/usr/share/pyshared/collada/tests/test_iteration.py is in python-collada 0.4-2.
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1 2 3 4 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 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 | import numpy
from collada.xmlutil import etree
fromstring = etree.fromstring
tostring = etree.tostring
import collada
from collada.util import unittest
class TestIteration(unittest.TestCase):
def setUp(self):
self.dummy = collada.Collada(validate_output=True)
def test_triangle_iterator_vert_normals(self):
mesh = collada.Collada(validate_output=True)
vert_floats = [-50,50,50,50,50,50,-50,-50,50,50,-50,50,-50,50,-50,50,50,-50,-50,-50,-50,50,-50,-50]
normal_floats = [0,0,1,0,0,1,0,0,1,0,0,1,0,1,0,0,1,0,0,1,0,0,1,0,0,-1,0,0,-1,0,0,-1,0,0,-1,0,-1,0,0,
-1,0,0,-1,0,0,-1,0,0,1,0,0,1,0,0,1,0,0,1,0,0,0,0,-1,0,0,-1,0,0,-1,0,0,-1]
vert_src = collada.source.FloatSource("cubeverts-array", numpy.array(vert_floats), ('X', 'Y', 'Z'))
normal_src = collada.source.FloatSource("cubenormals-array", numpy.array(normal_floats), ('X', 'Y', 'Z'))
geometry = collada.geometry.Geometry(mesh, "geometry0", "mycube", [vert_src, normal_src], [])
input_list = collada.source.InputList()
input_list.addInput(0, 'VERTEX', "#cubeverts-array")
input_list.addInput(1, 'NORMAL', "#cubenormals-array")
indices = numpy.array([0,0,2,1,3,2,0,0,3,2,1,3,0,4,1,5,5,6,0,4,5,6,4,7,6,8,7,9,3,10,6,8,3,10,2,11,0,12,
4,13,6,14,0,12,6,14,2,15,3,16,7,17,5,18,3,16,5,18,1,19,5,20,7,21,6,22,5,20,6,22,4,23])
triangleset = geometry.createTriangleSet(indices, input_list, "cubematerial")
geometry.primitives.append(triangleset)
mesh.geometries.append(geometry)
geomnode = collada.scene.GeometryNode(geometry, [])
mynode = collada.scene.Node('mynode6', children=[geomnode], transforms=[])
scene = collada.scene.Scene('myscene', [mynode])
mesh.scenes.append(scene)
mesh.scene = scene
mesh.save()
geoms = list(mesh.scene.objects('geometry'))
self.assertEqual(len(geoms), 1)
prims = list(geoms[0].primitives())
self.assertEqual(len(prims), 1)
tris = list(prims[0])
self.assertEqual(len(tris), 12)
self.assertEqual(list(tris[0].vertices[0]), [-50.0, 50.0, 50.0])
self.assertEqual(list(tris[0].vertices[1]), [-50.0, -50.0, 50.0])
self.assertEqual(list(tris[0].vertices[2]), [50.0, -50.0, 50.0])
self.assertEqual(list(tris[0].normals[0]), [0.0, 0.0, 1.0])
self.assertEqual(list(tris[0].normals[1]), [0.0, 0.0, 1.0])
self.assertEqual(list(tris[0].normals[2]), [0.0, 0.0, 1.0])
self.assertEqual(tris[0].texcoords, [])
self.assertEqual(tris[0].material, None)
self.assertEqual(list(tris[0].indices), [0, 2, 3])
self.assertEqual(list(tris[0].normal_indices), [0, 1, 2])
self.assertEqual(tris[0].texcoord_indices, [])
def test_polylist_iterator_vert_normals(self):
mesh = collada.Collada(validate_output=True)
vert_floats = [-50,50,50,50,50,50,-50,-50,50,50,-50,50,-50,50,-50,50,50,-50,-50,-50,-50,50,-50,-50]
normal_floats = [0,0,1,0,0,1,0,0,1,0,0,1,0,1,0,0,1,0,0,1,0,0,1,0,0,-1,0,0,-1,0,0,-1,0,0,-1,0,-1,0,0,
-1,0,0,-1,0,0,-1,0,0,1,0,0,1,0,0,1,0,0,1,0,0,0,0,-1,0,0,-1,0,0,-1,0,0,-1]
vert_src = collada.source.FloatSource("cubeverts-array", numpy.array(vert_floats), ('X', 'Y', 'Z'))
normal_src = collada.source.FloatSource("cubenormals-array", numpy.array(normal_floats), ('X', 'Y', 'Z'))
geometry = collada.geometry.Geometry(mesh, "geometry0", "mycube", [vert_src, normal_src], [])
input_list = collada.source.InputList()
input_list.addInput(0, 'VERTEX', "#cubeverts-array")
input_list.addInput(1, 'NORMAL', "#cubenormals-array")
vcounts = numpy.array([4,4,4,4,4,4])
indices = numpy.array([0,0,2,1,3,2,1,3,0,4,1,5,5,6,4,7,6,8,7,9,3,10,2,11,0,12,4,13,6,14,2,
15,3,16,7,17,5,18,1,19,5,20,7,21,6,22,4,23])
polylist = geometry.createPolylist(indices, vcounts, input_list, "cubematerial")
geometry.primitives.append(polylist)
mesh.geometries.append(geometry)
geomnode = collada.scene.GeometryNode(geometry, [])
mynode = collada.scene.Node('mynode6', children=[geomnode], transforms=[])
scene = collada.scene.Scene('myscene', [mynode])
mesh.scenes.append(scene)
mesh.scene = scene
mesh.save()
geoms = list(mesh.scene.objects('geometry'))
self.assertEqual(len(geoms), 1)
prims = list(geoms[0].primitives())
self.assertEqual(len(prims), 1)
poly = list(prims[0])
self.assertEqual(len(poly), 6)
self.assertEqual(list(poly[0].vertices[0]), [-50.0, 50.0, 50.0])
self.assertEqual(list(poly[0].vertices[1]), [-50.0, -50.0, 50.0])
self.assertEqual(list(poly[0].vertices[2]), [50.0, -50.0, 50.0])
self.assertEqual(list(poly[0].normals[0]), [0.0, 0.0, 1.0])
self.assertEqual(list(poly[0].normals[1]), [0.0, 0.0, 1.0])
self.assertEqual(list(poly[0].normals[2]), [0.0, 0.0, 1.0])
self.assertEqual(poly[0].texcoords, [])
self.assertEqual(poly[0].material, None)
self.assertEqual(list(poly[0].indices), [0, 2, 3, 1])
self.assertEqual(list(poly[0].normal_indices), [0, 1, 2, 3])
self.assertEqual(poly[0].texcoord_indices, [])
tris = list(poly[0].triangles())
self.assertEqual(list(tris[0].vertices[0]), [-50.0, 50.0, 50.0])
self.assertEqual(list(tris[0].vertices[1]), [-50.0, -50.0, 50.0])
self.assertEqual(list(tris[0].vertices[2]), [50.0, -50.0, 50.0])
self.assertEqual(list(tris[0].normals[0]), [0.0, 0.0, 1.0])
self.assertEqual(list(tris[0].normals[1]), [0.0, 0.0, 1.0])
self.assertEqual(list(tris[0].normals[2]), [0.0, 0.0, 1.0])
self.assertEqual(tris[0].texcoords, [])
self.assertEqual(tris[0].material, None)
self.assertEqual(list(tris[0].indices), [0, 2, 3])
self.assertEqual(list(tris[0].normal_indices), [0, 1, 2])
self.assertEqual(tris[0].texcoord_indices, [])
if __name__ == '__main__':
unittest.main()
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