class RainbowAlga(object):
def __init__(self, detector_file=None, event_file=None, min_tot=None,
skip_to_blob=0,
width=1000, height=700, x=50, y=50):
self.camera = Camera()
self.camera.is_rotating = True
self.colourist = Colourist()
current_path = os.path.dirname(os.path.abspath(__file__))
if not detector_file:
detector_file = os.path.join(current_path,
'data/km3net_jul13_90m_r1494_corrected.detx')
self.load_logo()
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 = skip_to_blob
self.is_recording = False
self.min_tot = min_tot
VERTEX_SHADER = compileShader("""
void main() {
gl_Position = gl_ModelViewProjectionMatrix * gl_Vertex;
}""", GL_VERTEX_SHADER)
FRAGMENT_SHADER = compileShader("""
void main() {
gl_FragColor = vec4(0.5, 0.5, 0.5, 1);
}""", GL_FRAGMENT_SHADER)
self.shader = compileProgram(VERTEX_SHADER, FRAGMENT_SHADER)
self.blob = None
self.objects = {}
self.shaded_objects = []
self.mouse_x = None
self.mouse_y = None
self.show_secondaries = True
self.show_help = False
self._help_string = None
self.show_info = True
self.spectrum = None
self.current_spectrum = 'default'
self.cmap = self.colourist.default_cmap
self.min_hit_time = None
self.max_hit_time = None
self.detector = Detector(detector_file)
dom_positions = self.detector.dom_positions
min_z = min([z for x, y, z in dom_positions])
max_z = max([z for x, y, z in dom_positions])
z_shift = (max_z - min_z) / 2
self.dom_positions = np.array([tuple(pos) for pos in dom_positions], 'f')
self.camera.target = Position((0, 0, z_shift))
self.dom_positions_vbo = vbo.VBO(self.dom_positions)
if event_file:
self.pump = EvtPump(filename=event_file)
try:
self.load_blob(skip_to_blob)
except IndexError:
print("Could not load blob at index {0}".format(skip_to_blob))
print("Starting from the first one...")
self.load_blob(0)
else:
print("No event file specified. Only the detector will be shown.")
self.clock.reset()
self.timer.reset()
glutMainLoop()
def load_logo(self):
if self.colourist.print_mode:
image = 'images/km3net_logo_print.bmp'
else:
image = 'images/km3net_logo.bmp'
current_path = os.path.dirname(os.path.abspath(__file__))
image_path = os.path.join(current_path, image)
self.logo = Image.open(image_path)
# 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)
self.logo_bytes = self.logo.tobytes("raw", "RGB", 0, -1)
def load_blob(self, index=0):
print("Loading blob {0}...".format(index))
blob = self.blob = self.pump.get_blob(index)
self.objects = {}
self.shaded_objects = []
self.add_neutrino(blob)
self.add_mc_tracks(blob)
self.add_reco_tracks(blob)
self.initialise_spectrum(blob, style=self.current_spectrum)
def reload_blob(self):
self.load_blob(self.event_index)
def initialise_spectrum(self, blob, style="default"):
if style == 'default':
hits = self.extract_hits(blob)
hits = self.remove_hidden_hits(hits)
hit_times = []
#step_size = int(len(hits) / 100) + 1
for hit in hits:
if hit.time > 0:
hit_times.append(hit.time)
if len(hit_times) == 0:
log.warn("No hits left after applying cuts.")
return
self.min_hit_time = min(hit_times)
self.max_hit_time = max(hit_times)
def spectrum(time, hit=None):
min_time = min(hit_times)
max_time = max(hit_times)
diff = max_time - min_time
one_percent = diff/100
try:
progress = (time - min_time) / one_percent / 100
except ZeroDivisionError:
progress = 0
return tuple(self.cmap(progress))[:3]
self.spectrum = spectrum
if style == 'time_residuals':
try:
track_ins = blob['TrackIns']
except KeyError:
log.error("No tracks found to determine Cherenkov parameters!")
self.current_spectrum = "default"
return
most_energetic_muon = max(track_ins, key=lambda t: t.E)
if not pdg2name(most_energetic_muon.particle_type) in ['mu-', 'mu+']:
log.error("No muon found to determine Cherenkov parameters!")
self.current_spectrum = "default"
return
vertex_pos = most_energetic_muon.pos
muon_dir = most_energetic_muon.dir
hits = self.extract_hits(blob)
hits = self.first_om_hits(hits)
def cherenkov_time(pmt_pos):
"""Calculates Cherenkov arrival time in [ns]"""
v = pmt_pos - vertex_pos
l = v.dot(muon_dir)
k = np.sqrt(v.dot(v) - l**2)
v_g = constants.c_water_antares
theta = constants.theta_cherenkov_water_antares
t_cherenkov = 1/constants.c * (l - k/np.tan(theta)) + 1 /v_g * k/np.sin(theta)
return t_cherenkov * 1e9
self.min_hit_time = -100
self.max_hit_time = 100
def spectrum(time, hit=None):
if hit:
pmt_pos = self.detector.pmt_with_id(hit.pmt_id).pos
if not hit.t_cherenkov:
t_cherenkov = cherenkov_time(pmt_pos)
hit.t_cherenkov = t_cherenkov
log.debug("Hit time: {0}, Expected: {1}, Time Residual: {2}"
.format(time, t_cherenkov, time - t_cherenkov))
time = time - hit.t_cherenkov
diff = self.max_hit_time - self.min_hit_time
one_percent = diff/100
try:
progress = (time - self.min_hit_time) / one_percent / 100
if progress > 1:
progress = 1
except ZeroDivisionError:
progress = 0
return tuple(self.cmap(progress))[:3]
self.spectrum = spectrum
def toggle_spectrum(self):
if self.current_spectrum == 'default':
self.current_spectrum = 'time_residuals'
else:
self.current_spectrum = 'default'
self.reload_blob()
def remove_hidden_hits(self, hits):
om_hit_map = {}
for hit in hits:
x, y, z = self.detector.pmt_with_id(hit.pmt_id).pos
rb_hit = Hit(x, y, z, hit.time, hit.pmt_id, hit.id, hit.tot)
om_hit_map.setdefault(self.detector.pmtid2omkey(hit.pmt_id)[:2],
[]).append(rb_hit)
hits = []
for om, om_hits in om_hit_map.iteritems():
largest_hit = None
for hit in om_hits:
if largest_hit:
if hit.tot > largest_hit.tot:
hidden_hits = om_hits[:om_hits.index(hit)]
hit.replaces_hits = hidden_hits
hits.append(hit)
self.shaded_objects.append(hit)
largest_hit = hit
else:
hits.append(hit)
self.shaded_objects.append(hit)
largest_hit = hit
print(
"Number of hits after removing hidden ones: {0}".format(len(hits)))
return hits
def first_om_hits(self, hits):
om_hit_map = {}
for hit in hits:
if hit.time < 0:
continue
x, y, z = self.detector.pmt_with_id(hit.pmt_id).pos
rb_hit = Hit(x, y, z, hit.time, hit.pmt_id, hit.id, hit.tot)
om_hit_map.setdefault(self.detector.pmtid2omkey(hit.pmt_id)[:2],
[]).append(rb_hit)
hits = []
for om, om_hits in om_hit_map.iteritems():
first_hit = om_hits[0]
self.shaded_objects.append(first_hit)
hits.append(first_hit)
print(
"Number of first OM hits: {0}".format(len(hits)))
return hits
def extract_hits(self, blob):
hits = blob['EvtRawHits']
print("Number of hits: {0}".format(len(hits)))
if self.min_tot:
hits = [hit for hit in blob['EvtRawHits'] if
hit.tot > self.min_tot]
print("Number of hits after ToT={0} cut: {1}"
.format(self.min_tot, len(hits)))
if not self.min_tot and len(hits) > 500:
print("Warning: consider applying a ToT filter to reduce the "
"amount of hits, according to your graphic cards "
"performance!")
hits.sort(key=lambda h: h.time)
return hits
def add_neutrino(self, blob):
"""Add the neutrino to the scene."""
try:
neutrino = blob['Neutrino']
except KeyError:
return
print(neutrino)
pos = Position((neutrino.pos.x, neutrino.pos.y, neutrino.pos.z))
particle = Neutrino(pos.x, pos.y, pos.z,
neutrino.dir.x, neutrino.dir.y, neutrino.dir.z,
0)
particle.color = (1.0, 0.0, 0.0)
particle.line_width = 3
self.objects.setdefault("neutrinos", []).append(particle)
def add_mc_tracks(self, blob):
"""Find MC particles and add them to the objects to render."""
try:
track_ins = blob['TrackIns']
except KeyError:
return
highest_energetic_track = max(track_ins, key=lambda t: t.E)
highest_energy = highest_energetic_track.E
for track in track_ins:
if track.particle_type in (0, 22):
# skip unknowns, photons
continue
if angle_between(highest_energetic_track.dir, track.dir) > 0.035:
# TODO: make this realistic!
# skip if angle too large
continue
if track.particle_type not in (-11, 11, -13, 13, -15, 15):
# TODO: make this realistic!
track.length = 200 * track.E / highest_energy
particle = Particle(track.pos.x, track.pos.y, track.pos.z,
track.dir.x, track.dir.y, track.dir.z,
track.time, constants.c, self.colourist,
track.E, track.length)
particle.hidden = not self.show_secondaries
if track.id == highest_energetic_track.id:
particle.color = (0.0, 1.0, 0.2)
particle.line_width = 3
particle.cherenkov_cone_enabled = True
particle.hidden = False
self.objects.setdefault("mc_tracks", []).append(particle)
def add_reco_tracks(self, blob):
"""Find reco particles and add them to the objects to render."""
try:
track_fits = blob['TrackFits']
except KeyError:
return
for track in track_fits:
if not int(track.id) == 314:
continue
particle = ParticleFit(track.pos.x, track.pos.y, track.pos.z,
track.dir.x, track.dir.y, track.dir.z,
constants.c, track.ts, track.te)
print("Found track fit: {0}".format(track))
self.objects.setdefault("reco_tracks", []).append(particle)
def toggle_secondaries(self):
self.show_secondaries = not self.show_secondaries
secondaries = self.objects["mc_tracks"]
for secondary in secondaries:
secondary.hidden = not self.show_secondaries
highest_energetic = max(secondaries, key=lambda s: s.energy)
if highest_energetic:
highest_energetic.hidden = False
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)
# Transparency
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
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)
self.colourist.now_background()
if self.camera.is_rotating:
self.camera.rotate_z(0.2)
self.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 itertools.chain.from_iterable(self.objects.values()):
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):
logo = self.logo
logo_bytes = self.logo_bytes
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)
glShadeModel(GL_SMOOTH)
glClear(GL_DEPTH_BUFFER_BIT)
# Top bar
#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()
try:
self.draw_colour_legend()
except TypeError:
pass
glPushMatrix()
glLoadIdentity()
glRasterPos(4, logo.size[1] + 4)
glDrawPixels(logo.size[0], logo.size[1], GL_RGB, GL_UNSIGNED_BYTE, logo_bytes)
glPopMatrix()
glMatrixMode(GL_PROJECTION)
glPopMatrix()
glMatrixMode(GL_MODELVIEW)
self.colourist.now_text()
#draw_text_2d("{0}ns".format(int(self.min_hit_time)), width - 80, 20)
#draw_text_2d("{0}ns".format(int(self.max_hit_time)), width - 80, height - menubar_height - 10)
#draw_text_2d("{0}ns".format(int((self.min_hit_time + self.max_hit_time) / 2)), width - 80, int(height/2))
if self.show_help:
self.display_help()
if self.show_info:
self.display_info()
def draw_colour_legend(self):
menubar_height = self.logo.size[1] + 4
width = glutGet(GLUT_WINDOW_WIDTH)
height = glutGet(GLUT_WINDOW_HEIGHT)
# Colour legend
left_x = width - 20
right_x = width - 10
min_y = menubar_height + 5
max_y = height - 20
time_step_size = math.ceil(self.max_hit_time / 20 / 50) * 50
hit_times = list(range(int(self.min_hit_time), int(self.max_hit_time), int(time_step_size)))
if len(hit_times) > 1:
segment_height = int((max_y - min_y) / len(hit_times))
glMatrixMode(GL_MODELVIEW)
glLoadIdentity()
glDisable(GL_LIGHTING)
glBegin(GL_QUADS)
for hit_time in hit_times:
segment_nr = hit_times.index(hit_time)
glColor3f(*self.spectrum(hit_time))
glVertex2f(left_x, max_y - segment_height * segment_nr)
glVertex2f(right_x, max_y - segment_height * segment_nr)
glColor3f(*self.spectrum(hit_time + time_step_size))
glVertex2f(left_x, max_y - segment_height * (segment_nr + 1))
glVertex2f(right_x, max_y - segment_height * (segment_nr + 1))
glEnd()
# Colour legend labels
self.colourist.now_text()
for hit_time in hit_times:
segment_nr = hit_times.index(hit_time)
draw_text_2d("{0:>5}ns".format(hit_time), width - 80, (height - max_y) + segment_height * segment_nr)
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
self.camera.is_rotating = False
if button == 3:
self.camera.distance = self.camera.distance + 2
if button == 4:
self.camera.distance = self.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 == "+"):
self.camera.distance = self.camera.distance - 50
if(key == "-"):
self.camera.distance = self.camera.distance + 50
if(key == "."):
self.min_tot += 0.5
self.reload_blob()
if(key == ","):
self.min_tot -= 0.5
self.reload_blob()
if(key == 'n'):
self.load_next_blob()
if(key == 'p'):
self.load_previous_blob()
if(key == 'u'):
self.toggle_secondaries()
if(key == 't'):
self.toggle_spectrum()
if(key == 'x'):
self.cmap = self.colourist.next_cmap
if(key == 'm'):
self.colourist.print_mode = not self.colourist.print_mode
self.load_logo()
if(key == 'a'):
self.camera.is_rotating = not self.camera.is_rotating
if(key == 'c'):
self.colourist.cherenkov_cone_enabled = \
not self.colourist.cherenkov_cone_enabled
if(key == "s"):
event_number = self.blob['start_event'][0]
try:
neutrino = self.blob['Neutrino']
except KeyError:
neutrino_str = ''
else:
neutrino_str = str(neutrino).replace(' ', '_').replace(',', '')
neutrino_str = neutrino_str.replace('Neutrino:', '')
screenshot_name = "RA_Event{0}_ToTCut{1}{2}_t{3}ns.png".format(
event_number,
self.min_tot,
neutrino_str,
int(self.clock.time)
)
self.save_screenshot(screenshot_name)
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):
self.camera.rotate_z(self.mouse_x - x)
self.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',
'a': 'enable/disable rotation animation',
'c': 'enable/disable Cherenkov cone',
't': 'toggle between spectra',
'u': 'toggle secondaries',
'x': 'cycle through colour schemes',
'm': 'toggle screen/print mode',
's': 'save screenshot (screenshot.png)',
'v': 'start/stop recording (Frame_XXXXX.jpg)',
'r': 'reset time',
'<space>': 'pause time',
'+ or -': 'zoom in/out',
', or .': 'decrease/increase min_tot by 0.5ns',
'<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}, ToT>{1}ns\n" \
.format(event_number, self.min_tot)
except KeyError:
pass
try:
neutrino = self.blob['Neutrino']
info_text += str(neutrino)
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):
draw_text_2d("FPS: {0:.1f}\nTime: {1:.0f} ns"
.format(self.clock.fps, self.clock.time),
10, 30)
draw_text_2d(self.blob_info, 150, 30)
def __init__(self, detector_file=None, event_file=None, min_tot=None,
skip_to_blob=0,
width=1000, height=700, x=50, y=50):
self.camera = Camera()
self.camera.is_rotating = True
self.colourist = Colourist()
current_path = os.path.dirname(os.path.abspath(__file__))
if not detector_file:
detector_file = os.path.join(current_path,
'data/km3net_jul13_90m_r1494_corrected.detx')
self.load_logo()
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 = skip_to_blob
self.is_recording = False
self.min_tot = min_tot
VERTEX_SHADER = compileShader("""
void main() {
gl_Position = gl_ModelViewProjectionMatrix * gl_Vertex;
}""", GL_VERTEX_SHADER)
FRAGMENT_SHADER = compileShader("""
void main() {
gl_FragColor = vec4(0.5, 0.5, 0.5, 1);
}""", GL_FRAGMENT_SHADER)
self.shader = compileProgram(VERTEX_SHADER, FRAGMENT_SHADER)
self.blob = None
self.objects = {}
self.shaded_objects = []
self.mouse_x = None
self.mouse_y = None
self.show_secondaries = True
self.show_help = False
self._help_string = None
self.show_info = True
self.spectrum = None
self.current_spectrum = 'default'
self.cmap = self.colourist.default_cmap
self.min_hit_time = None
self.max_hit_time = None
self.detector = Detector(detector_file)
dom_positions = self.detector.dom_positions
min_z = min([z for x, y, z in dom_positions])
max_z = max([z for x, y, z in dom_positions])
z_shift = (max_z - min_z) / 2
self.dom_positions = np.array([tuple(pos) for pos in dom_positions], 'f')
self.camera.target = Position((0, 0, z_shift))
self.dom_positions_vbo = vbo.VBO(self.dom_positions)
if event_file:
self.pump = EvtPump(filename=event_file)
try:
self.load_blob(skip_to_blob)
except IndexError:
print("Could not load blob at index {0}".format(skip_to_blob))
print("Starting from the first one...")
self.load_blob(0)
else:
print("No event file specified. Only the detector will be shown.")
self.clock.reset()
self.timer.reset()
glutMainLoop()
class RainbowAlga(object):
def __init__(self,
detector_file=None,
event_file=None,
min_tot=None,
skip_to_blob=0,
width=1000,
height=700,
x=50,
y=50):
self.camera = Camera()
self.camera.is_rotating = True
self.colourist = Colourist()
current_path = os.path.dirname(os.path.abspath(__file__))
if not detector_file:
filepath = 'data/km3net_jul13_90m_r1494_corrected.detx'
detector_file = os.path.join(current_path, filepath)
self.load_logo()
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 = skip_to_blob
self.is_recording = False
self.min_tot = min_tot
self.time_offset = 0
VERTEX_SHADER = compileShader(
"""
void main() {
gl_Position = gl_ModelViewProjectionMatrix * gl_Vertex;
}""", GL_VERTEX_SHADER)
FRAGMENT_SHADER = compileShader(
"""
void main() {
gl_FragColor = vec4(0.5, 0.5, 0.5, 1);
}""", GL_FRAGMENT_SHADER)
self.shader = compileProgram(VERTEX_SHADER, FRAGMENT_SHADER)
self.blob = None
self.objects = {}
self.shaded_objects = []
self.mouse_x = None
self.mouse_y = None
self.show_secondaries = True
self.show_help = False
self._help_string = None
self.show_info = True
self.spectrum = None
self.current_spectrum = 'default'
self.cmap = self.colourist.default_cmap
self.min_hit_time = None
self.max_hit_time = None
if detector_file.endswith('.detx'):
self.detector = Detector(filename=detector_file)
self.geometry = Calibration(filename=detector_file)
else:
self.detector = Detector(det_id=detector_file)
self.geometry = Calibration(det_id=detector_file)
dom_pos = self.detector.dom_positions.values()
min_z = min([z for x, y, z in dom_pos])
max_z = max([z for x, y, z in dom_pos])
z_shift = (max_z - min_z) / 2
self.dom_positions = np.array([tuple(pos) for pos in dom_pos], 'f')
self.camera.target = Vec3(0, 0, z_shift)
self.dom_positions_vbo = vbo.VBO(self.dom_positions)
if event_file:
self.pump = GenericPump(event_file)
try:
self.load_blob(skip_to_blob)
except IndexError:
print("Could not load blob at index {0}".format(skip_to_blob))
print("Starting from the first one...")
self.load_blob(0)
else:
print("No event file specified. Only the detector will be shown.")
self.clock.reset()
self.timer.reset()
glutMainLoop()
def load_logo(self):
if self.colourist.print_mode:
image = 'images/km3net_logo_print.bmp'
else:
image = 'images/km3net_logo.bmp'
current_path = os.path.dirname(os.path.abspath(__file__))
image_path = os.path.join(current_path, image)
self.logo = Image.open(image_path)
# 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)
self.logo_bytes = self.logo.tobytes("raw", "RGB", 0, -1)
def load_blob(self, index=0):
print("Loading blob {0}...".format(index))
blob = self.blob = self.pump.get_blob(index)
self.objects = {}
self.shaded_objects = []
self.time_offset = 0
try:
self.add_neutrino(blob)
except TypeError:
pass
self.add_mc_tracks(blob)
self.add_reco_tracks(blob)
self.initialise_spectrum(blob, style=self.current_spectrum)
def reload_blob(self):
self.load_blob(self.event_index)
def initialise_spectrum(self, blob, style="default"):
if style == 'default':
hits = self.extract_hits(blob)
if hits is None:
return
hits = self.remove_hidden_hits(hits)
hit_times = hits.time
if len(hit_times) == 0:
log.warn("No hits left after applying cuts.")
return
self.min_hit_time = min(hit_times)
self.max_hit_time = max(hit_times)
self.time_offset = self.min_hit_time
self.clock._global_offset = self.min_hit_time / self.clock.speed
def spectrum(time, hit=None):
min_time = self.min_hit_time
max_time = self.max_hit_time
diff = max_time - min_time
one_percent = diff / 100
try:
progress = (time - min_time) / one_percent / 100
except ZeroDivisionError:
progress = 0
return tuple(self.cmap(progress))[:3]
self.spectrum = spectrum
if style in [
'time_residuals_point_source', 'time_residuals_cherenkov_cone'
]:
try:
track_ins = blob['McTracks']
except KeyError:
log.error("No tracks found to determine Cherenkov parameters!")
self.current_spectrum = "default"
return
# most_energetic_muon = max(track_ins, key=lambda t: t.E)
muon_pos = np.mean(track_ins.pos)
muon_dir = track_ins.dir[0]
# if not pdg2name(most_energetic_muon.particle_type) \
# in ['mu-', 'mu+']:
# log.error("No muon found to determine Cherenkov parameters!")
# self.current_spectrum = "default"
# return
hits = self.extract_hits(blob)
if hits is None:
return
hits = self.first_om_hits(hits)
def cherenkov_time(pmt_pos):
"""Calculates Cherenkov arrival time in [ns]"""
v = pmt_pos - muon_pos
l = v.dot(muon_dir)
k = np.sqrt(v.dot(v) - l**2)
v_g = constants.c_water_km3net
theta = constants.theta_cherenkov_water_km3net
a_1 = k / np.tan(theta)
a_2 = k / np.sin(theta)
t_c = 1 / constants.c * (l - a_1) + 1 / v_g * a_2
return t_c * 1e9
def point_source_time(pmt_pos):
"""Calculates cherenkov arrival time with cascade hypothesis"""
vertex_pos = blob['Neutrino'].pos
v = pmt_pos - vertex_pos
v = np.sqrt(v.dot(v))
v_g = constants.c_water_antares
t_c = v / v_g
return t_c * 1e9 + blob['Neutrino'].time
self.min_hit_time = -100
self.max_hit_time = 100
def spectrum(time, hit=None):
if hit:
pmt_pos = self._get_pmt_pos_from_hit(hit)
if not hit.t_cherenkov:
if style == 'time_residuals_point_source':
t_c = point_source_time(pmt_pos)
elif style == 'time_residuals_cherenkov_cone':
t_c = cherenkov_time(pmt_pos)
hit.t_cherenkov = t_c
log.debug("Hit time: {0}, Expected: {1}, "
"Time Residual: {2}".format(
time, t_c, time - t_c))
time = time - hit.t_cherenkov
diff = self.max_hit_time - self.min_hit_time
one_percent = diff / 100
try:
progress = (time - self.min_hit_time) / one_percent / 100
if progress > 1:
progress = 1
except ZeroDivisionError:
progress = 0
return tuple(self.cmap(progress))[:3]
self.spectrum = spectrum
def toggle_spectrum(self):
if self.current_spectrum == 'default':
print('cherenkov')
self.current_spectrum = 'time_residuals_cherenkov_cone'
elif self.current_spectrum == 'time_residuals_cherenkov_cone':
print('cherenkov')
self.current_spectrum = 'time_residuals_point_source'
else:
print('default')
self.current_spectrum = 'default'
self.reload_blob()
def remove_hidden_hits(self, hits):
log.debug("Skipping removing hidden hits")
for hit in hits:
rb_hit = Hit(hit.pos_x, hit.pos_y, hit.pos_z, hit.time, 0, 0,
hit.tot)
self.shaded_objects.append(rb_hit)
return hits
log.debug("Removing hidden hits")
om_hit_map = {}
om_combs = set(zip(hits.du, hits.floor))
for om_comb in om_combs:
du, floor = om_comb
om_hit_map[om_comb] = hits[(hits.du == du) & (hits.floor == floor)]
print(om_hit_map)
for hit in hits:
x, y, z = hit.pos_x, hit.pos_y, hit.pos_z
rb_hit = Hit(x, y, z, hit.time, hit.pmt_id, hit.id, hit.tot)
om_hit_map.setdefault(line_floor, []).append(rb_hit)
hits = []
for om, om_hits in om_hit_map.items():
largest_hit = None
for hit in om_hits:
if largest_hit:
if hit.tot > largest_hit.tot:
hidden_hits = om_hits[:om_hits.index(hit)]
hit.replaces_hits = hidden_hits
hits.append(hit)
self.shaded_objects.append(hit)
largest_hit = hit
else:
hits.append(hit)
self.shaded_objects.append(hit)
largest_hit = hit
print("Number of hits after removing hidden ones: {0}".format(
len(hits)))
return hits
def first_om_hits(self, hits):
log.debug("Entering first_om_hits()")
print(hits.time)
om_hit_map = {}
for hit in hits:
if hit.time < 0:
continue
x, y, z = self._get_pmt_pos_from_hit(hit)
rb_hit = Hit(x, y, z, hit.time, hit.pmt_id, hit.id, hit.tot)
try: # EVT file
line_floor = self.detector.pmtid2omkey(hit.pmt_id)[:2]
except KeyError: # Other files
line, floor, _ = self.detector.doms[hit.dom_id]
line_floor = line, floor
om_hit_map.setdefault(line_floor, []).append(rb_hit)
hits = []
for om, om_hits in om_hit_map.items():
first_hit = om_hits[0]
self.shaded_objects.append(first_hit)
hits.append(first_hit)
print("Number of first OM hits: {0}".format(len(hits)))
return hits
def extract_hits(self, blob):
log.debug("Entering extract_hits()")
if 'Hits' not in blob:
log.error("No hits found in the blob!")
return
print(blob['Hits'])
hits = self.geometry.apply(blob['Hits'])
print("Number of hits: {0}".format(len(hits)))
if self.min_tot:
hits = hits[hits.tot > self.min_tot]
print("Number of hits after ToT={0} cut: {1}".format(
self.min_tot, len(hits)))
if not self.min_tot and len(hits) > 500:
print("Warning: consider applying a ToT filter to reduce the "
"amount of hits, according to your graphic cards "
"performance!")
if len(hits) == 0:
log.warning("No hits remaining after applying the ToT cut")
return
return hits.sorted(by='time')
def add_neutrino(self, blob):
"""Add the neutrino to the scene."""
if 'Neutrino' not in blob:
return
print(neutrino)
pos = neutrino.pos
particle = Neutrino(pos[0], pos[1], pos[2], neutrino.dir.x,
neutrino.dir.y, neutrino.dir.z, 0)
particle.color = (1.0, 0.0, 0.0)
particle.line_width = 3
self.objects.setdefault("neutrinos", []).append(particle)
def add_mc_tracks(self, blob):
"""Find MC particles and add them to the objects to render."""
try:
track_ins = blob['McTracks']
except KeyError:
print("No MCTracks found.")
return
event_info = blob['EventInfo']
timestamp_in_ns = event_info.timestamp * 1e9 + event_info.nanoseconds
from km3modules.mc import convert_mc_times_to_jte_times
time_converter = np.frompyfunc(convert_mc_times_to_jte_times, 3, 1)
track_ins['time'] = time_converter(track_ins.time, timestamp_in_ns,
event_info.mc_time)
# print(track_ins)
# try:
# highest_energetic_track = max(track_ins, key=lambda t: t.E)
# # highest_energy = highest_energetic_track.E
# except AttributeError: # hdf5 mc tracks are not implemented yet
# highest_energetic_track = max(track_ins, key=lambda t: t.energy)
# # highest_energy = highest_energetic_track.energy
for track in track_ins:
particle_type = track.type
energy = track.energy
track_length = np.abs(track.length)
print("Track length: {0}".format(track_length))
if particle_type in (0, 22): # skip unknowns, photons
continue
# if angle_between(highest_energetic_track.dir, track.dir) > 0.035:
# # TODO: make this realistic!
# # skip if angle too large
# continue
# # if particle_type not in (-11, 11, -13, 13, -15, 15):
# # # TODO: make this realistic!
# # track_length = 200 * energy / highest_energy
particle = Particle(
track.pos_x,
track.pos_y,
track.pos_z,
track.dir_x,
track.dir_y,
track.dir_z,
track.time,
constants.c,
self.colourist,
energy,
length=track_length)
particle.hidden = not self.show_secondaries
# if track.id == highest_energetic_track.id:
# particle.color = (0.0, 1.0, 0.2)
# particle.line_width = 3
# particle.cherenkov_cone_enabled = True
# particle.hidden = False
self.objects.setdefault("mc_tracks", []).append(particle)
def add_reco_tracks(self, blob):
"""Find reco particles and add them to the objects to render."""
pass
# try:
# reco = blob['RecoTrack']
# except (KeyError, TypeError):
# return
# particle = ParticleFit(track.pos.x, track.pos.y, track.pos.z,
# track.dir.x, track.dir.y, track.dir.z,
# constants.c, track.ts, track.te)
# dir = Direction((-0.05529533412, -0.1863083737, -0.9809340528))
# pos = Position(( 128.9671546, 135.4618441, 397.8256624))
# self.camera.target = Position(( 128.9671546, 135.4618441, 397.8256624))
# # pos.z += 405.93
# offset = 0
# pos = pos + offset*dir
# t_offset = offset / constants.c_water_km3net * 1e9
# #t_0 = 86355000.1 - t_offset
# t_0 = 86358182.1
# print(t_offset)
# print(t_0)
# print(constants.c)
# particle = Particle(pos.x, pos.y, pos.z,
# dir.x, dir.y, dir.z, t_0,
# constants.c, self.colourist, 1e4)
# # particle.cherenkov_cone_enabled = True
# particle.hidden = False
# particle.line_width = 3
# self.objects.setdefault("reco_tracks", []).append(particle)
def toggle_secondaries(self):
self.show_secondaries = not self.show_secondaries
secondaries = self.objects["mc_tracks"]
for secondary in secondaries:
secondary.hidden = not self.show_secondaries
highest_energetic = max(secondaries, key=lambda s: s.energy)
if highest_energetic:
highest_energetic.hidden = False
def load_next_blob(self):
print("Loading next blob")
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)
# Transparency
glEnable(GL_BLEND)
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA)
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)
self.colourist.now_background()
if self.camera.is_rotating:
self.camera.rotate_z(0.2)
self.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 itertools.chain.from_iterable(self.objects.values()):
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):
logo = self.logo
logo_bytes = self.logo_bytes
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()
glShadeModel(GL_SMOOTH)
glClear(GL_DEPTH_BUFFER_BIT)
try:
self.draw_colour_legend()
except TypeError:
pass
glPushMatrix()
glLoadIdentity()
glRasterPos(4, logo.size[1] + 4)
glDrawPixels(logo.size[0], logo.size[1], GL_RGB, GL_UNSIGNED_BYTE,
logo_bytes)
glPopMatrix()
glMatrixMode(GL_PROJECTION)
glPopMatrix()
glMatrixMode(GL_MODELVIEW)
self.colourist.now_text()
if self.show_help:
self.display_help()
if self.show_info:
self.display_info()
def draw_colour_legend(self):
menubar_height = self.logo.size[1] + 4
width = glutGet(GLUT_WINDOW_WIDTH)
height = glutGet(GLUT_WINDOW_HEIGHT)
# Colour legend
left_x = width - 20
right_x = width - 10
min_y = menubar_height + 5
max_y = height - 20
time_step_size = math.ceil(
(self.max_hit_time - self.min_hit_time) / 20 / 50) * 50
hit_times = list(
range(
int(self.min_hit_time), int(self.max_hit_time),
int(time_step_size)))
if len(hit_times) > 1:
segment_height = int((max_y - min_y) / len(hit_times))
glMatrixMode(GL_MODELVIEW)
glLoadIdentity()
glDisable(GL_LIGHTING)
glBegin(GL_QUADS)
for hit_time in hit_times:
segment_nr = hit_times.index(hit_time)
glColor3f(*self.spectrum(hit_time))
glVertex2f(left_x, max_y - segment_height * segment_nr)
glVertex2f(right_x, max_y - segment_height * segment_nr)
glColor3f(*self.spectrum(hit_time + time_step_size))
glVertex2f(left_x, max_y - segment_height * (segment_nr + 1))
glVertex2f(right_x, max_y - segment_height * (segment_nr + 1))
glEnd()
# Colour legend labels
self.colourist.now_text()
for hit_time in hit_times:
segment_nr = hit_times.index(hit_time)
draw_text_2d(
"{0:>5}ns".format(int(hit_time - self.time_offset)),
width - 80, (height - max_y) + segment_height * segment_nr)
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):
width = glutGet(GLUT_WINDOW_WIDTH)
if button == GLUT_LEFT_BUTTON:
if state == GLUT_DOWN:
if x > width - 70:
self.drag_mode = 'spectrum'
else:
self.drag_mode = 'rotate'
self.camera.is_rotating = False
self.mouse_x = x
self.mouse_y = y
if state == GLUT_UP:
self.drag_mode = None
if button == 3:
self.camera.distance = self.camera.distance + 2
if button == 4:
self.camera.distance = self.camera.distance - 2
def keyboard(self, key, x, y):
log.debug("Key {} pressed".format(key))
if (key == b"r"):
self.clock.reset()
if (key == b"h"):
self.show_help = not self.show_help
if (key == b'i'):
self.show_info = not self.show_info
if (key == b"+"):
self.camera.distance = self.camera.distance - 50
if (key == b"-"):
self.camera.distance = self.camera.distance + 50
if (key == b"."):
self.min_tot += 0.5
self.reload_blob()
if (key == b","):
self.min_tot -= 0.5
self.reload_blob()
if (key == b'n'):
self.load_next_blob()
if (key == b'p'):
self.load_previous_blob()
if (key == b'u'):
self.toggle_secondaries()
if (key == b't'):
self.toggle_spectrum()
if (key == b'x'):
self.cmap = self.colourist.next_cmap
if (key == b'm'):
self.colourist.print_mode = not self.colourist.print_mode
self.load_logo()
if (key == b'a'):
self.camera.is_rotating = not self.camera.is_rotating
if (key == b'c'):
self.colourist.cherenkov_cone_enabled = \
not self.colourist.cherenkov_cone_enabled
if (key == b"s"):
event_number = self.blob['start_event'][0]
try:
neutrino = self.blob['Neutrino']
except KeyError:
neutrino_str = ''
else:
neutrino_str = str(neutrino).replace(' ', '_').replace(',', '')
neutrino_str = neutrino_str.replace('Neutrino:', '')
screenshot_name = "RA_Event{0}_ToTCut{1}{2}_t{3}ns.png".format(
event_number, self.min_tot, neutrino_str, int(self.clock.time))
self.save_screenshot(screenshot_name)
if (key == b'v'):
self.frame_index = 0
self.is_recording = not self.is_recording
if (key == b" "):
if self.clock.is_paused:
self.clock.resume()
else:
self.clock.pause()
if (key in (b'q', b'\x1b')):
raise SystemExit
def special_keyboard(self, key, x, z):
if key == GLUT_KEY_LEFT:
self.clock.rewind(300)
if key == GLUT_KEY_RIGHT:
self.clock.fast_forward(300)
def drag(self, x, y):
if self.drag_mode == 'rotate':
self.camera.rotate_z(self.mouse_x - x)
self.camera.move_z(-(self.mouse_y - y) * 8)
if self.drag_mode == 'spectrum':
self.min_hit_time += (self.mouse_y - y) * 10
self.max_hit_time += (self.mouse_y - y) * 10
self.max_hit_time -= (self.mouse_x - x) * 10
self.min_hit_time += (self.mouse_x - x) * 10
self.min_hit_time = base_round(self.min_hit_time, 10)
self.max_hit_time = base_round(self.max_hit_time, 10)
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.frombytes(
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',
'a': 'enable/disable rotation animation',
'c': 'enable/disable Cherenkov cone',
't': 'toggle between spectra',
'u': 'toggle secondaries',
'x': 'cycle through colour schemes',
'm': 'toggle screen/print mode',
's': 'save screenshot (screenshot.png)',
'v': 'start/stop recording (Frame_XXXXX.jpg)',
'r': 'reset time',
'<space>': 'pause time',
'+ or -': 'zoom in/out',
', or .': 'decrease/increase min_tot by 0.5ns',
'<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 = ''
if 'start_event' in self.blob:
event_number = self.blob['start_event'][0]
info_text += "Event #{0}, ToT>{1}ns\n" \
.format(event_number, self.min_tot)
if 'Neutrion' in self.blob:
neutrino = self.blob['Neutrino']
info_text += str(neutrino)
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):
draw_text_2d(
"FPS: {0:.1f}\nTime: {1:.0f} (+{2:.0f}) ns".format(
self.clock.fps, self.clock.time - self.time_offset,
self.time_offset), 10, 30)
draw_text_2d(self.blob_info, 150, 30)