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IAgStkGraphicsSurfacePolygonTriangulatorInitializer Interface
Windows






Windows & Linux

Description

Triangulates a polygon, with an optional hole, on a central body, into a triangle mesh and a surrounding boundary. The mesh is commonly visualized with the Triangle Mesh Primitive or Surface Mesh Primitive. The boundary is commonly visualized with the Polyline Primitive.

Object Model







Public Methods

Public Method ComputeComputes the triangulation on the specified centralBody for a polygon whose boundary is defined by the specified positions. This is equivalent to calling Compute with an altitude of 0, a granularity of 1 degree, and a positionsWindingOrder of Compute.
Public Method ComputeCartographicFor convenience. Computes the triangulation on the specified centralBody for a polygon whose boundary is defined by the specified Cartographic positions. Longitude and latitude are in radians, and altitude is in meters. This is equivalent to converting each position in positions to Cartesian and calling Compute
Public Method ComputeCartographicWithAltitudeAndGranularityFor convenience. Computes the triangulation on the specified centralBody for a polygon whose boundary is defined by the specified Cartographic positions. Longitude and latitude are in radians, and altitude is in meters. This is equivalent to converting each position in positions to Cartesian and calling Compute
Public Method ComputeWithAltitudeAndGranularityComputes the triangulation on the specified centralBody for a polygon whose boundary is defined by the specified positions.
Public Method ComputeWithHoleComputes the triangulation on the specified centralBody for a polygon whose boundary is defined by the specified positions with a hole specified by holePositions. This is equivalent to calling Compute with an altitude of 0 and a granularity of 1 degree.
Public Method ComputeWithHoleAltitudeAndGranularityComputes the triangulation on the specified centralBody for a polygon whose boundary is defined by the specified positions with a hole specified by holePositions.

Example

Draw a new Surface Extent Triangulator
[MATLAB]Copy Code
% IAgScenario scenario: Scenario object 
manager = scenario.SceneManager; 
texture = manager.Textures.LoadFromStringUri('C:\Program Files\AGI\STK 11\CodeSamples\CustomApplications\Data\HowTo\Textures\agi_logo_transparent.png'); 
mesh = manager.Initializers.SurfaceMeshPrimitive.Initialize(); 
mesh.Texture = texture; 
mesh.Translucency = 0; 
cartographicExtent = {-55;10;-24;30}; 
 
triangles = manager.Initializers.SurfaceExtentTriangulator.ComputeSimple('Earth', cartographicExtent); 
mesh.Set(triangles); 
mesh.Translucency = .25; 
c0 = {10;-55}; 
c1 = {30;-55}; 
c2 = {30;-24}; 
c3 = {10;-24}; 
 
mesh.TextureMatrix = manager.Initializers.TextureMatrix.InitializeWithRectangles(c0,c1,c2,c3); 
mesh.TransparentTextureBorder = true; 
manager.Primitives.Add(mesh); 
manager.Render; 
 
 
Draw a new Surface Extent Triangulator
[Python]Copy Code
# IAgScenario scenario: Scenario object 
manager = scenario.SceneManager 
texture = manager.Textures.LoadFromStringUri(r'C:\Program Files\AGI\STK 11\CodeSamples\CustomApplications\Data\HowTo\Textures\agi_logo_transparent.png') 
mesh = manager.Initializers.SurfaceMeshPrimitive.Initialize() 
mesh.Texture = texture 
mesh.Translucency = 0 
cartographicExtent = [ [-55],[10],[-24],[30] ] 
 
triangles = manager.Initializers.SurfaceExtentTriangulator.ComputeSimple('Earth', cartographicExtent) 
mesh.Set(triangles) 
mesh.Translucency = .25 
c0 = [ [10],[-55] ] 
c1 = [ [30],[-55] ] 
c2 = [ [30],[-24] ] 
c3 = [ [10],[-24] ] 
 
mesh.TextureMatrix = manager.Initializers.TextureMatrix.InitializeWithRectangles(c0,c1,c2,c3) 
mesh.TransparentTextureBorder = True 
manager.Primitives.Add(mesh) 
manager.Render() 
 
 

See Also

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