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2009-09-29T15:54:22Z

added a new starter tip

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=2.5 Python I/O API Tutorial=

==Starter Tips==

* use outliner -> datablocks to discover API data, properties and functions
* use source/blender/makesrna/intern/rna_*_api.c code to examine API functions in detail, what parameters they take, what is the return type, and more. For example rna_mesh_api.c
* read code! There are "live" examples of I/O API usage under release/scripts/io.

==Input==

Create a mesh object:
<pre>
ob = bpy.data.add_object("MESH", "mesh-name-here")
</pre>


Allocate verts, faces, edges:
<pre>
me = ob.data
me.add_geometry(num_verts, num_edges, num_faces) # any parameter can be 0
</pre>

Fill in vertex data:
<pre>
me.verts.foreach_set("co", coords)
</pre>

''coords'' must be a "flat" sequence of floats, e.g. if vertices are ((0, 0, 0), (1, 2, 3), ...), then coords should be (0, 0, 0, 1, 2, 3)

unpack_list() from import_obj.py can be used to "flatten" a list of verts.

Fill in face data:
<pre>
me.faces.foreach_set("verts_raw", indices)
</pre>

''indices'' is a "flat" list of vertex indices. Again, unpack_face_list() from import_obj.py can be used to "flatten" a list of faces (triangles and quads).

==Output==

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利用者:Kazanbas/Gsoc2009/2.5 Python API Tutorial - 版の履歴

Yamyam: 1版 をインポートしました

wiki>Kazanbas: added a new starter tip

Yamyam: 1版をインポートしました