C# Class HelixToolkit.Wpf.MeshGeometryHelper

Provides helper methods for mesh geometries.

ファイルを表示 Open project: litdev1/LitDev Class Usage Examples

Public Methods

Method	Description
CalculateNormals ( IList positions, IList triangleIndices ) : System.Windows.Media.Media3D.Vector3DCollection	Calculates the normal vectors.
CalculateNormals ( System.Windows.Media.Media3D.MeshGeometry3D mesh ) : System.Windows.Media.Media3D.Vector3DCollection	Calculates the normal vectors.
CombineSegments ( IList segments, double eps ) : IEnumerable>	Combines the segments.
Cut ( System.Windows.Media.Media3D.MeshGeometry3D mesh, System.Windows.Media.Media3D.Point3D p, System.Windows.Media.Media3D.Vector3D n ) : System.Windows.Media.Media3D.MeshGeometry3D	Cuts the mesh with the specified plane.
FindBorderEdges ( System.Windows.Media.Media3D.MeshGeometry3D mesh ) : System.Windows.Media.Int32Collection	Finds edges that are only connected to one triangle.
FindEdges ( System.Windows.Media.Media3D.MeshGeometry3D mesh ) : System.Windows.Media.Int32Collection	Finds all edges in the mesh (each edge is only included once).
FindSharpEdges ( System.Windows.Media.Media3D.MeshGeometry3D mesh, double minimumAngle ) : System.Windows.Media.Int32Collection	Finds all edges where the angle between adjacent triangle normal vectors. is larger than minimumAngle
GetContourSegments ( System.Windows.Media.Media3D.MeshGeometry3D mesh, System.Windows.Media.Media3D.Point3D p, System.Windows.Media.Media3D.Vector3D n ) : IList	Gets the contour segments.
NoSharedVertices ( System.Windows.Media.Media3D.MeshGeometry3D input ) : System.Windows.Media.Media3D.MeshGeometry3D	Creates a new mesh where no vertices are shared.
Simplify ( System.Windows.Media.Media3D.MeshGeometry3D mesh, double eps ) : System.Windows.Media.Media3D.MeshGeometry3D	Simplifies the specified mesh.
Validate ( System.Windows.Media.Media3D.MeshGeometry3D mesh ) : void	Validates the specified mesh.

Private Methods

Method	Description
CreateKey ( uint i0, uint i1 ) : ulong	Create a 64-bit key from two 32-bit indices
FindConnectedSegment ( IList segments, System.Windows.Media.Media3D.Point3D point, double eps ) : int	Finds the nearest connected segment to the specified point.
ReverseKey ( ulong key, uint &i0, uint &i1 ) : void	Extract two 32-bit indices from the 64-bit key

Method Details

CalculateNormals() public static method

Calculates the normal vectors.

public static CalculateNormals ( IList positions, IList triangleIndices ) : System.Windows.Media.Media3D.Vector3DCollection
positions	IList	/// The positions. ///
triangleIndices	IList	/// The triangle indices. ///
return	System.Windows.Media.Media3D.Vector3DCollection

CalculateNormals() public static method

Calculates the normal vectors.

public static CalculateNormals ( System.Windows.Media.Media3D.MeshGeometry3D mesh ) : System.Windows.Media.Media3D.Vector3DCollection
mesh	System.Windows.Media.Media3D.MeshGeometry3D	/// The mesh. ///
return	System.Windows.Media.Media3D.Vector3DCollection

CombineSegments() public static method

Combines the segments.

public static CombineSegments ( IList segments, double eps ) : IEnumerable>
segments	IList	/// The segments. ///
eps	double	/// The tolerance. ///
return	IEnumerable>

Cut() public static method

Cuts the mesh with the specified plane.

public static Cut ( System.Windows.Media.Media3D.MeshGeometry3D mesh, System.Windows.Media.Media3D.Point3D p, System.Windows.Media.Media3D.Vector3D n ) : System.Windows.Media.Media3D.MeshGeometry3D
mesh	System.Windows.Media.Media3D.MeshGeometry3D	/// The mesh. ///
p	System.Windows.Media.Media3D.Point3D	/// The plane origin. ///
n	System.Windows.Media.Media3D.Vector3D	/// The plane normal. ///
return	System.Windows.Media.Media3D.MeshGeometry3D

FindBorderEdges() public static method

Finds edges that are only connected to one triangle.

public static FindBorderEdges ( System.Windows.Media.Media3D.MeshGeometry3D mesh ) : System.Windows.Media.Int32Collection
mesh	System.Windows.Media.Media3D.MeshGeometry3D	/// A mesh geometry. ///
return	System.Windows.Media.Int32Collection

FindEdges() public static method

Finds all edges in the mesh (each edge is only included once).

public static FindEdges ( System.Windows.Media.Media3D.MeshGeometry3D mesh ) : System.Windows.Media.Int32Collection
mesh	System.Windows.Media.Media3D.MeshGeometry3D	/// A mesh geometry. ///
return	System.Windows.Media.Int32Collection

FindSharpEdges() public static method

Finds all edges where the angle between adjacent triangle normal vectors. is larger than minimumAngle

public static FindSharpEdges ( System.Windows.Media.Media3D.MeshGeometry3D mesh, double minimumAngle ) : System.Windows.Media.Int32Collection
mesh	System.Windows.Media.Media3D.MeshGeometry3D	/// A mesh geometry. ///
minimumAngle	double	/// The minimum angle between the normal vectors of two adjacent triangles (degrees). ///
return	System.Windows.Media.Int32Collection

GetContourSegments() public static method

Gets the contour segments.

public static GetContourSegments ( System.Windows.Media.Media3D.MeshGeometry3D mesh, System.Windows.Media.Media3D.Point3D p, System.Windows.Media.Media3D.Vector3D n ) : IList
mesh	System.Windows.Media.Media3D.MeshGeometry3D	/// The mesh. ///
p	System.Windows.Media.Media3D.Point3D	/// The plane origin. ///
n	System.Windows.Media.Media3D.Vector3D	/// The plane normal. ///
return	IList

NoSharedVertices() public static method

Creates a new mesh where no vertices are shared.

public static NoSharedVertices ( System.Windows.Media.Media3D.MeshGeometry3D input ) : System.Windows.Media.Media3D.MeshGeometry3D
input	System.Windows.Media.Media3D.MeshGeometry3D	/// The input mesh. ///
return	System.Windows.Media.Media3D.MeshGeometry3D

Simplify() public static method

Simplifies the specified mesh.

public static Simplify ( System.Windows.Media.Media3D.MeshGeometry3D mesh, double eps ) : System.Windows.Media.Media3D.MeshGeometry3D
mesh	System.Windows.Media.Media3D.MeshGeometry3D	/// The mesh. ///
eps	double	/// The tolerance. ///
return	System.Windows.Media.Media3D.MeshGeometry3D

Validate() public static method

Validates the specified mesh.

public static Validate ( System.Windows.Media.Media3D.MeshGeometry3D mesh ) : void
mesh	System.Windows.Media.Media3D.MeshGeometry3D	/// The mesh. ///
return	void