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API > API/Plugins > API/Plugins/DynamicMesh > API/Plugins/DynamicMesh/FGroupTopologyDeformer
Description
Populate the internal ROI data structures based on the given HandleGroups and ROIGroups. HandleGroups will be empty if the Handle is a set of Vertices or Edges.
| Name | CalculateROI |
| Type | function |
| Header File | /Engine/Plugins/Runtime/GeometryProcessing/Source/DynamicMesh/Public/Operations/GroupTopologyDeformer.h |
| Include Path | #include "Operations/GroupTopologyDeformer.h" |
| Source | /Engine/Plugins/Runtime/GeometryProcessing/Source/DynamicMesh/Private/Operations/GroupTopologyDeformer.cpp |
virtual void CalculateROI
(
const TArray < int > & HandleGroups,
const TArray < int > & ROIGroups
)