// Created on: 2014-05-22
// Created by: Varvara POSKONINA
// Copyright (c) 2005-2014 OPEN CASCADE SAS
//
// This file is part of Open CASCADE Technology software library.
//
// This library is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License version 2.1 as published
// by the Free Software Foundation, with special exception defined in the file
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
// distribution for complete text of the license and disclaimer of any warranty.
//
// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.
#include <SelectMgr_RectangularFrustum.hxx>
#include <BVH_Tools.hxx>
#include <gp_Pln.hxx>
#include <NCollection_Vector.hxx>
#include <Poly_Array1OfTriangle.hxx>
#include <SelectMgr_FrustumBuilder.hxx>
#include <SelectMgr_ViewClipRange.hxx>
// =======================================================================
// function : Constructor
// purpose :
// =======================================================================
SelectMgr_RectangularFrustum::SelectMgr_RectangularFrustum()
: myScale(1.0)
{
}
// =======================================================================
// function : segmentSegmentDistance
// purpose :
// =======================================================================
void SelectMgr_RectangularFrustum::segmentSegmentDistance (const gp_Pnt& theSegPnt1,
const gp_Pnt& theSegPnt2,
SelectBasics_PickResult& thePickResult) const
{
gp_XYZ anU = theSegPnt2.XYZ() - theSegPnt1.XYZ();
gp_XYZ aV = myFarPickedPnt.XYZ() - myNearPickedPnt.XYZ(); // use unnormalized vector instead of myViewRayDir to clip solutions behind Far plane
gp_XYZ aW = theSegPnt1.XYZ() - myNearPickedPnt.XYZ();
Standard_Real anA = anU.Dot (anU);
Standard_Real aB = anU.Dot (aV);
Standard_Real aC = aV.Dot (aV);
Standard_Real aD = anU.Dot (aW);
Standard_Real anE = aV.Dot (aW);
Standard_Real aCoef = anA * aC - aB * aB;
Standard_Real aSn = aCoef;
Standard_Real aTc, aTn, aTd = aCoef;
if (aCoef < gp::Resolution())
{
aTn = anE;
aTd = aC;
}
else
{
aSn = (aB * anE - aC * aD);
aTn = (anA * anE - aB * aD);
if (aSn < 0.0)
{
aTn = anE;
aTd = aC;
}
else if (aSn > aCoef)
{
aTn = anE + aB;
aTd = aC;
}
}
if (aTn < 0.0)
{
aTn = 0.0;
}
else if (aTn > aTd)
{
aTn = aTd;
}
aTc = (Abs (aTd) < gp::Resolution() ? 0.0 : aTn / aTd);
const gp_Pnt aClosestPnt = myNearPickedPnt.XYZ() + aV * aTc;
thePickResult.SetDepth (myNearPickedPnt.Distance (aClosestPnt) * myScale);
const gp_Vec aPickedVec = aClosestPnt.XYZ() - theSegPnt1.XYZ();
const gp_Vec aFigureVec = theSegPnt2.XYZ() - theSegPnt1.XYZ();
const Standard_Real aPickedVecMod = aPickedVec.Magnitude();
const Standard_Real aFigureVecMod = aFigureVec.Magnitude();
if (aPickedVecMod <= gp::Resolution()
|| aFigureVecMod <= gp::Resolution())
{
thePickResult.SetPickedPoint (aClosestPnt);
return;
}
const Standard_Real aCosOfAngle = aFigureVec.Dot (aPickedVec) / (aPickedVecMod * aFigureVecMod);
const Standard_Real aSegPntShift = Min(aFigureVecMod, Max(0.0, aCosOfAngle * aPickedVecMod));
thePickResult.SetPickedPoint (theSegPnt1.XYZ() + aFigureVec.XYZ() * (aSegPntShift / aFigureVecMod));
}
// =======================================================================
// function : segmentPlaneIntersection
// purpose :
// =======================================================================
bool SelectMgr_RectangularFrustum::segmentPlaneIntersection (const gp_Vec& thePlane,
const gp_Pnt& thePntOnPlane,
SelectBasics_PickResult& thePickResult) const
{
gp_XYZ anU = myFarPickedPnt.XYZ() - myNearPickedPnt.XYZ(); // use unnormalized vector instead of myViewRayDir to clip solutions behind Far plane by > 1.0 check
gp_XYZ aW = myNearPickedPnt.XYZ() - thePntOnPlane.XYZ();
Standard_Real aD = thePlane.Dot (anU);
Standard_Real aN = -thePlane.Dot (aW);
if (Abs (aD) < Precision::Confusion())
{
if (Abs (aN) < Precision::Angular())
{
thePickResult.Invalidate();
return false;
}
else
{
thePickResult.Invalidate();
return false;
}
}
Standard_Real aParam = aN / aD;
if (aParam < 0.0 || aParam > 1.0) // > 1.0 check could be removed for an infinite ray and anU=myViewRayDir
{
thePickResult.Invalidate();
return false;
}
gp_Pnt aClosestPnt = myNearPickedPnt.XYZ() + anU * aParam;
thePickResult.SetDepth (myNearPickedPnt.Distance (aClosestPnt) * myScale);
return true;
}
namespace
{
// =======================================================================
// function : computeFrustum
// purpose : Computes base frustum data: its vertices and edge directions
// =======================================================================
void computeFrustum (const gp_Pnt2d theMinPnt, const gp_Pnt2d& theMaxPnt,
const Handle(SelectMgr_FrustumBuilder)& theBuilder,
gp_Pnt* theVertices, gp_Vec* theEdges)
{
// LeftTopNear
theVertices[0] = theBuilder->ProjectPntOnViewPlane (theMinPnt.X(),
theMaxPnt.Y(),
0.0);
// LeftTopFar
theVertices[1] = theBuilder->ProjectPntOnViewPlane (theMinPnt.X(),
theMaxPnt.Y(),
1.0);
// LeftBottomNear
theVertices[2] = theBuilder->ProjectPntOnViewPlane (theMinPnt.X(),
theMinPnt.Y(),
0.0);
// LeftBottomFar
theVertices[3] = theBuilder->ProjectPntOnViewPlane (theMinPnt.X(),
theMinPnt.Y(),
1.0);
// RightTopNear
theVertices[4] = theBuilder->ProjectPntOnViewPlane (theMaxPnt.X(),
theMaxPnt.Y(),
0.0);
// RightTopFar
theVertices[5] = theBuilder->ProjectPntOnViewPlane (theMaxPnt.X(),
theMaxPnt.Y(),
1.0);
// RightBottomNear
theVertices[6] = theBuilder->ProjectPntOnViewPlane (theMaxPnt.X(),
theMinPnt.Y(),
0.0);
// RightBottomFar
theVertices[7] = theBuilder->ProjectPntOnViewPlane (theMaxPnt.X(),
theMinPnt.Y(),
1.0);
// Horizontal
theEdges[0] = theVertices[4].XYZ() - theVertices[0].XYZ();
// Vertical
theEdges[1] = theVertices[2].XYZ() - theVertices[0].XYZ();
// LeftLower
theEdges[2] = theVertices[2].XYZ() - theVertices[3].XYZ();
// RightLower
theEdges[3] = theVertices[6].XYZ() - theVertices[7].XYZ();
// LeftUpper
theEdges[4] = theVertices[0].XYZ() - theVertices[1].XYZ();
// RightUpper
theEdges[5] = theVertices[4].XYZ() - theVertices[5].XYZ();
}
// =======================================================================
// function : computeNormals
// purpose : Computes normals to frustum faces
// =======================================================================
void computeNormals (const gp_Vec* theEdges, gp_Vec* theNormals)
{
// Top
theNormals[0] = theEdges[0].Crossed (theEdges[4]);
// Bottom
theNormals[1] = theEdges[2].Crossed (theEdges[0]);
// Left
theNormals[2] = theEdges[4].Crossed (theEdges[1]);
// Right
theNormals[3] = theEdges[1].Crossed (theEdges[5]);
// Near
theNormals[4] = theEdges[0].Crossed (theEdges[1]);
// Far
theNormals[5] = -theNormals[4];
}
}
// =======================================================================
// function : cacheVertexProjections
// purpose : Caches projection of frustum's vertices onto its plane directions
// and {i, j, k}
// =======================================================================
void SelectMgr_RectangularFrustum::cacheVertexProjections (SelectMgr_RectangularFrustum* theFrustum) const
{
if (theFrustum->Camera()->IsOrthographic())
{
// project vertices onto frustum normals
// Since orthographic view volume's faces are always a pairwise translation of
// one another, only 2 vertices that belong to opposite faces can be projected
// to simplify calculations.
Standard_Integer aVertIdxs[6] = { LeftTopNear, LeftBottomNear, // opposite planes in height direction
LeftBottomNear, RightBottomNear, // opposite planes in width direction
LeftBottomFar, RightBottomNear }; // opposite planes in depth direction
for (Standard_Integer aPlaneIdx = 0; aPlaneIdx < 5; aPlaneIdx += 2)
{
Standard_Real aProj1 = theFrustum->myPlanes[aPlaneIdx].XYZ().Dot (theFrustum->myVertices[aVertIdxs[aPlaneIdx]].XYZ());
Standard_Real aProj2 = theFrustum->myPlanes[aPlaneIdx].XYZ().Dot (theFrustum->myVertices[aVertIdxs[aPlaneIdx + 1]].XYZ());
theFrustum->myMinVertsProjections[aPlaneIdx] = Min (aProj1, aProj2);
theFrustum->myMaxVertsProjections[aPlaneIdx] = Max (aProj1, aProj2);
}
}
else
{
// project all vertices onto frustum normals
for (Standard_Integer aPlaneIdx = 0; aPlaneIdx < 6; ++aPlaneIdx)
{
Standard_Real aMax = -DBL_MAX;
Standard_Real aMin = DBL_MAX;
const gp_XYZ& aPlane = theFrustum->myPlanes[aPlaneIdx].XYZ();
for (Standard_Integer aVertIdx = 0; aVertIdx < 8; ++aVertIdx)
{
Standard_Real aProjection = aPlane.Dot (theFrustum->myVertices[aVertIdx].XYZ());
aMin = Min (aMin, aProjection);
aMax = Max (aMax, aProjection);
}
theFrustum->myMinVertsProjections[aPlaneIdx] = aMin;
theFrustum->myMaxVertsProjections[aPlaneIdx] = aMax;
}
}
// project vertices onto {i, j, k}
for (Standard_Integer aDim = 0; aDim < 3; ++aDim)
{
Standard_Real aMax = -DBL_MAX;
Standard_Real aMin = DBL_MAX;
for (Standard_Integer aVertIdx = 0; aVertIdx < 8; ++aVertIdx)
{
const gp_XYZ& aVert = theFrustum->myVertices[aVertIdx].XYZ();
aMax = Max (aVert.GetData()[aDim], aMax);
aMin = Min (aVert.GetData()[aDim], aMin);
}
theFrustum->myMaxOrthoVertsProjections[aDim] = aMax;
theFrustum->myMinOrthoVertsProjections[aDim] = aMin;
}
}
// =======================================================================
// function : Init
// purpose :
// =======================================================================
void SelectMgr_RectangularFrustum::Init (const gp_Pnt2d &thePoint)
{
mySelectionType = SelectMgr_SelectionType_Point;
mySelRectangle.SetMousePos (thePoint);
}
// =======================================================================
// function : Init
// purpose :
// =======================================================================
void SelectMgr_RectangularFrustum::Init (const gp_Pnt2d& theMinPnt,
const gp_Pnt2d& theMaxPnt)
{
mySelectionType = SelectMgr_SelectionType_Box;
mySelRectangle.SetMinPnt (theMinPnt);
mySelRectangle.SetMaxPnt (theMaxPnt);
}
// =======================================================================
// function : Build
// purpose :
// =======================================================================
void SelectMgr_RectangularFrustum::Build()
{
Standard_ASSERT_RAISE (mySelectionType == SelectMgr_SelectionType_Point || mySelectionType == SelectMgr_SelectionType_Box,
"Error! SelectMgr_RectangularFrustum::Build() should be called after selection frustum initialization");
gp_Pnt2d aMinPnt, aMaxPnt;
if (mySelectionType == SelectMgr_SelectionType_Point)
{
const gp_Pnt2d& aMousePos = mySelRectangle.MousePos();
myNearPickedPnt = myBuilder->ProjectPntOnViewPlane (aMousePos.X(), aMousePos.Y(), 0.0);
myFarPickedPnt = myBuilder->ProjectPntOnViewPlane (aMousePos.X(), aMousePos.Y(), 1.0);
aMinPnt.SetCoord (aMousePos.X() - myPixelTolerance * 0.5,
aMousePos.Y() - myPixelTolerance * 0.5);
aMaxPnt.SetCoord (aMousePos.X() + myPixelTolerance * 0.5,
aMousePos.Y() + myPixelTolerance * 0.5);
}
else
{
aMinPnt = mySelRectangle.MinPnt();
aMaxPnt = mySelRectangle.MaxPnt();
myNearPickedPnt = myBuilder->ProjectPntOnViewPlane ((aMinPnt.X() + aMaxPnt.X()) * 0.5,
(aMinPnt.Y() + aMaxPnt.Y()) * 0.5,
0.0);
myFarPickedPnt = myBuilder->ProjectPntOnViewPlane ((aMinPnt.X() + aMaxPnt.X()) * 0.5,
(aMinPnt.Y() + aMaxPnt.Y()) * 0.5,
1.0);
}
myViewRayDir = myFarPickedPnt.XYZ() - myNearPickedPnt.XYZ();
// calculate base frustum characteristics: vertices and edge directions
computeFrustum (aMinPnt, aMaxPnt, myBuilder, myVertices, myEdgeDirs);
// compute frustum normals
computeNormals (myEdgeDirs, myPlanes);
// compute vertices projections onto frustum normals and
// {i, j, k} vectors and store them to corresponding class fields
cacheVertexProjections (this);
myScale = 1.0;
}
// =======================================================================
// function : ScaleAndTransform
// purpose : IMPORTANT: Scaling makes sense only for frustum built on a single point!
// Note that this method does not perform any checks on type of the frustum.
// Returns a copy of the frustum resized according to the scale factor given
// and transforms it using the matrix given.
// There are no default parameters, but in case if:
// - transformation only is needed: @theScaleFactor must be initialized
// as any negative value;
// - scale only is needed: @theTrsf must be set to gp_Identity.
// =======================================================================
Handle(SelectMgr_BaseIntersector) SelectMgr_RectangularFrustum::ScaleAndTransform (const Standard_Integer theScaleFactor,
const gp_GTrsf& theTrsf,
const Handle(SelectMgr_FrustumBuilder)& theBuilder) const
{
Standard_ASSERT_RAISE (mySelectionType == SelectMgr_SelectionType_Point || mySelectionType == SelectMgr_SelectionType_Box,
"Error! SelectMgr_RectangularFrustum::ScaleAndTransform() should be called after selection frustum initialization");
Standard_ASSERT_RAISE (theScaleFactor >= 0,
"Error! Pixel tolerance for selection should not be negative");
Handle(SelectMgr_RectangularFrustum) aRes = new SelectMgr_RectangularFrustum();
const Standard_Boolean isToScale = theScaleFactor != 1;
const Standard_Boolean isToTrsf = theTrsf.Form() != gp_Identity;
if (!isToScale && !isToTrsf)
{
aRes->SetBuilder (theBuilder);
return aRes;
}
aRes->SetCamera (myCamera);
const SelectMgr_RectangularFrustum* aRef = this;
if (isToScale)
{
aRes->myNearPickedPnt = myNearPickedPnt;
aRes->myFarPickedPnt = myFarPickedPnt;
aRes->myViewRayDir = myViewRayDir;
const gp_Pnt2d& aMousePos = mySelRectangle.MousePos();
const gp_Pnt2d aMinPnt (aMousePos.X() - theScaleFactor * 0.5,
aMousePos.Y() - theScaleFactor * 0.5);
const gp_Pnt2d aMaxPnt (aMousePos.X() + theScaleFactor * 0.5,
aMousePos.Y() + theScaleFactor * 0.5);
// recompute base frustum characteristics from scratch
computeFrustum (aMinPnt, aMaxPnt, myBuilder, aRes->myVertices, aRes->myEdgeDirs);
aRef = aRes.get();
}
if (isToTrsf)
{
const Standard_Real aRefScale = aRef->myFarPickedPnt.SquareDistance (aRef->myNearPickedPnt);
gp_Pnt aPoint = aRef->myNearPickedPnt;
theTrsf.Transforms (aPoint.ChangeCoord());
aRes->myNearPickedPnt = aPoint;
aPoint.SetXYZ (aRef->myFarPickedPnt.XYZ());
theTrsf.Transforms (aPoint.ChangeCoord());
aRes->myFarPickedPnt = aPoint;
aRes->myViewRayDir = aRes->myFarPickedPnt.XYZ() - aRes->myNearPickedPnt.XYZ();
for (Standard_Integer anIt = 0; anIt < 8; anIt++)
{
aPoint = aRef->myVertices[anIt];
theTrsf.Transforms (aPoint.ChangeCoord());
aRes->myVertices[anIt] = aPoint;
}
// Horizontal
aRes->myEdgeDirs[0] = aRes->myVertices[4].XYZ() - aRes->myVertices[0].XYZ();
// Vertical
aRes->myEdgeDirs[1] = aRes->myVertices[2].XYZ() - aRes->myVertices[0].XYZ();
// LeftLower
aRes->myEdgeDirs[2] = aRes->myVertices[2].XYZ() - aRes->myVertices[3].XYZ();
// RightLower
aRes->myEdgeDirs[3] = aRes->myVertices[6].XYZ() - aRes->myVertices[7].XYZ();
// LeftUpper
aRes->myEdgeDirs[4] = aRes->myVertices[0].XYZ() - aRes->myVertices[1].XYZ();
// RightUpper
aRes->myEdgeDirs[5] = aRes->myVertices[4].XYZ() - aRes->myVertices[5].XYZ();
// Compute scale to transform depth from local coordinate system to world coordinate system
aRes->myScale = Sqrt (aRefScale / aRes->myFarPickedPnt.SquareDistance (aRes->myNearPickedPnt));
}
aRes->SetBuilder (theBuilder);
// compute frustum normals
computeNormals (aRes->myEdgeDirs, aRes->myPlanes);
cacheVertexProjections (aRes.get());
aRes->mySelectionType = mySelectionType;
aRes->mySelRectangle = mySelRectangle;
return aRes;
}
// =======================================================================
// function : CopyWithBuilder
// purpose : Returns a copy of the frustum using the given frustum builder configuration.
// Returned frustum should be re-constructed before being used.
// =======================================================================
Handle(SelectMgr_BaseIntersector) SelectMgr_RectangularFrustum::CopyWithBuilder (const Handle(SelectMgr_FrustumBuilder)& theBuilder) const
{
Standard_ASSERT_RAISE (mySelectionType == SelectMgr_SelectionType_Point || mySelectionType == SelectMgr_SelectionType_Box,
"Error! SelectMgr_RectangularFrustum::CopyWithBuilder() should be called after selection frustum initialization");
Standard_ASSERT_RAISE (!theBuilder.IsNull(),
"Error! SelectMgr_RectangularFrustum::CopyWithBuilder() should be called with valid builder");
Handle(SelectMgr_RectangularFrustum) aRes = new SelectMgr_RectangularFrustum();
aRes->mySelectionType = mySelectionType;
aRes->mySelRectangle = mySelRectangle;
aRes->myPixelTolerance = myPixelTolerance;
aRes->SetBuilder (theBuilder);
return aRes;
}
// =======================================================================
// function : IsScalable
// purpose :
// =======================================================================
Standard_Boolean SelectMgr_RectangularFrustum::IsScalable() const
{
return mySelectionType == SelectMgr_SelectionType_Point;
}
// =======================================================================
// function : OverlapsBox
// purpose : Returns true if selecting volume is overlapped by
// axis-aligned bounding box with minimum corner at point
// theMinPnt and maximum at point theMaxPnt
// =======================================================================
Standard_Boolean SelectMgr_RectangularFrustum::OverlapsBox (const SelectMgr_Vec3& theBoxMin,
const SelectMgr_Vec3& theBoxMax,
Standard_Boolean* theInside) const
{
Standard_ASSERT_RAISE(mySelectionType == SelectMgr_SelectionType_Point || mySelectionType == SelectMgr_SelectionType_Box,
"Error! SelectMgr_RectangularFrustum::Overlaps() should be called after selection frustum initialization");
return hasBoxOverlap (theBoxMin, theBoxMax, theInside);
}
// =======================================================================
// function : OverlapsBox
// purpose : SAT intersection test between defined volume and
// given axis-aligned box
// =======================================================================
Standard_Boolean SelectMgr_RectangularFrustum::OverlapsBox (const SelectMgr_Vec3& theBoxMin,
const SelectMgr_Vec3& theBoxMax,
const SelectMgr_ViewClipRange& theClipRange,
SelectBasics_PickResult& thePickResult) const
{
Standard_ASSERT_RAISE(mySelectionType == SelectMgr_SelectionType_Point || mySelectionType == SelectMgr_SelectionType_Box,
"Error! SelectMgr_RectangularFrustum::Overlaps() should be called after selection frustum initialization");
if (!hasBoxOverlap (theBoxMin, theBoxMax))
return Standard_False;
Standard_Real aDepth = 0.0;
BVH_Ray<Standard_Real, 3> aRay(SelectMgr_Vec3(myNearPickedPnt.X(), myNearPickedPnt.Y(), myNearPickedPnt.Z()),
SelectMgr_Vec3(myViewRayDir.X(), myViewRayDir.Y(), myViewRayDir.Z()));
Standard_Real aTimeEnter, aTimeLeave;
if (!BVH_Tools<Standard_Real, 3>::RayBoxIntersection (aRay, theBoxMin, theBoxMax, aTimeEnter, aTimeLeave))
{
gp_Pnt aNearestPnt (RealLast(), RealLast(), RealLast());
aNearestPnt.SetX (Max (Min (myNearPickedPnt.X(), theBoxMax.x()), theBoxMin.x()));
aNearestPnt.SetY (Max (Min (myNearPickedPnt.Y(), theBoxMax.y()), theBoxMin.y()));
aNearestPnt.SetZ (Max (Min (myNearPickedPnt.Z(), theBoxMax.z()), theBoxMin.z()));
aDepth = aNearestPnt.Distance (myNearPickedPnt);
thePickResult.SetDepth (aDepth);
return !theClipRange.IsClipped (thePickResult.Depth());
}
Bnd_Range aRange(Max (aTimeEnter, 0.0), aTimeLeave);
aRange.GetMin (aDepth);
if (!theClipRange.GetNearestDepth (aRange, aDepth))
{
return Standard_False;
}
thePickResult.SetDepth (aDepth);
return Standard_True;
}
// =======================================================================
// function : OverlapsPoint
// purpose : Intersection test between defined volume and given point
// =======================================================================
Standard_Boolean SelectMgr_RectangularFrustum::OverlapsPoint (const gp_Pnt& thePnt,
const SelectMgr_ViewClipRange& theClipRange,
SelectBasics_PickResult& thePickResult) const
{
Standard_ASSERT_RAISE(mySelectionType == SelectMgr_SelectionType_Point || mySelectionType == SelectMgr_SelectionType_Box,
"Error! SelectMgr_RectangularFrustum::Overlaps() should be called after selection frustum initialization");
if (!hasPointOverlap (thePnt))
return Standard_False;
gp_XYZ aV = thePnt.XYZ() - myNearPickedPnt.XYZ();
const Standard_Real aDepth = aV.Dot (myViewRayDir.XYZ());
thePickResult.SetDepth (Abs (aDepth) * myScale);
thePickResult.SetPickedPoint (thePnt);
return !theClipRange.IsClipped (thePickResult.Depth());
}
// =======================================================================
// function : OverlapsPoint
// purpose : Intersection test between defined volume and given point
// =======================================================================
Standard_Boolean SelectMgr_RectangularFrustum::OverlapsPoint (const gp_Pnt& thePnt) const
{
Standard_ASSERT_RAISE(mySelectionType == SelectMgr_SelectionType_Point || mySelectionType == SelectMgr_SelectionType_Box,
"Error! SelectMgr_RectangularFrustum::Overlaps() should be called after selection frustum initialization");
return hasPointOverlap (thePnt);
}
// =======================================================================
// function : OverlapsSegment
// purpose : Checks if line segment overlaps selecting frustum
// =======================================================================
Standard_Boolean SelectMgr_RectangularFrustum::OverlapsSegment (const gp_Pnt& thePnt1,
const gp_Pnt& thePnt2,
const SelectMgr_ViewClipRange& theClipRange,
SelectBasics_PickResult& thePickResult) const
{
Standard_ASSERT_RAISE(mySelectionType == SelectMgr_SelectionType_Point || mySelectionType == SelectMgr_SelectionType_Box,
"Error! SelectMgr_RectangularFrustum::Overlaps() should be called after selection frustum initialization");
if (!hasSegmentOverlap (thePnt1, thePnt2))
return Standard_False;
segmentSegmentDistance (thePnt1, thePnt2, thePickResult);
return !theClipRange.IsClipped (thePickResult.Depth());
}
// =======================================================================
// function : OverlapsPolygon
// purpose : SAT intersection test between defined volume and given
// ordered set of points, representing line segments. The test
// may be considered of interior part or boundary line defined
// by segments depending on given sensitivity type
// =======================================================================
Standard_Boolean SelectMgr_RectangularFrustum::OverlapsPolygon (const TColgp_Array1OfPnt& theArrayOfPnts,
Select3D_TypeOfSensitivity theSensType,
const SelectMgr_ViewClipRange& theClipRange,
SelectBasics_PickResult& thePickResult) const
{
Standard_ASSERT_RAISE(mySelectionType == SelectMgr_SelectionType_Point || mySelectionType == SelectMgr_SelectionType_Box,
"Error! SelectMgr_RectangularFrustum::Overlaps() should be called after selection frustum initialization");
if (theSensType == Select3D_TOS_BOUNDARY)
{
Standard_Integer aMatchingSegmentsNb = -1;
SelectBasics_PickResult aPickResult;
thePickResult.Invalidate();
const Standard_Integer aLower = theArrayOfPnts.Lower();
const Standard_Integer anUpper = theArrayOfPnts.Upper();
for (Standard_Integer aPntIter = aLower; aPntIter <= anUpper; ++aPntIter)
{
const gp_Pnt& aStartPnt = theArrayOfPnts.Value (aPntIter);
const gp_Pnt& aEndPnt = theArrayOfPnts.Value (aPntIter == anUpper ? aLower : (aPntIter + 1));
if (hasSegmentOverlap (aStartPnt, aEndPnt))
{
aMatchingSegmentsNb++;
segmentSegmentDistance (aStartPnt, aEndPnt, aPickResult);
thePickResult = SelectBasics_PickResult::Min (thePickResult, aPickResult);
}
}
if (aMatchingSegmentsNb == -1)
return Standard_False;
}
else if (theSensType == Select3D_TOS_INTERIOR)
{
gp_Vec aPolyNorm (gp_XYZ (RealLast(), RealLast(), RealLast()));
if (!hasPolygonOverlap (theArrayOfPnts, aPolyNorm))
{
return Standard_False;
}
if (aPolyNorm.Magnitude() <= Precision::Confusion())
{
// treat degenerated polygon as point
return OverlapsPoint (theArrayOfPnts.First(), theClipRange, thePickResult);
}
else if (!segmentPlaneIntersection (aPolyNorm, theArrayOfPnts.First(), thePickResult))
{
return Standard_False;
}
}
return !theClipRange.IsClipped (thePickResult.Depth());
}
// =======================================================================
// function : OverlapsTriangle
// purpose : SAT intersection test between defined volume and given
// triangle. The test may be considered of interior part or
// boundary line defined by triangle vertices depending on
// given sensitivity type
// =======================================================================
Standard_Boolean SelectMgr_RectangularFrustum::OverlapsTriangle (const gp_Pnt& thePnt1,
const gp_Pnt& thePnt2,
const gp_Pnt& thePnt3,
Select3D_TypeOfSensitivity theSensType,
const SelectMgr_ViewClipRange& theClipRange,
SelectBasics_PickResult& thePickResult) const
{
Standard_ASSERT_RAISE(mySelectionType == SelectMgr_SelectionType_Point || mySelectionType == SelectMgr_SelectionType_Box,
"Error! SelectMgr_RectangularFrustum::Overlaps() should be called after selection frustum initialization");
if (theSensType == Select3D_TOS_BOUNDARY)
{
const gp_Pnt aPntsArrayBuf[4] = { thePnt1, thePnt2, thePnt3, thePnt1 };
const TColgp_Array1OfPnt aPntsArray (aPntsArrayBuf[0], 1, 4);
return OverlapsPolygon (aPntsArray, Select3D_TOS_BOUNDARY, theClipRange, thePickResult);
}
else if (theSensType == Select3D_TOS_INTERIOR)
{
gp_Vec aTriangleNormal (gp_XYZ (RealLast(), RealLast(), RealLast()));
if (!hasTriangleOverlap (thePnt1, thePnt2, thePnt3, aTriangleNormal))
{
return Standard_False;
}
const gp_XYZ aTrEdges[3] = { thePnt2.XYZ() - thePnt1.XYZ(),
thePnt3.XYZ() - thePnt2.XYZ(),
thePnt1.XYZ() - thePnt3.XYZ() };
if (aTriangleNormal.SquareMagnitude() < gp::Resolution())
{
// consider degenerated triangle as point or segment
return aTrEdges[0].SquareModulus() > gp::Resolution()
? OverlapsSegment (thePnt1, thePnt2, theClipRange, thePickResult)
: (aTrEdges[1].SquareModulus() > gp::Resolution()
? OverlapsSegment (thePnt2, thePnt3, theClipRange, thePickResult)
: OverlapsPoint (thePnt1, theClipRange, thePickResult));
}
const gp_Pnt aPnts[3] = {thePnt1, thePnt2, thePnt3};
const Standard_Real anAlpha = aTriangleNormal.XYZ().Dot (myViewRayDir.XYZ());
if (Abs (anAlpha) < gp::Resolution())
{
// handle the case when triangle normal and selecting frustum direction are orthogonal
SelectBasics_PickResult aPickResult;
thePickResult.Invalidate();
for (Standard_Integer anEdgeIter = 0; anEdgeIter < 3; ++anEdgeIter)
{
const gp_Pnt& aStartPnt = aPnts[anEdgeIter];
const gp_Pnt& anEndPnt = aPnts[anEdgeIter < 2 ? anEdgeIter + 1 : 0];
segmentSegmentDistance (aStartPnt, anEndPnt, aPickResult);
thePickResult = SelectBasics_PickResult::Min (thePickResult, aPickResult);
}
thePickResult.SetSurfaceNormal (aTriangleNormal);
return !theClipRange.IsClipped (thePickResult.Depth());
}
// check if intersection point belongs to triangle's interior part
const gp_XYZ anEdge = (thePnt1.XYZ() - myNearPickedPnt.XYZ()) * (1.0 / anAlpha);
const Standard_Real aTime = aTriangleNormal.Dot (anEdge);
const gp_XYZ aVec = myViewRayDir.XYZ().Crossed (anEdge);
const Standard_Real anU = aVec.Dot (aTrEdges[2]);
const Standard_Real aV = aVec.Dot (aTrEdges[0]);
const Standard_Boolean isInterior = (aTime >= 0.0) && (anU >= 0.0) && (aV >= 0.0) && (anU + aV <= 1.0);
const gp_Pnt aPtOnPlane = myNearPickedPnt.XYZ() + myViewRayDir.XYZ() * aTime;
if (isInterior)
{
thePickResult.SetDepth (myNearPickedPnt.Distance (aPtOnPlane) * myScale);
thePickResult.SetPickedPoint (aPtOnPlane);
thePickResult.SetSurfaceNormal (aTriangleNormal);
return !theClipRange.IsClipped (thePickResult.Depth());
}
Standard_Real aMinDist = RealLast();
Standard_Integer aNearestEdgeIdx1 = -1;
for (Standard_Integer anEdgeIdx = 0; anEdgeIdx < 3; ++anEdgeIdx)
{
gp_XYZ aW = aPtOnPlane.XYZ() - aPnts[anEdgeIdx].XYZ();
Standard_Real aCoef = aTrEdges[anEdgeIdx].Dot (aW) / aTrEdges[anEdgeIdx].Dot (aTrEdges[anEdgeIdx]);
Standard_Real aDist = aPtOnPlane.Distance (aPnts[anEdgeIdx].XYZ() + aCoef * aTrEdges[anEdgeIdx]);
if (aDist < aMinDist)
{
aMinDist = aDist;
aNearestEdgeIdx1 = anEdgeIdx;
}
}
Standard_Integer aNearestEdgeIdx2 = (aNearestEdgeIdx1 + 1) % 3;
const gp_Vec aVec12 (aPnts[aNearestEdgeIdx1], aPnts[aNearestEdgeIdx2]);
if (aVec12.SquareMagnitude() > gp::Resolution()
&& myViewRayDir.IsParallel (aVec12, Precision::Angular()))
{
aNearestEdgeIdx2 = aNearestEdgeIdx1 == 0 ? 2 : aNearestEdgeIdx1 - 1;
}
segmentSegmentDistance (aPnts[aNearestEdgeIdx1], aPnts[aNearestEdgeIdx2], thePickResult);
thePickResult.SetSurfaceNormal (aTriangleNormal);
}
return !theClipRange.IsClipped (thePickResult.Depth());
}
//=======================================================================
// function : OverlapsCylinder
// purpose :
//=======================================================================
Standard_Boolean SelectMgr_RectangularFrustum::OverlapsCylinder (const Standard_Real theBottomRad,
const Standard_Real theTopRad,
const Standard_Real theHeight,
const gp_Trsf& theTrsf,
const Standard_Boolean theIsHollow,
const SelectMgr_ViewClipRange& theClipRange,
SelectBasics_PickResult& thePickResult) const
{
Standard_ASSERT_RAISE (mySelectionType == SelectMgr_SelectionType_Point || mySelectionType == SelectMgr_SelectionType_Box,
"Error! SelectMgr_RectangularFrustum::Overlaps() should be called after selection frustum initialization");
Standard_Real aTimes[2] = { 0.0, 0.0 };
const gp_Trsf aTrsfInv = theTrsf.Inverted();
const gp_Pnt aLoc = myNearPickedPnt.Transformed (aTrsfInv);
const gp_Dir aRayDir = myViewRayDir .Transformed (aTrsfInv);
if (!RayCylinderIntersection (theBottomRad, theTopRad, theHeight, aLoc, aRayDir, theIsHollow, aTimes[0], aTimes[1]))
{
return Standard_False;
}
Standard_Integer aResTime = 0;
thePickResult.SetDepth (aTimes[aResTime] * myScale);
if (theClipRange.IsClipped (thePickResult.Depth()))
{
aResTime = 1;
thePickResult.SetDepth (aTimes[aResTime] * myScale);
}
const gp_Pnt aPntOnCylinder = aLoc.XYZ() + aRayDir.XYZ() * aTimes[aResTime];
if (Abs (aPntOnCylinder.Z()) < Precision::Confusion())
{
thePickResult.SetSurfaceNormal (-gp::DZ().Transformed (theTrsf));
}
else if (Abs (aPntOnCylinder.Z() - theHeight) < Precision::Confusion())
{
thePickResult.SetSurfaceNormal (gp::DZ().Transformed (theTrsf));
}
else
{
thePickResult.SetSurfaceNormal (gp_Vec (aPntOnCylinder.X(), aPntOnCylinder.Y(), 0.0).Transformed (theTrsf));
}
thePickResult.SetPickedPoint (aPntOnCylinder.Transformed (theTrsf));
return !theClipRange.IsClipped (thePickResult.Depth());
}
//=======================================================================
// function : OverlapsCircle
// purpose :
//=======================================================================
Standard_Boolean SelectMgr_RectangularFrustum::OverlapsCircle (const Standard_Real theRadius,
const gp_Trsf& theTrsf,
const Standard_Boolean theIsFilled,
const SelectMgr_ViewClipRange& theClipRange,
SelectBasics_PickResult& thePickResult) const
{
Standard_ASSERT_RAISE (mySelectionType == SelectMgr_SelectionType_Point || mySelectionType == SelectMgr_SelectionType_Box,
"Error! SelectMgr_RectangularFrustum::Overlaps() should be called after selection frustum initialization");
Standard_Real aTime = 0.0;
const gp_Trsf aTrsfInv = theTrsf.Inverted();
const gp_Pnt aLoc = myNearPickedPnt.Transformed (aTrsfInv);
const gp_Dir aRayDir = myViewRayDir.Transformed (aTrsfInv);
if (!theIsFilled)
{
if (!hasCircleOverlap (theRadius, theTrsf, theIsFilled, NULL))
{
return Standard_False;
}
if (aRayDir.Z() != 0)
{
aTime = (0 - aLoc.Z()) / aRayDir.Z();
}
}
else if (!RayCircleIntersection (theRadius, aLoc, aRayDir, theIsFilled, aTime))
{
return Standard_False;
}
thePickResult.SetDepth (aTime * myScale);
if (theClipRange.IsClipped (thePickResult.Depth()))
{
thePickResult.SetDepth (aTime * myScale);
}
const gp_Pnt aPntOnCircle = aLoc.XYZ() + aRayDir.XYZ() * aTime;
if (Abs (aPntOnCircle.Z()) < Precision::Confusion())
{
thePickResult.SetSurfaceNormal (-gp::DZ().Transformed (theTrsf));
}
else
{
thePickResult.SetSurfaceNormal (gp_Vec (aPntOnCircle.X(), aPntOnCircle.Y(), 0.0).Transformed (theTrsf));
}
thePickResult.SetPickedPoint (aPntOnCircle.Transformed (theTrsf));
return !theClipRange.IsClipped (thePickResult.Depth());
}
//=======================================================================
// function : isIntersectCircle
// purpose :
//=======================================================================
Standard_Boolean SelectMgr_RectangularFrustum::isIntersectCircle (const Standard_Real theRadius,
const gp_Pnt& theCenter,
const gp_Trsf& theTrsf,
const TColgp_Array1OfPnt& theVertices) const
{
const gp_Trsf aTrsfInv = theTrsf.Inverted();
const gp_Dir aRayDir = gp_Dir (myEdgeDirs[4 == 4 ? 4 : 0]).Transformed (aTrsfInv);
if (aRayDir.Z() == 0.0)
{
return false;
}
for (Standard_Integer anIdx = theVertices.Lower(); anIdx <= theVertices.Upper(); anIdx++)
{
const gp_Pnt aPntStart = theVertices.Value (anIdx).Transformed (aTrsfInv);
const gp_Pnt aPntFinish = anIdx == theVertices.Upper()
? theVertices.Value (theVertices.Lower()).Transformed (aTrsfInv)
: theVertices.Value (anIdx + 1).Transformed (aTrsfInv);
// Project points on the end face plane
const Standard_Real aParam1 = (theCenter.Z() - aPntStart.Z()) / aRayDir.Z();
const Standard_Real aX1 = aPntStart.X() + aRayDir.X() * aParam1;
const Standard_Real anY1 = aPntStart.Y() + aRayDir.Y() * aParam1;
const Standard_Real aParam2 = (theCenter.Z() - aPntFinish.Z()) / aRayDir.Z();
const Standard_Real aX2 = aPntFinish.X() + aRayDir.X() * aParam2;
const Standard_Real anY2 = aPntFinish.Y() + aRayDir.Y() * aParam2;
// Solving quadratic equation anA * T^2 + 2 * aK * T + aC = 0
const Standard_Real anA = (aX1 - aX2) * (aX1 - aX2) + (anY1 - anY2) * (anY1 - anY2);
const Standard_Real aK = aX1 * (aX2 - aX1) + anY1 * (anY2 - anY1);
const Standard_Real aC = aX1 * aX1 + anY1 * anY1 - theRadius * theRadius;
const Standard_Real aDiscr = aK * aK - anA * aC;
if (aDiscr >= 0.0)
{
const Standard_Real aT1 = (-aK + Sqrt (aDiscr)) / anA;
const Standard_Real aT2 = (-aK - Sqrt (aDiscr)) / anA;
if ((aT1 >= 0 && aT1 <= 1) || (aT2 >= 0 && aT2 <= 1))
{
return true;
}
}
}
return false;
}
//=======================================================================
// function : isSegmentsIntersect
// purpose :
//=======================================================================
Standard_Boolean SelectMgr_RectangularFrustum::isSegmentsIntersect (const gp_Pnt& thePnt1Seg1,
const gp_Pnt& thePnt2Seg1,
const gp_Pnt& thePnt1Seg2,
const gp_Pnt& thePnt2Seg2) const
{
const gp_Mat aMatPln (thePnt2Seg1.X() - thePnt1Seg1.X(), thePnt2Seg1.Y() - thePnt1Seg1.Y(), thePnt2Seg1.Z() - thePnt1Seg1.Z(),
thePnt1Seg2.X() - thePnt1Seg1.X(), thePnt1Seg2.Y() - thePnt1Seg1.Y(), thePnt1Seg2.Z() - thePnt1Seg1.Z(),
thePnt2Seg2.X() - thePnt1Seg1.X(), thePnt2Seg2.Y() - thePnt1Seg1.Y(), thePnt2Seg2.Z() - thePnt1Seg1.Z());
if (Abs (aMatPln.Determinant()) > Precision::Confusion())
{
return false;
}
Standard_Real aFst[4] = { thePnt1Seg1.X(), thePnt2Seg1.X(), thePnt1Seg2.X(), thePnt2Seg2.X() };
Standard_Real aSnd[4] = { thePnt1Seg1.Y(), thePnt2Seg1.Y(), thePnt1Seg2.Y(), thePnt2Seg2.Y() };
if (aFst[0] == aFst[2] && aFst[1] == aFst[3])
{
aFst[0] = thePnt1Seg1.Z();
aFst[1] = thePnt2Seg1.Z();
aFst[2] = thePnt1Seg2.Z();
aFst[3] = thePnt2Seg2.Z();
}
if (aSnd[0] == aSnd[2]
&& aSnd[1] == aSnd[3])
{
aSnd[0] = thePnt1Seg1.Z();
aSnd[1] = thePnt2Seg1.Z();
aSnd[2] = thePnt1Seg2.Z();
aSnd[3] = thePnt2Seg2.Z();
}
const gp_Mat2d aMat (gp_XY (aFst[0] - aFst[1], aSnd[0] - aSnd[1]),
gp_XY (aFst[3] - aFst[2], aSnd[3] - aSnd[2]));
const gp_Mat2d aMatU (gp_XY (aFst[0] - aFst[2], aSnd[0] - aSnd[2]),
gp_XY (aFst[3] - aFst[2], aSnd[3] - aSnd[2]));
const gp_Mat2d aMatV (gp_XY (aFst[0] - aFst[1], aSnd[0] - aSnd[1]),
gp_XY (aFst[0] - aFst[2], aSnd[0] - aSnd[2]));
if (aMat.Determinant() == 0.0)
{
return false;
}
const Standard_Real anU = aMatU.Determinant() / aMat.Determinant();
const Standard_Real aV = aMatV.Determinant() / aMat.Determinant();
if (anU >= 0.0 && anU <= 1.0
&& aV >= 0.0 && aV <= 1.0)
{
return true;
}
return false;
}
//=======================================================================
// function : OverlapsCylinder
// purpose :
//=======================================================================
Standard_Boolean SelectMgr_RectangularFrustum::OverlapsCylinder (const Standard_Real theBottomRad,
const Standard_Real theTopRad,
const Standard_Real theHeight,
const gp_Trsf& theTrsf,
const Standard_Boolean theIsHollow,
Standard_Boolean* theInside) const
{
Standard_ASSERT_RAISE (mySelectionType == SelectMgr_SelectionType_Point || mySelectionType == SelectMgr_SelectionType_Box,
"Error! SelectMgr_RectangularFrustum::Overlaps() should be called after selection frustum initialization");
return hasCylinderOverlap (theBottomRad, theTopRad, theHeight, theTrsf, theIsHollow, theInside);
}
//=======================================================================
// function : OverlapsCircle
// purpose :
//=======================================================================
Standard_Boolean SelectMgr_RectangularFrustum::OverlapsCircle (const Standard_Real theRadius,
const gp_Trsf& theTrsf,
const Standard_Boolean theIsFilled,
Standard_Boolean* theInside) const
{
Standard_ASSERT_RAISE (mySelectionType == SelectMgr_SelectionType_Point || mySelectionType == SelectMgr_SelectionType_Box,
"Error! SelectMgr_RectangularFrustum::Overlaps() should be called after selection frustum initialization");
return hasCircleOverlap (theRadius, theTrsf, theIsFilled, theInside);
}
// =======================================================================
// function : GetMousePosition
// purpose :
// =======================================================================
const gp_Pnt2d& SelectMgr_RectangularFrustum::GetMousePosition() const
{
if (mySelectionType == SelectMgr_SelectionType_Point)
{
return mySelRectangle.MousePos();
}
return base_type::GetMousePosition();
}
// =======================================================================
// function : OverlapsSphere
// purpose :
// =======================================================================
Standard_Boolean SelectMgr_RectangularFrustum::OverlapsSphere (const gp_Pnt& theCenter,
const Standard_Real theRadius,
const SelectMgr_ViewClipRange& theClipRange,
SelectBasics_PickResult& thePickResult) const
{
Standard_ASSERT_RAISE (mySelectionType == SelectMgr_SelectionType_Point || mySelectionType == SelectMgr_SelectionType_Box,
"Error! SelectMgr_RectangularFrustum::Overlaps() should be called after selection frustum initialization");
Standard_Real aTimeEnter = 0.0, aTimeLeave = 0.0;
if (!RaySphereIntersection (theCenter, theRadius, myNearPickedPnt, myViewRayDir, aTimeEnter, aTimeLeave))
{
return Standard_False;
}
thePickResult.SetDepth (aTimeEnter * myScale);
if (theClipRange.IsClipped (thePickResult.Depth()))
{
thePickResult.SetDepth (aTimeLeave * myScale);
}
gp_Pnt aPntOnSphere (myNearPickedPnt.XYZ() + myViewRayDir.XYZ() * thePickResult.Depth() / myScale);
gp_Vec aNormal (aPntOnSphere.XYZ() - theCenter.XYZ());
thePickResult.SetPickedPoint (aPntOnSphere);
thePickResult.SetSurfaceNormal (aNormal);
return !theClipRange.IsClipped (thePickResult.Depth());
}
// =======================================================================
// function : OverlapsSphere
// purpose :
// =======================================================================
Standard_Boolean SelectMgr_RectangularFrustum::OverlapsSphere (const gp_Pnt& theCenter,
const Standard_Real theRadius,
Standard_Boolean* theInside) const
{
Standard_ASSERT_RAISE (mySelectionType == SelectMgr_SelectionType_Point || mySelectionType == SelectMgr_SelectionType_Box,
"Error! SelectMgr_RectangularFrustum::Overlaps() should be called after selection frustum initialization");
return hasSphereOverlap (theCenter, theRadius, theInside);
}
// =======================================================================
// function : DistToGeometryCenter
// purpose : Measures distance between 3d projection of user-picked
// screen point and given point theCOG
// =======================================================================
Standard_Real SelectMgr_RectangularFrustum::DistToGeometryCenter (const gp_Pnt& theCOG) const
{
Standard_ASSERT_RAISE(mySelectionType == SelectMgr_SelectionType_Point || mySelectionType == SelectMgr_SelectionType_Box,
"Error! SelectMgr_RectangularFrustum::DistToGeometryCenter() should be called after selection frustum initialization");
return theCOG.Distance (myNearPickedPnt) * myScale;
}
// =======================================================================
// function : DetectedPoint
// purpose : Calculates the point on a view ray that was detected during
// the run of selection algo by given depth
// =======================================================================
gp_Pnt SelectMgr_RectangularFrustum::DetectedPoint (const Standard_Real theDepth) const
{
Standard_ASSERT_RAISE (mySelectionType == SelectMgr_SelectionType_Point,
"SelectMgr_RectangularFrustum::DetectedPoint() should be called only for Point selection type");
return myNearPickedPnt.XYZ() + myViewRayDir.XYZ() * theDepth / myScale;
}
// =======================================================================
// function : GetPlanes
// purpose :
// =======================================================================
void SelectMgr_RectangularFrustum::GetPlanes (NCollection_Vector<SelectMgr_Vec4>& thePlaneEquations) const
{
thePlaneEquations.Clear();
SelectMgr_Vec4 anEquation;
for (Standard_Integer aPlaneIdx = 0; aPlaneIdx < 6; ++aPlaneIdx)
{
const gp_Vec& aPlaneNorm = Camera()->IsOrthographic() && aPlaneIdx % 2 == 1 ?
myPlanes[aPlaneIdx - 1].Reversed() : myPlanes[aPlaneIdx];
anEquation.x() = aPlaneNorm.X();
anEquation.y() = aPlaneNorm.Y();
anEquation.z() = aPlaneNorm.Z();
anEquation.w() = - (aPlaneNorm.XYZ().Dot (myVertices[aPlaneIdx % 2 == 0 ? aPlaneIdx : aPlaneIdx + 2].XYZ()));
thePlaneEquations.Append (anEquation);
}
}
//=======================================================================
//function : DumpJson
//purpose :
//=======================================================================
void SelectMgr_RectangularFrustum::DumpJson (Standard_OStream& theOStream, Standard_Integer theDepth) const
{
OCCT_DUMP_CLASS_BEGIN (theOStream, SelectMgr_RectangularFrustum)
OCCT_DUMP_BASE_CLASS (theOStream, theDepth, SelectMgr_Frustum)
OCCT_DUMP_FIELD_VALUES_DUMPED (theOStream, theDepth, &myNearPickedPnt)
OCCT_DUMP_FIELD_VALUES_DUMPED (theOStream, theDepth, &myFarPickedPnt)
OCCT_DUMP_FIELD_VALUES_DUMPED (theOStream, theDepth, &myViewRayDir)
OCCT_DUMP_FIELD_VALUES_DUMPED (theOStream, theDepth, &mySelRectangle.MinPnt())
OCCT_DUMP_FIELD_VALUES_DUMPED (theOStream, theDepth, &mySelRectangle.MaxPnt())
OCCT_DUMP_FIELD_VALUE_NUMERICAL (theOStream, myScale)
}