What's New in API in Maya 2018.3 Update
MRenderItem class updates
When a 3D model view activates Isolate Select for components, Viewport 2.0 creates and maintains necessary render items to represent the drawing of the isolate selected components specifically for that view. These render items are copies of their original items and so they have the same properties including name, type, primitive type, and draw mode. However, their shading components are filtered from the view selected set of that view.
New methods have been added to allow custom render items created in a MPxGeometryOverride implementation to have their copies created for the drawing of isolate selected components. They also provide access of the view-selected shading components so that the MPxGeometryOverride implementation can fill in geometries properly.
These new methods include:
- MRenderItem::shadingComponent()
The Python API has also been updated with this new method.
- MRenderItem::setAllowIsolateSelectCopy()
- MRenderItem::allowIsolateSelectCopy()
- MRenderItem::isIsolateSelectCopy()
The apiMeshShapeGeometryOverride example plugin has been updated to use these new methods.
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