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-- File : MeshVS_NodalColorPrsBuilder.cdl
-- Created : 12 November 2003
-- Author : Alexander SOLOVYOV
---Copyright: Open CASCADE 2003
class NodalColorPrsBuilder from MeshVS inherits PrsBuilder from MeshVS
---Purpose: This class provides methods to create presentation of nodes with assigned color.
-- There are two ways of presentation building
-- 1. Without using texture.
-- In this case colors of nodes are specified with DataMapOfIntegerColor and presentation
-- is built with gradient fill between these nodes (default behaviour)
-- 2. Using texture.
-- In this case presentation is built with spectrum filling between nodes. For example, if
-- one node has blue color and second one has violet color, parameters of this class may be
-- set to fill presentation between nodes with solar spectrum.
-- Methods:
-- UseTexture - activates/deactivates this way
-- SetColorMap - sets colors used for generation of texture
-- SetColorindices - specifies correspondence between node IDs and indices of colors from color map
uses
Presentation from Prs3d,
Boolean from Standard,
Integer from Standard,
DisplayModeFlags from MeshVS,
Mesh from MeshVS,
MeshPtr from MeshVS,
DataSource from MeshVS,
DataMapOfIntegerColor from MeshVS,
BuilderPriority from MeshVS,
SequenceOfColor from Aspect,
Color from Quantity,
DataMapOfIntegerReal from TColStd,
Texture2D from Graphic3d,
PackedMapOfInteger from TColStd
is
Create ( Parent : Mesh from MeshVS;
Flags : DisplayModeFlags from MeshVS = MeshVS_DMF_NodalColorDataPrs;
DS : DataSource from MeshVS = 0;
Id : Integer = -1;
Priority : BuilderPriority from MeshVS = MeshVS_BP_NodalColor )
returns mutable NodalColorPrsBuilder from MeshVS;
Build ( me; Prs : Presentation from Prs3d;
IDs : PackedMapOfInteger;
IDsToExclude : in out PackedMapOfInteger;
IsElement : Boolean;
DisplayMode : Integer ) is virtual;
---Purpose: Builds presentation of nodes with assigned color.
GetColors ( me ) returns DataMapOfIntegerColor from MeshVS;
---C++: return const &
---Purpose: Returns map of colors assigned to nodes.
SetColors ( me : mutable;
Map : DataMapOfIntegerColor from MeshVS );
---Purpose: Sets map of colors assigned to nodes.
HasColors ( me ) returns Boolean;
---Purpose: Returns true, if map isn't empty
GetColor ( me; ID : Integer;
theColor : out Color from Quantity ) returns Boolean;
---Purpose: Returns color assigned to single node
SetColor ( me : mutable;
ID : Integer;
theColor : Color from Quantity );
---Purpose: Sets color assigned to single node
UseTexture ( me : mutable; theToUse : Boolean );
---Purpose: Specify whether texture must be used to build presentation
IsUseTexture( me ) returns Boolean;
---Purpose: Verify whether texture is used to build presentation
SetColorMap ( me : mutable; theColors : SequenceOfColor from Aspect );
---Purpose: Set colors to be used for texrture presentation
--- theColors - colors for valid coordinates (laying in range [0, 1])
GetColorMap ( me ) returns SequenceOfColor from Aspect;
---C++: return const &
---Purpose: Return colors used for texrture presentation
SetInvalidColor ( me : mutable; theInvalidColor : Color from Quantity );
---Purpose: Set color representing invalid texture coordinate
--- (laying outside range [0, 1])
GetInvalidColor ( me ) returns Color from Quantity;
---Purpose: Return color representing invalid texture coordinate
--- (laying outside range [0, 1])
SetTextureCoords ( me : mutable; theMap : DataMapOfIntegerReal from TColStd );
---Purpose: Specify correspondence between node IDs and texture coordinates (range [0, 1])
GetTextureCoords ( me ) returns DataMapOfIntegerReal from TColStd;
---C++: return const &
---Purpose: Get correspondence between node IDs and texture coordinates (range [0, 1])
SetTextureCoord ( me : mutable; theID : Integer; theCoord : Real );
---Purpose: Specify correspondence between node ID and texture coordinate (range [0, 1])
GetTextureCoord ( me : mutable; theID : Integer) returns Real;
---Purpose: Return correspondence between node IDs and texture coordinate (range [0, 1])
CreateTexture ( me ) returns Texture2D from Graphic3d
---Purpose: Create texture in accordance with myTextureColorMap
is static private;
fields
myNodeColorMap : DataMapOfIntegerColor from MeshVS;
myUseTexture : Boolean from Standard;
myTextureColorMap : SequenceOfColor from Aspect;
myTextureCoords : DataMapOfIntegerReal from TColStd;
myInvalidColor : Color from Quantity;
end NodalColorPrsBuilder;
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