Class TCastleTerrainImage

Unit

CastleTerrain

Declaration

type TCastleTerrainImage = class(TCastleTerrainData)

Description

Terrain (height map) data taken from intensities in an image.

The image spans always the entire terrain in X and Z.

The image minimum intensity (black) maps to height MinLevel, maximum intensity (white) maps to height MaxLevel. Any relation of MinLevel and MaxLevel is OK, that is: both MinLevel<MaxLevel and MinLevel>MaxLevel are valid.

When image is not loaded, it behaves like all the image intensities are 0.5.

Hierarchy

• TObject
• TPersistent
• TComponent
• TCastleComponent
• TCastleTerrainData
• TCastleTerrainImage

Overview

Methods

	constructor Create(AOwner: TComponent); override;
	destructor Destroy; override;
	function Height(const Coord, TexCoord: TVector2): Single; override;
	function PropertySections(const PropertyName: String): TPropertySections; override;

Properties

	property Url: String read FUrl write SetUrl;
	property MinLevel: Single read FMinLevel write SetMinLevel default -0.5;
	property MaxLevel: Single read FMaxLevel write SetMaxLevel default 0.5;

Description

Methods

	constructor Create(AOwner: TComponent); override;

	destructor Destroy; override;

	function Height(const Coord, TexCoord: TVector2): Single; override;

	function PropertySections(const PropertyName: String): TPropertySections; override;

Properties

	property Url: String read FUrl write SetUrl;
Image URL. Empty string means that no image is loaded.

	property MinLevel: Single read FMinLevel write SetMinLevel default -0.5;
Height when the image has minimum intensity (black).

	property MaxLevel: Single read FMaxLevel write SetMaxLevel default 0.5;
Height when the image has maximum intensity (white).

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