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#!/usr/bin/env python
import collada
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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