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> Unreal Engine API Reference > Runtime > DatasmithCore > FDatasmithMesh > FDatasmithMesh::SetLightmapSourceUVChannel

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FDatasmithMesh::SetLightmapSourceUVChannel

Sets the UV channel that will be used as the source UVs for lightmap UVs generation at import, defaults to channel 0.

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References

Module	DatasmithCore
Header	/Engine/Source/Runtime/Datasmith/DatasmithCore/Public/DatasmithMesh.h
Include	#include "DatasmithMesh.h"
Source	/Engine/Source/Runtime/Datasmith/DatasmithCore/Private/DatasmithMesh.cpp

Syntax

void SetLightmapSourceUVChannel
(
int32 Channel
)

Remarks

Sets the UV channel that will be used as the source UVs for lightmap UVs generation at import, defaults to channel 0. Will be overwritten during Mesh export if we choose to generate the lightmap source UVs.

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