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#!/usr/bin/env python
#-*- coding: UTF-8 -*-
"""
This module demonstrates the functionality of PyAssimp.
"""
import sys
import logging
logging.basicConfig(level=logging.INFO)
import pyassimp
import pyassimp.postprocess
def recur_node(node,level = 0):
print(" " + "\t" * level + "- " + str(node))
for child in node.children:
recur_node(child, level + 1)
def main(filename=None):
scene = pyassimp.load(filename, processing=pyassimp.postprocess.aiProcess_Triangulate)
#the model we load
print("MODEL:" + filename)
print
#write some statistics
print("SCENE:")
print(" meshes:" + str(len(scene.meshes)))
print(" materials:" + str(len(scene.materials)))
print(" textures:" + str(len(scene.textures)))
print
print("NODES:")
recur_node(scene.rootnode)
print
print("MESHES:")
for index, mesh in enumerate(scene.meshes):
print(" MESH" + str(index+1))
print(" material id:" + str(mesh.materialindex+1))
print(" vertices:" + str(len(mesh.vertices)))
print(" first 3 verts:\n" + str(mesh.vertices[:3]))
if mesh.normals.any():
print(" first 3 normals:\n" + str(mesh.normals[:3]))
else:
print(" no normals")
print(" colors:" + str(len(mesh.colors)))
tcs = mesh.texturecoords
if tcs.any():
for tc_index, tc in enumerate(tcs):
print(" texture-coords "+ str(tc_index) + ":" + str(len(tcs[tc_index])) + "first3:" + str(tcs[tc_index][:3]))
else:
print(" no texture coordinates")
print(" uv-component-count:" + str(len(mesh.numuvcomponents)))
print(" faces:" + str(len(mesh.faces)) + " -> first:\n" + str(mesh.faces[:3]))
print(" bones:" + str(len(mesh.bones)) + " -> first:" + str([str(b) for b in mesh.bones[:3]]))
print
print("MATERIALS:")
for index, material in enumerate(scene.materials):
print(" MATERIAL (id:" + str(index+1) + ")")
for key, value in material.properties.items():
print(" %s: %s" % (key, value))
print
print("TEXTURES:")
for index, texture in enumerate(scene.textures):
print(" TEXTURE" + str(index+1))
print(" width:" + str(texture.width))
print(" height:" + str(texture.height))
print(" hint:" + str(texture.achformathint))
print(" data (size):" + str(len(texture.data)))
# Finally release the model
pyassimp.release(scene)
def usage():
print("Usage: sample.py <3d model>")
if __name__ == "__main__":
if len(sys.argv) != 2:
usage()
else:
main(sys.argv[1])
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