animate_particles.py 4.05 KB
Newer Older
1 2 3 4
# -*- coding: utf-8 -*-
# animate_particles.py - Animate HEP events
#
#   For console only rendering (example):
5
#   $ blender -noaudio --background -P animate_particles.py -- -radius=0.05 -duration=1 -camera="BarrelCamera" -datafile="esd-detail.dat" -n_event=0 -simulated_t=0.02 -fps=24 -resolution=100 -transparency=1.2 -stamp_note="Texto no canto" -its=1 -tpc=0 -trd=1 -emcal=0 -blendersave=0 -picpct=5
6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36
#

import os
import bpy

import argparse
import sys

# Pass on command line arguments to script:
class ArgumentParserForBlender(argparse.ArgumentParser):
    def _get_argv_after_doubledash(self):
        try:
            idx = sys.argv.index("--")
            return sys.argv[idx+1:] # the list after '--'
        except ValueError as e: # '--' not in the list:
            return []

    # overrides superclass
    def parse_args(self):
        return super().parse_args(args=self._get_argv_after_doubledash())

parser = ArgumentParserForBlender()

parser.add_argument('-radius','--r_part')
parser.add_argument('-duration','--duration')
parser.add_argument('-camera','--render_camera')
parser.add_argument('-datafile','--datafile')
parser.add_argument('-simulated_t','--simulated_t')
parser.add_argument('-fps','--fps')
parser.add_argument('-resolution','--resolution_percent')
parser.add_argument('-stamp_note','--stamp_note')
37
parser.add_argument('-n_event','--n_event')
38
parser.add_argument('-transparency','--transp_par')
39 40 41 42
parser.add_argument('-its','--its')
parser.add_argument('-tpc','--tpc')
parser.add_argument('-trd','--trd')
parser.add_argument('-emcal','--emcal')
43
parser.add_argument('-blendersave','--blendersave')
44
parser.add_argument('-picpct','--picpct')
45 46 47
args = parser.parse_args()

bpy.context.user_preferences.view.show_splash = False
48
# Import Drivers, particles and scence functions:
49 50 51 52 53
filename = os.path.join(os.path.basename(bpy.data.filepath), "drivers.py")
exec(compile(open(filename).read(), filename, 'exec'))

# Set animation parameters
r_part = float(args.r_part) # Particle radius
54
n_event = str(args.n_event) # Event number for video name
55 56 57 58
simulated_t = float(args.simulated_t) # in microsseconds
duration = int(args.duration) # in seconds
fps = int(args.fps)
resolution_percent = int(args.resolution_percent)
59
stamp_note = args.stamp_note
60
transp_par = float(args.transp_par)
61
datafile = str(args.datafile)
62
detectors = [int(args.its),int(args.tpc),int(args.trd),int(args.emcal)] # Array that stores which detectors to build
63
blendersave = int(args.blendersave) # 1 (save Blender file) or 0 (don't)
64
picpct = int(args.picpct) # percentage of animation to take picture
65 66

#configure output
67
outputPath = "/tmp/alice_blender/"
68
fileIdentifier = "PhysicalTrajectories_"
69
##  RenderCameras: ["ForwardCamera", "OverviewCamera", "AntiOverviewCamera", "BarrelCamera"]
70 71 72
renderCamera= args.render_camera

renderAnimation = True # True
73
saveBlenderFile = blendersave # False
74 75 76 77 78 79 80 81 82

"""
# Create and configure animation driver
n_particles = 100 # Event Multiplicity
driver = genDriver("GaussianGenerator",n_particles,3.0) # Simple genDriver takes two parameters: number of particles and Gaussian width
driver.configure(renderCamera, duration, fps, simulated_t, outputPath, fileIdentifier, resolution_percent)
"""

# Create and configure animation driver
83
driver = dataDriver("AlirootFileGenerator",n_event,datafile) # Simple dataDriver
84 85 86
driver.configure(renderCamera, duration, fps, simulated_t, outputPath, fileIdentifier, resolution_percent)

### Build scene
87
init(stamp_note,renderCamera,transp_par,detectors) # Cleanup, addCameras, addALICE_TPC
88 89 90 91 92 93
particles = driver.getParticles()
blender_particles, blender_tracks = createSceneParticles(particles,createTracks = True) # Create blender objects - one sphere per particle

#Animate scene using driver
animate(blender_particles,particles,driver)
animate_tracks(blender_tracks,particles,driver)
94
take_picture(picpct,driver)
95 96 97 98

bpy.context.scene.frame_current = 24

## Save blender file
99
if saveBlenderFile: bpy.ops.wm.save_as_mainfile(filepath=outputPath+fileIdentifier+"AlirootFileGenerator_"+datafile+"_Event_"+n_event+"_"+renderCamera+".blend")
100 101 102 103 104

# Render animation
if renderAnimation: driver.render()

#exit()