0,inlib.pi()))
node.ph.value(op)
#node.solid.value(False)
#node.reduced_wire_frame.value(False)
sep.add(node)
#//////////////////////////////////////////////////////////
#/// viewing : ////////////////////////////////////////////
#//////////////////////////////////////////////////////////
width = 700
height = 500
if args.vis_mode == "offscreen":
import exlib_offscreen as exlib
all_sep.add(sep)
sep.thisown = 0
gl2ps_mgr = exlib.sg_gl2ps_manager()
zb_mgr = inlib.sg_zb_manager()
factor = 2 # have greater size to have good freetype rendering.
_width = factor * width
_height = factor * height
clear_color = inlib.colorf_white()
file = 'out_polyhedron_vis.ps'
format = "INZB_PS"
exlib.sg_write_paper(inlib.get_cout(),gl2ps_mgr,zb_mgr,\
clear_color.r(),clear_color.g(),clear_color.b(),clear_color.a(),\
all_sep,_width,_height,file,format)
file = 'out_polyhedron_vis.png'
format = "INZB_PNG"
exlib.sg_write_paper(inlib.get_cout(),gl2ps_mgr,zb_mgr,\
clear_color.r(),clear_color.g(),clear_color.b(),clear_color.a(),\
all_sep,_width,_height,file,format)
del clear_color
del all_sep # before the below mgr.
del zb_mgr
del gl2ps_mgr
elif args.vis_mode == "client":
del all_sep
host = args.vis_host
port = int(args.vis_port)
#print("try to connected to "+host+" "+str(port)+" ...")
import exlib_offscreen as exlib
dc = exlib.net_sg_client(
inlib.get_cout(), False,
True) #False=quiet, True=warn if receiving unknown protocol.
if dc.initialize(host, port) == False:
print("can't connect to " + host + " " + str(port))
exit()
if dc.send_string(inlib.sg_s_protocol_clear_static_sg()) == False:
print("send protocol_clear_static_scene() failed.")
exit()
opts = inlib.args()
opts.add(inlib.sg_s_send_placement(), inlib.sg_s_placement_static())
if dc.send_sg(sep, opts) == False:
print("send_sg failed.")
exit()
if dc.socket().send_string(inlib.sg_s_protocol_disconnect()) == False:
print("send protocol_s_disconnect() failed.")
exit()
dc.socket().disconnect()
del dc
del sep
else:
print('exit viewer steering by closing the window with the mouse.')
import exlib_window as exlib
all_sep.add(sep)
sep.thisown = 0
smgr = exlib.session(inlib.get_cout())
if smgr.is_valid() == True:
viewer = exlib.sg_viewer(smgr, 0, 0, width, height)
if viewer.has_window() == True:
all_sep.thisown = 0
viewer.sg().add(
all_sep) # give ownership of sep to the viewer.
viewer.show()
print('steer...')
smgr.steer() #FIXME : it blocks input from the prompt, why ?
print('end steer.')
del viewer
del smgr