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> Unreal Engine API Reference > Editor > UnrealEd > FTrackScaleInfo

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FTrackScaleInfo

Utility struct for converting between curve space and local/absolute screen space.

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References

Module	UnrealEd
Header	/Engine/Source/Editor/UnrealEd/Public/SCurveEditor.h
Include	#include "SCurveEditor.h"

Syntax

struct FTrackScaleInfo

Remarks

Utility struct for converting between curve space and local/absolute screen space. The input domain is traditionally the time axis of the curve, and the output domain is traditionally the value axis.

Variables

		Name	Description
	float	PixelsPerInput
	float	PixelsPerOutput
	float	ViewInputRange
	float	ViewMaxInput
	float	ViewMaxOutput
	float	ViewMinInput
	float	ViewMinOutput
	float	ViewOutputRange
	FVector2D	WidgetSize

Constructors

	Name	Description
	FTrackScaleInfo ( float InViewMinInput, float InViewMaxInput, float InViewMinOutput, float InViewMaxOutput, const FVector2D InWidgetSize )

Functions

	Name	Description
float	GetTrackCenterY()
float	InputToLocalX ( float Input )	Curve Input domain -> local Widget Space
float	LocalXToInput ( float ScreenX )	Local Widget Space -> Curve Input domain.
float	LocalYToOutput ( float ScreenY )	Local Widget Space -> Curve Output domain.
float	OutputToLocalY ( float Output )	Curve Output domain -> local Widget Space

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