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collada.polygons.Polygons

class collada.polygons.Polygons(sources, material, polygons, xmlnode=None)

Bases: collada.polylist.Polylist

Class containing the data COLLADA puts in a <polygons> tag, a collection of polygons that can have holes.

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__init__(sources, material, polygons, xmlnode=None)

A Polygons should not be created manually. Instead, call the collada.geometry.Geometry.createPolygons() method after creating a geometry instance.

Methods

__init__(sources, material, polygons[, xmlnode]) A Polygons should not be created manually. Instead, call the
bind(matrix, materialnodebysymbol) Create a bound polygons from this polygons, transform and material mapping
load(collada, localscope, node)
save()
triangleset() This performs a simple triangulation of the polylist using the fanning method.

Attributes

normal Read-only numpy.array of size Nx3 where N is the number of normal values in the
normal_index Read-only numpy.array of size Nx3 where N is the number of vertices in the primitive.
texcoord_indexset Read-only tuple of texture coordinate index arrays.
texcoordset Read-only tuple of texture coordinate arrays.
vertex Read-only numpy.array of size Nx3 where N is the number of vertex points in the
vertex_index Read-only numpy.array of size Nx3 where N is the number of vertices in the primitive.
bind(matrix, materialnodebysymbol)

Create a bound polygons from this polygons, transform and material mapping

getInputList()

Gets a collada.source.InputList representing the inputs from a primitive

normal

Read-only numpy.array of size Nx3 where N is the number of normal values in the primitive’s normal source array.

normal_index

Read-only numpy.array of size Nx3 where N is the number of vertices in the primitive. To get the actual normal values, one can use this array to select into the normals array, e.g. normal[normal_index].

texbinormal_indexset

Read-only tuple of texture binormal index arrays. Each value is a numpy.array of size Nx3 where N is the number of vertices in the primitive. To get the actual texture binormals, one can use the array to select into the texbinormalset array, e.g. texbinormalset[0][texbinormal_indexset[0]] would select the first set of texture binormals.

texbinormalset

Read-only tuple of texture binormal arrays. Each value is a numpy.array of size Nx3 where N is the number of texture binormals in the primitive’s source array.

texcoord_indexset

Read-only tuple of texture coordinate index arrays. Each value is a numpy.array of size Nx2 where N is the number of vertices in the primitive. To get the actual texture coordinates, one can use the array to select into the texcoordset array, e.g. texcoordset[0][texcoord_indexset[0]] would select the first set of texture coordinates.

texcoordset

Read-only tuple of texture coordinate arrays. Each value is a numpy.array of size Nx2 where N is the number of texture coordinates in the primitive’s source array.

textangent_indexset

Read-only tuple of texture tangent index arrays. Each value is a numpy.array of size Nx3 where N is the number of vertices in the primitive. To get the actual texture tangents, one can use the array to select into the textangentset array, e.g. textangentset[0][textangent_indexset[0]] would select the first set of texture tangents.

textangentset

Read-only tuple of texture tangent arrays. Each value is a numpy.array of size Nx3 where N is the number of texture tangents in the primitive’s source array.

triangleset()

This performs a simple triangulation of the polylist using the fanning method.

Return type:collada.triangleset.TriangleSet
vertex

Read-only numpy.array of size Nx3 where N is the number of vertex points in the primitive’s vertex source array.

vertex_index

Read-only numpy.array of size Nx3 where N is the number of vertices in the primitive. To get the actual vertex points, one can use this array to select into the vertex array, e.g. vertex[vertex_index].