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#!/usr/bin/env python
import collada
import numpy
import sys
def inspectController(controller):
"""Display contents of a controller object found in the scene."""
print ' Controller (id=%s) (type=%s)' % (controller.skin.id, type(controller).__name__)
print ' Vertex weights:%d, joints:%d' % (len(controller), len(controller.joint_matrices))
for controlled_prim in controller.primitives():
print ' Primitive', type(controlled_prim.primitive).__name__
def inspectGeometry(obj):
"""Display contents of a geometry object found in the scene."""
materials = set()
for prim in obj.primitives():
materials.add( prim.material )
print ' Geometry (id=%s): %d primitives'%(obj.original.id, len(obj))
for prim in obj.primitives():
print ' Primitive (type=%s): len=%d vertices=%d' % (type(prim).__name__, len(prim), len(prim.vertex))
for mat in materials:
if mat: inspectMaterial( mat )
def inspectMaterial(mat):
"""Display material contents."""
print ' Material %s: shading %s'%(mat.effect.id, mat.effect.shadingtype)
for prop in mat.effect.supported:
value = getattr(mat.effect, prop)
# it can be a float, a color (tuple) or a Map ( a texture )
if isinstance(value, collada.material.Map):
colladaimage = value.sampler.surface.image
# Accessing this attribute forces the loading of the image
# using PIL if available. Unless it is already loaded.
img = colladaimage.pilimage
if img: # can read and PIL available
print ' %s = Texture %s:'%(prop, colladaimage.id),\
img.format, img.mode, img.size
else:
print ' %s = Texture %s: (not available)'%(
prop, colladaimage.id)
else:
print ' %s ='%(prop), value
def inspectCollada(col):
# Display the file contents
print 'File Contents:'
print ' Geometry:'
if col.scene is not None:
for geom in col.scene.objects('geometry'):
inspectGeometry( geom )
print ' Controllers:'
if col.scene is not None:
for controller in col.scene.objects('controller'):
inspectController( controller )
print ' Cameras:'
if col.scene is not None:
for cam in col.scene.objects('camera'):
print ' Camera %s: '%cam.original.id
print ' Lights:'
if col.scene is not None:
for light in col.scene.objects('light'):
print ' Light %s: color =' % light.original.id, light.color
if not col.errors: print 'File read without errors'
else:
print 'Errors:'
for error in col.errors:
print ' ', error
if __name__ == '__main__':
filename = sys.argv[1] if len(sys.argv) > 1 else 'misc/base.zip'
# open COLLADA file ignoring some errors in case they appear
col = collada.Collada(filename, ignore=[collada.DaeUnsupportedError,
collada.DaeBrokenRefError])
inspectCollada(col)
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