DTriangle3d.h

Go to the documentation of this file.

/*--------------------------------------------------------------------------------------+
|
|   Supplied under applicable software license agreement.
|
|   Copyright (c) 2018 Bentley Systems, Incorporated. All rights reserved.
|
+---------------------------------------------------------------------------------------*/
#pragma once

BEGIN_BENTLEY_GEOMETRY_NAMESPACE
struct GEOMDLLIMPEXP DTriangle3d
{
DPoint3d point[3];
DTriangle3d ();

DTriangle3d (DPoint3dCR xyz0, DPoint3dCR xyz10, DPoint3dCR xyz01);
DTriangle3d (DPoint2dCR xyz0, DPoint2dCR xyz10, DPoint2dCR xyz01);

DPoint3d Evaluate (double u, double v) const;
void Evaluate (double u, double v, DPoint3dR xyz, DVec3dR dXdu, DVec3dR dXdv) const;
void EvaluateNormal (double u, double v, DPoint3dR xyz, DVec3dR unitNormal) const;

void GetVectorsFromOrigin (DVec3dR vectorU, DVec3dR vectorV) const;
bool ClosestPointUnbounded (DPoint3dCR spacePoint, DPoint2d &uv, DPoint3d &xyz) const;

bool ClosestPointUnbounded (DPoint3dCR spacePoint, DPoint2d &uv) const;

DSegment3d GetCCWEdgeDSegment3d (int i) const;

DRay3d GetCCWEdgeDRay3d (int i) const;


DVec3d GetCCWEdgeDVec3d (int i) const;

double AspectRatio () const;

DVec3d CrossVectorsFromOrigin () const;
};

struct GEOMDLLIMPEXP DPlane3dByVectors
{
DPoint3d origin;
DVec3d vectorU;
DVec3d vectorV;
DPlane3dByVectors (DPoint3dCR _origin, DVec3dCR _vectorU, DVec3d _vectorV);

DPlane3dByVectors (DTriangle3dCR triangle);

DPlane3dByVectors ();
DPlane3dByVectors (DEllipse3dCR ellipse);
static DPlane3dByVectors FromOriginAndParallelToXY (DPoint3d origin, double sizeU, double sizeV);
static DPlane3dByVectors FromOriginAndParallelToYZ (DPoint3d origin, double sizeU, double sizeV);
static DPlane3dByVectors FromOriginAndParallelToXZ (DPoint3d origin, double sizeU, double sizeV);

static DPlane3dByVectors FromOriginAndTargets (DPoint3dCR origin, DPoint3dCR UTarget, DPoint3dCR VTarget);

ValidatedDPlane3d GetDPlane3dWithUnitNormal () const;
DPoint3d Evaluate (double u, double v) const;
DPlane3dByVectors EvaluateTangents (double u, double v) const;
bool GetTransformsUnitZ (TransformR localToWorld, TransformR worldToLocal) const;
bool TransverseIntersection (DSegment3dCR segment, DPoint2dR uv, double &segmentFraction) const;
ValidatedDPoint2d ProjectPoint (DPoint3dCR spacePoint) const;
};
END_BENTLEY_GEOMETRY_NAMESPACE