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> Unreal Engine API Reference > Runtime > Landscape > Materials > UMaterialExpressionLandscapeLayerSample

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UMaterialExpressionLandscapeLayerSample

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Inheritance Hierarchy

UObjectBase

UObjectBaseUtility

UObject

UMaterialExpression

UMaterialExpressionLandscapeLayerSample

References

Module	Landscape
Header	/Engine/Source/Runtime/Landscape/Classes/Materials/MaterialExpressionLandscapeLayerSample.h
Include	#include "Materials/MaterialExpressionLandscapeLayerSample.h"

Syntax

class UMaterialExpressionLandscapeLayerSample : public UMaterialExpression

Variables

	Name	Description
FGuid	ExpressionGUID	GUID that should be unique within the material, this is used for parameter renaming.
FName	ParameterName
float	PreviewWeight

Constructors

	Name	Description
	UMaterialExpressionLandscapeLayerSample ( const FObjectInitializer& ObjectIn... )

Functions

		Name	Description
	void	GetAllParameterInfo ( TArray< FMaterialParameterInfo >& ..., TArray< FGuid >& OutParameterIds, const FMaterialParameterInfo& InBa... )	Called to get list of parameter names for static parameter sets

Overridden from UMaterialExpression

	Name	Description
bool	CanReferenceTexture()	Returns true if GetReferencedTexture() can ever return a valid pointer.
int32	Compile ( FMaterialCompiler* Compiler, int32 OutputIndex )	Create the new shader code chunk needed for the Abs expression
void	GetCaption ( TArray< FString >& OutCaptions )	Returns the text to display on the material expression (in the material editor).
FGuid &	GetParameterExpressionId()	Callback to access derived classes' parameter expression id.
UObject *...	GetReferencedTexture()	Callback to get any texture reference this expression emits.
bool	MatchesSearchQuery ( const TCHAR* SearchQuery )	MatchesSearchQuery: Check this expression to see if it matches the search query

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