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2018-06-28T18:45:53Z

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wiki>IvanMMMM: world matrix was multiplied in the wrong order

2012-11-06T17:08:31Z

world matrix was multiplied in the wrong order

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{{Page/Header | 2.5 Alpha | Doc:2.5/Manual/Extensions/Python/Text editor | Doc:2.5/Manual/Extensions/Python}}

{{review|partial=X}}

= Introduction =
Since we are working with new and improving Python API, if you have something that needs to be answered, please add it here. We will find answers from dev's if we do not know them and provide an answer here.

= Geometry =
== How can I generate a mesh object using the API? ==

Download this code example [https://svn.blender.org/svnroot/bf-extensions/contrib/py/api-doc/Script_GeneratePyramidMesh.py Script_GeneratePyramidMesh.py] and run it from the Text Window.

== How do I apply a modifier using the API? ==

<source lang="python">
bpy.ops.object.convert(target='MESH', keep_original=False)
</source>

All the modifiers in the stack will be applied.

In case you just want to apply only the subsurf modifier and leave others alone, and create a new mesh (Old mesh will retain all its modifiers), the
following code shows one way of doing it.
<source lang="python">
for modifier in bpy.context.object.modifiers:
if modifier.type != 'SUBSURF':
modifier.show_render=True
bpy.ops.object.convert(target='MESH', '''keep_original=True''')
</source>

== How do I get the world coordinates of a control vertex of a BezierCurve? ==

<source lang="python">
wmtx = bpy.context.active_object.matrix_world

localCoord = bpy.context.active_object.data.splines[0].bezier_points[1].co

worldCoord = wmtx * localCoord
</source>

[[Image:Manual-Part20-scripting-faq-CV-in-world-coords.png|480px]]

[https://sites.google.com/site/satishgoda/blender/blog/blender25xscriptinggettingtheworldcoordinates More info...]

== How do I select/deselect the control points of a Curve ==
=== Method 1 ===
[[Image:Manual-Part20-scripting-faq-select-curve-control-point-method-1.png|480px]]

<source lang="python">
curve = bpy.context.selected_objects[0]

curve.data.splines[0].bezier_points[0].select_control_point = True
curve.data.splines[0].bezier_points[2].select_control_point = True
</source>

=== Method 2 ===
[[Image:Manual-Part20-scripting-faq-select-curve-control-point-method-2.png|480px]]

<source lang="python">
bpy.context.active_object.data.splines[0].bezier_points[0].select_control_point = True
</source>

[https://sites.google.com/site/satishgoda/blender/blog/blender25xScriptingSelectCVusingPython More info...]

= Materials =
== How to link a mesh/object to a material? ==
TODO

= Customization =
== How do I automate custom hotkeys? ==

{{Page/Footer | Doc:2.5/Manual/Extensions/Python/Text editor | Doc:2.5/Manual/Extensions/Python}}
[[Category:Script]]

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Yamyam: 1版 をインポートしました

wiki>IvanMMMM: world matrix was multiplied in the wrong order

Yamyam: 1版をインポートしました