forked from tamasgal/rainbowalga
/
km3net.py
445 lines (360 loc) · 14.3 KB
/
km3net.py
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from __future__ import division, absolute_import, print_function
import time
import pickle
from OpenGL.GLUT import (glutCreateWindow, glutDisplayFunc, glutIdleFunc,
glutInit, glutInitDisplayMode, glutInitWindowPosition,
glutInitWindowSize, glutKeyboardFunc, glutMainLoop,
glutMotionFunc, glutMouseFunc, glutReshapeFunc,
glutReshapeWindow, glutSpecialFunc, glutSwapBuffers,
glutGet,
GLUT_DOUBLE, GLUT_RGB, GLUT_DEPTH, GLUT_MULTISAMPLE,
GLUT_WINDOW_WIDTH, GLUT_WINDOW_HEIGHT,
GLUT_LEFT_BUTTON, GLUT_DOWN, GLUT_KEY_LEFT,
GLUT_KEY_RIGHT)
from OpenGL.GLU import gluPerspective
from OpenGL.GL import (glBegin, glClear, glClearColor, glClearDepth, glColor3f,
glDisable, glDisableClientState, glDrawArrays,
glDrawPixels, glEnable, glEnableClientState, glEnd,
glFrustum, glLightfv, glLoadIdentity, glMaterialfv,
glMatrixMode, glOrtho, glPointSize, glPopMatrix,
glPushMatrix, glRasterPos, glReadPixels, glShadeModel,
glUseProgram, glVertex2f, glVertexPointerf, glViewport,
glGetString, GLubyte,
GL_PROJECTION, GL_DEPTH_BUFFER_BIT,
GL_COLOR_BUFFER_BIT, GL_LIGHT0, GL_NORMALIZE,
GL_COLOR_MATERIAL, GL_LIGHTING, GL_AMBIENT, GL_DIFFUSE,
GL_SPECULAR, GL_POSITION, GL_FRONT, GL_SHININESS,
GL_VERSION, GL_VERTEX_SHADER, GL_FRAGMENT_SHADER,
GL_VERTEX_ARRAY, GL_POINTS, GL_DEPTH_TEST,
GL_LINE_SMOOTH, GL_FLAT, GL_MODELVIEW, GL_CULL_FACE,
GL_QUADS, GL_RGB, GL_UNSIGNED_BYTE)
from OpenGL.arrays import vbo
from OpenGL.GL.shaders import compileShader, compileProgram
import numpy as np
from PIL import Image
from rainbowalga.tools import Clock, Camera, draw_text_2d, draw_text_3d
from rainbowalga.physics import Particle, Hit
from rainbowalga import constants
from km3pipe.dataclasses import Position
from km3pipe.hardware import Detector
from km3pipe.pumps import EvtPump
camera = Camera()
camera.is_rotating = True
logo = Image.open('km3net_logo.bmp')
# Create a raw string from the image data - data will be unsigned bytes
# RGBpad, no stride (0), and first line is top of image (-1)
logo_bytes = logo.tobytes("raw", "RGB", 0, -1)
class RainbowAlga(object):
def __init__(self, width=800, height=600, x=112, y=84):
self.init_opengl(width=width, height=height, x=x, y=y)
print("OpenGL Version: {0}".format(glGetString(GL_VERSION)))
self.clock = Clock(speed=100)
self.timer = Clock(snooze_interval=1/30)
self.frame_index = 0
self.event_index = 0
self.is_recording = False
VERTEX_SHADER = compileShader("""
void main() {
gl_Position = gl_ModelViewProjectionMatrix * gl_Vertex;
}""", GL_VERTEX_SHADER)
FRAGMENT_SHADER = compileShader("""
void main() {
gl_FragColor = vec4(0.8, 0.8, 0.8, 1);
}""", GL_FRAGMENT_SHADER)
self.shader = compileProgram(VERTEX_SHADER, FRAGMENT_SHADER)
self.coordsys = vbo.VBO(
np.array([
[-1, 0, 0],
[1, 0, 0],
[0, -1, 0],
[0, 1, 0],
[0, 0, -1],
[0, 0, 1]
], 'f')
)
self.blob = None
self.objects = []
self.shaded_objects = []
self.mouse_x = None
self.mouse_y = None
self.show_help = False
self._help_string = None
self.show_info = False
self.spectrum = None
self.detector = Detector('/Users/tamasgal/Data/KM3NeT/Detector/km3net_jul13_90m.detx')
self.dom_positions = np.array([tuple(pos) for pos in self.detector.dom_positions], 'f')
self.min_z = min([z for x, y, z in self.dom_positions])
self.max_z = max([z for x, y, z in self.dom_positions])
camera.target = Position((0, 0, (self.max_z - self.min_z) / 2))
self.dom_positions_vbo = vbo.VBO(self.dom_positions)
self.pump = EvtPump(filename='/Users/tamasgal/Data/KM3NeT/Luigi/nueCC.evt')
self.load_blob(0)
self.clock.reset()
self.timer.reset()
glutMainLoop()
def load_blob(self, index=0):
blob = self.blob = self.pump.get_blob(index)
self.objects = []
self.shaded_objects = []
tracks = blob['TrackIns']
for track in tracks:
particle = Particle(track.pos.x, track.pos.y, track.pos.z,
track.dir.x, track.dir.y, track.dir.z,
track.time, constants.c, track.length)
self.objects.append(particle)
hits = blob['EvtRawHits']
hit_times = []
step_size = int(len(hits) / 100) + 1
for hit in hits[::step_size]:
hit_times.append(hit.time)
x, y, z = self.detector.pmt_with_id(hit.pmt_id).pos
self.shaded_objects.append(Hit(x, y, z, hit.time, 5))
def spectrum(time):
min_time = min(hit_times)
max_time = max(hit_times)
diff = max_time - min_time
one_percent = diff/100
progress = (time - min_time) / one_percent / 100
return (1-progress, 0, progress)
self.spectrum = spectrum
def load_next_blob(self):
try:
self.load_blob(self.event_index + 1)
except IndexError:
return
else:
self.clock.reset()
self.event_index += 1
def load_previous_blob(self):
try:
self.load_blob(self.event_index - 1)
except IndexError:
return
else:
self.clock.reset()
self.event_index -= 1
def init_opengl(self, width, height, x, y):
glutInit()
glutInitWindowPosition(x, y)
glutInitWindowSize(width, height)
glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH | GLUT_MULTISAMPLE)
glutCreateWindow("Rainbow Alga")
glutDisplayFunc(self.render)
glutIdleFunc(self.render)
glutReshapeFunc(self.resize)
glutMouseFunc(self.mouse)
glutMotionFunc(self.drag)
glutKeyboardFunc(self.keyboard)
glutSpecialFunc(self.special_keyboard)
glClearDepth(1.0)
glClearColor(0.0, 0.0, 0.0, 0.0)
glMatrixMode(GL_PROJECTION)
glLoadIdentity()
glFrustum(-1.0, 1.0, -1.0, 1.0, 1.0, 3000)
glClear(GL_DEPTH_BUFFER_BIT | GL_COLOR_BUFFER_BIT)
# Lighting
light_ambient = (0.0, 0.0, 0.0, 1.0)
light_diffuse = (1.0, 1.0, 1.0, 1.0)
light_specular = (1.0, 1.0, 1.0, 1.0)
light_position = (-100.0, 100.0, 100.0, 0.0)
mat_ambient = (0.7, 0.7, 0.7, 1.0)
mat_diffuse = (0.8, 0.8, 0.8, 1.0)
mat_specular = (1.0, 1.0, 1.0, 1.0)
high_shininess = (100)
glEnable(GL_LIGHT0)
glEnable(GL_NORMALIZE)
glEnable(GL_COLOR_MATERIAL)
glEnable(GL_LIGHTING)
glLightfv(GL_LIGHT0, GL_AMBIENT, light_ambient)
glLightfv(GL_LIGHT0, GL_DIFFUSE, light_diffuse)
glLightfv(GL_LIGHT0, GL_SPECULAR, light_specular)
glLightfv(GL_LIGHT0, GL_POSITION, light_position)
glMaterialfv(GL_FRONT, GL_AMBIENT, mat_ambient)
glMaterialfv(GL_FRONT, GL_DIFFUSE, mat_diffuse)
glMaterialfv(GL_FRONT, GL_SPECULAR, mat_specular)
glMaterialfv(GL_FRONT, GL_SHININESS, high_shininess)
def render(self):
self.clock.record_frame_time()
if self.is_recording and not self.timer.is_snoozed:
self.frame_index += 1
frame_name = "Frame_{0:05d}.jpg".format(self.frame_index)
self.save_screenshot(frame_name)
self.timer.snooze()
glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
if camera.is_rotating:
camera.rotate_z(0.2)
camera.look()
self.draw_detector()
glEnable(GL_DEPTH_TEST)
glEnable(GL_LINE_SMOOTH)
glShadeModel(GL_FLAT)
glEnable(GL_LIGHTING)
for obj in self.shaded_objects:
obj.draw(self.clock.time, self.spectrum)
glDisable(GL_LIGHTING)
for obj in self.objects:
obj.draw(self.clock.time)
self.draw_gui()
glutSwapBuffers()
def draw_detector(self):
glUseProgram(self.shader)
try:
self.dom_positions_vbo.bind()
try:
glEnableClientState(GL_VERTEX_ARRAY)
glVertexPointerf(self.dom_positions_vbo)
glPointSize(2)
glDrawArrays(GL_POINTS, 0, len(self.dom_positions)*3)
finally:
self.dom_positions_vbo.unbind()
glDisableClientState(GL_VERTEX_ARRAY)
finally:
glUseProgram(0)
def draw_gui(self):
menubar_height = logo.size[1] + 4
width = glutGet(GLUT_WINDOW_WIDTH)
height = glutGet(GLUT_WINDOW_HEIGHT)
glMatrixMode(GL_PROJECTION)
glPushMatrix()
glLoadIdentity()
glOrtho(0.0, width, height, 0.0, -1.0, 10.0)
glMatrixMode(GL_MODELVIEW)
glLoadIdentity()
glDisable(GL_CULL_FACE)
glClear(GL_DEPTH_BUFFER_BIT)
glBegin(GL_QUADS)
glColor3f(0.14, 0.49, 0.87)
glVertex2f(0, 0)
glVertex2f(width - logo.size[0] - 10, 0)
glVertex2f(width - logo.size[0] - 10, menubar_height)
glVertex2f(0, menubar_height)
glEnd()
glPushMatrix()
glLoadIdentity()
glRasterPos(width - logo.size[0] - 4, logo.size[1] + 2)
glDrawPixels(logo.size[0], logo.size[1], GL_RGB, GL_UNSIGNED_BYTE, logo_bytes)
glPopMatrix()
glMatrixMode(GL_PROJECTION)
glPopMatrix()
glMatrixMode(GL_MODELVIEW)
glColor3f(1.0, 1.0, 1.0)
draw_text_2d("FPS: {0:.1f}\nTime: {1:.0f} ns"
.format(self.clock.fps, self.clock.time),
10, 30)
if self.show_help:
self.display_help()
if self.show_info:
self.display_info()
def resize(self, width, height):
if width < 400:
glutReshapeWindow(400, height)
if height < 300:
glutReshapeWindow(width, 300)
if height == 0:
height = 1
glViewport(0, 0, width, height)
glMatrixMode(GL_PROJECTION)
glLoadIdentity()
gluPerspective(45.0, float(width)/float(height), 0.1, 10000.0)
glMatrixMode(GL_MODELVIEW)
def mouse(self, button, state, x, y):
if button == GLUT_LEFT_BUTTON:
if state == GLUT_DOWN:
self.mouse_x = x
self.mouse_y = y
camera.is_rotating = False
else:
camera.is_rotating = True
if button == 3:
camera.distance = camera.distance + 2
if button == 4:
camera.distance = camera.distance - 2
def keyboard(self, key, x, y):
if(key == "r"):
self.clock.reset()
if(key == "h"):
self.show_help = not self.show_help
if(key == 'i'):
self.show_info = not self.show_info
if(key == "+"):
camera.distance = camera.distance - 50
if(key == "-"):
camera.distance = camera.distance + 50
if(key == 'n'):
self.load_next_blob()
if(key == 'p'):
self.load_previous_blob()
if(key == "s"):
self.save_screenshot()
if(key == 'v'):
self.frame_index = 0
self.is_recording = not self.is_recording
if(key == " "):
if self.clock.is_paused:
self.clock.resume()
else:
self.clock.pause()
if(key in ('q', chr(27))):
raise SystemExit
def special_keyboard(self, key, x, z):
if key == GLUT_KEY_LEFT:
self.clock.rewind(100)
if key == GLUT_KEY_RIGHT:
self.clock.fast_forward(100)
def drag(self, x, y):
camera.rotate_z(self.mouse_x - x)
camera.move_z(-(self.mouse_y - y)*8)
self.mouse_x = x
self.mouse_y = y
def save_screenshot(self, name='screenshot.png'):
width = glutGet(GLUT_WINDOW_WIDTH)
height = glutGet(GLUT_WINDOW_HEIGHT)
pixelset = (GLubyte * (3*width*height))(0)
glReadPixels(0, 0, width, height, GL_RGB, GL_UNSIGNED_BYTE, pixelset)
image = Image.fromstring(mode="RGB", size=(width, height), data=pixelset)
image = image.transpose(Image.FLIP_TOP_BOTTOM)
image.save(name)
print("Screenshot saved as '{0}'.".format(name))
@property
def help_string(self):
if not self._help_string:
options = {
'h': 'help',
'i': 'show event info',
'n': 'next event',
'p': 'previous event',
'LEFT': '+100ns',
'RIGHT': '-100ns',
's': 'save screenshot (screenshot.png)',
'v': 'start/stop recording (Frame_XXXXX.jpg)',
'r': 'reset time',
'<space>': 'pause time',
'+': 'zoom in',
'-': 'zoom out',
'<esc> or q': 'quit',
}
help_string = "Keyboard commands:\n-------------------\n"
for key in sorted(options.keys()):
help_string += "{key:>10} : {description}\n" \
.format(key=key, description=options[key])
self._help_string = help_string
return self._help_string
@property
def blob_info(self):
if not self.blob:
return ''
info_text = ''
try:
event_number = self.blob['start_event'][0]
info_text += "Event #{0}\n".format(event_number)
except KeyError:
pass
return info_text
def display_help(self):
pos_y = glutGet(GLUT_WINDOW_HEIGHT) - 80
draw_text_2d(self.help_string, 10, pos_y)
def display_info(self):
pos_y = glutGet(GLUT_WINDOW_HEIGHT) - 100
draw_text_2d(self.blob_info, 10, pos_y)
if __name__ == "__main__":
app = RainbowAlga()