Class MeshQueries

Inheritance

Object

MeshQueries

Inherited Members

Object.ToString()

Object.Equals(Object)

Object.Equals(Object, Object)

Object.ReferenceEquals(Object, Object)

Object.GetHashCode()

Object.GetType()

Object.MemberwiseClone()

Namespace: g3

Assembly: cs.temp.dll.dll

Syntax

public static class MeshQueries

Methods

BaryCoords(DMesh3, Int32, Vector3d)

Get barycentric coords of point in triangle

Declaration

public static Vector3d BaryCoords(DMesh3 mesh, int tID, Vector3d point)

Parameters

Type	Name	Description
DMesh3	mesh
Int32	tID
Vector3d	point

Returns

Type	Description
Vector3d

EdgeLengthStats(DMesh3, out Double, out Double, out Double, Int32)

Declaration

public static void EdgeLengthStats(DMesh3 mesh, out double minEdgeLen, out double maxEdgeLen, out double avgEdgeLen, int samples = 0)

Parameters

Type	Name	Description
DMesh3	mesh
Double	minEdgeLen
Double	maxEdgeLen
Double	avgEdgeLen
Int32	samples

EdgeLengthStatsFromEdges(DMesh3, IEnumerable<Int32>, out Double, out Double, out Double, Int32)

Declaration

public static void EdgeLengthStatsFromEdges(DMesh3 mesh, IEnumerable<int> EdgeItr, out double minEdgeLen, out double maxEdgeLen, out double avgEdgeLen, int samples = 0)

Parameters

Type	Name	Description
DMesh3	mesh
IEnumerable<Int32>	EdgeItr
Double	minEdgeLen
Double	maxEdgeLen
Double	avgEdgeLen
Int32	samples

FindHitTriangle_LinearSearch(DMesh3, Ray3d)

Declaration

public static int FindHitTriangle_LinearSearch(DMesh3 mesh, Ray3d ray)

Parameters

Type	Name	Description
DMesh3	mesh
Ray3d	ray

Returns

Type	Description
Int32

FindIntersectingTriangles_LinearSearch(DMesh3, DMesh3)

brute force search for any intersecting triangles on two meshes

Declaration

public static Index2i FindIntersectingTriangles_LinearSearch(DMesh3 mesh1, DMesh3 mesh2)

Parameters

Type	Name	Description
DMesh3	mesh1
DMesh3	mesh2

Returns

Type	Description
Index2i

FindNearestTriangle_LinearSearch(DMesh3, Vector3d)

Declaration

public static int FindNearestTriangle_LinearSearch(DMesh3 mesh, Vector3d p)

Parameters

Type	Name	Description
DMesh3	mesh
Vector3d	p

Returns

Type	Description
Int32

FindNearestTriangles_LinearSearch(DMesh3, DMesh3, out Double)

Brute-force search for closest pair of triangles on two meshes

Declaration

public static Index2i FindNearestTriangles_LinearSearch(DMesh3 mesh1, DMesh3 mesh2, out double fNearestSqr)

Parameters

Type	Name	Description
DMesh3	mesh1
DMesh3	mesh2
Double	fNearestSqr

Returns

Type	Description
Index2i

FindNearestVertex_LinearSearch(DMesh3, Vector3d)

Declaration

public static int FindNearestVertex_LinearSearch(DMesh3 mesh, Vector3d p)

Parameters

Type	Name	Description
DMesh3	mesh
Vector3d	p

Returns

Type	Description
Int32

NearestPointDistance(DMesh3, ISpatial, Vector3d, Double)

Find distance from point to mesh Returns interpolated vertex-normal frame if available, otherwise tri-normal frame.

Declaration

public static double NearestPointDistance(DMesh3 mesh, ISpatial spatial, Vector3d queryPoint, double maxDist = 1.7976931348623157E+308)

Parameters

Type	Name	Description
DMesh3	mesh
ISpatial	spatial
Vector3d	queryPoint
Double	maxDist

Returns

Type	Description
Double

NearestPointFrame(DMesh3, ISpatial, Vector3d, Boolean)

Find point-normal(Z) frame at closest point to queryPoint on mesh. Returns interpolated vertex-normal frame if available, otherwise tri-normal frame.

Declaration

public static Frame3f NearestPointFrame(DMesh3 mesh, ISpatial spatial, Vector3d queryPoint, bool bForceFaceNormal = false)

Parameters

Type	Name	Description
DMesh3	mesh
ISpatial	spatial
Vector3d	queryPoint
Boolean	bForceFaceNormal

Returns

Type	Description
Frame3f

RayHitPointFrame(DMesh3, ISpatial, Ray3d, out Frame3f, Boolean)

Find point-normal frame at ray-intersection point on mesh, or return false if no hit. Returns interpolated vertex-normal frame if available, otherwise tri-normal frame.

Declaration

public static bool RayHitPointFrame(DMesh3 mesh, ISpatial spatial, Ray3d ray, out Frame3f hitPosFrame, bool bForceFaceNormal = false)

Parameters

Type	Name	Description
DMesh3	mesh
ISpatial	spatial
Ray3d	ray
Frame3f	hitPosFrame
Boolean	bForceFaceNormal

Returns

Type	Description
Boolean

SurfaceFrame(DMesh3, Int32, Vector3d, Boolean)

Get point-normal frame on surface of mesh. Assumption is that point lies in tID. returns interpolated vertex-normal frame if available, otherwise tri-normal frame.

Declaration

public static Frame3f SurfaceFrame(DMesh3 mesh, int tID, Vector3d point, bool bForceFaceNormal = false)

Parameters

Type	Name	Description
DMesh3	mesh
Int32	tID
Vector3d	point
Boolean	bForceFaceNormal

Returns

Type	Description
Frame3f

TriangleDistance(DMesh3, Int32, Vector3d)

construct a DistPoint3Triangle3 object for a mesh triangle

Declaration

public static DistPoint3Triangle3 TriangleDistance(DMesh3 mesh, int ti, Vector3d point)

Parameters

Type	Name	Description
DMesh3	mesh
Int32	ti
Vector3d	point

Returns

Type	Description
DistPoint3Triangle3

TriangleIntersection(DMesh3, Int32, Ray3d)

convenience function to construct a IntrRay3Triangle3 object for a mesh triangle

Declaration

public static IntrRay3Triangle3 TriangleIntersection(DMesh3 mesh, int ti, Ray3d ray)

Parameters

Type	Name	Description
DMesh3	mesh
Int32	ti
Ray3d	ray

Returns

Type	Description
IntrRay3Triangle3

TrianglesDistance(DMesh3, Int32, DMesh3, Int32, Func<Vector3d, Vector3d>)

convenience function to construct a DistTriangle3Triangle3 object for two mesh triangles

Declaration

public static DistTriangle3Triangle3 TrianglesDistance(DMesh3 mesh1, int ti, DMesh3 mesh2, int tj, Func<Vector3d, Vector3d> TransformF = null)

Parameters

Type	Name	Description
DMesh3	mesh1
Int32	ti
DMesh3	mesh2
Int32	tj
Func<Vector3d, Vector3d>	TransformF

Returns

Type	Description
DistTriangle3Triangle3

TrianglesIntersection(DMesh3, Int32, DMesh3, Int32, Func<Vector3d, Vector3d>)

convenience function to construct a IntrTriangle3Triangle3 object for two mesh triangles

Declaration

public static IntrTriangle3Triangle3 TrianglesIntersection(DMesh3 mesh1, int ti, DMesh3 mesh2, int tj, Func<Vector3d, Vector3d> TransformF = null)

Parameters

Type	Name	Description
DMesh3	mesh1
Int32	ti
DMesh3	mesh2
Int32	tj
Func<Vector3d, Vector3d>	TransformF

Returns

Type	Description
IntrTriangle3Triangle3

TriangleTriangleDistance(DMesh3, Int32, DMesh3, Int32, Func<Vector3d, Vector3d>)

find distance between two triangles, with optional transform on second triangle

Declaration

public static DistTriangle3Triangle3 TriangleTriangleDistance(DMesh3 mesh1, int ti, DMesh3 mesh2, int tj, Func<Vector3d, Vector3d> TransformF = null)

Parameters

Type	Name	Description
DMesh3	mesh1
Int32	ti
DMesh3	mesh2
Int32	tj
Func<Vector3d, Vector3d>	TransformF

Returns

Type	Description
DistTriangle3Triangle3

TriDistanceSqr(DMesh3, Int32, Vector3d)

Compute distance from point to triangle in mesh, with minimal extra objects/etc

Declaration

public static double TriDistanceSqr(DMesh3 mesh, int ti, Vector3d point)

Parameters

Type	Name	Description
DMesh3	mesh
Int32	ti
Vector3d	point

Returns

Type	Description
Double