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mirror of https://git.dev.opencascade.org/repos/occt.git synced 2025-04-09 18:50:54 +03:00

0024572: Improvement performance of BRepExtrema_DistShapeShape

Fix compilations issues.
Fix compilation issues with GCC.
This commit is contained in:
dbp 2014-04-10 17:42:41 +04:00 committed by apn
parent 11500a8529
commit 762b6cecec
4 changed files with 392 additions and 141 deletions

View File

@ -35,82 +35,164 @@
#include <BRepExtrema_UnCompatibleShape.hxx>
#include <BRep_Tool.hxx>
#include <BRepClass3d_SolidClassifier.hxx>
#include <NCollection_Comparator.hxx>
#include <NCollection_QuickSort.hxx>
#include <NCollection_Vector.hxx>
#include <StdFail_NotDone.hxx>
static void Decomposition(const TopoDS_Shape& S,
TopTools_IndexedMapOfShape& MapV,
TopTools_IndexedMapOfShape& MapE,
TopTools_IndexedMapOfShape& MapF)
namespace
{
MapV.Clear();
MapE.Clear();
MapF.Clear();
TopExp::MapShapes(S,TopAbs_VERTEX,MapV);
TopExp::MapShapes(S,TopAbs_EDGE,MapE);
TopExp::MapShapes(S,TopAbs_FACE,MapF);
}
static void BoxCalculation(const TopTools_IndexedMapOfShape& Map,
Bnd_SeqOfBox& SBox)
{
for (Standard_Integer i = 1; i <= Map.Extent(); i++)
static void Decomposition(const TopoDS_Shape& S,
TopTools_IndexedMapOfShape& MapV,
TopTools_IndexedMapOfShape& MapE,
TopTools_IndexedMapOfShape& MapF)
{
Bnd_Box box;
BRepBndLib::Add(Map(i), box);
SBox.Append(box);
MapV.Clear();
MapE.Clear();
MapF.Clear();
TopExp::MapShapes(S,TopAbs_VERTEX,MapV);
TopExp::MapShapes(S,TopAbs_EDGE,MapE);
TopExp::MapShapes(S,TopAbs_FACE,MapF);
}
static void BoxCalculation(const TopTools_IndexedMapOfShape& Map,
Bnd_SeqOfBox& SBox)
{
for (Standard_Integer i = 1; i <= Map.Extent(); i++)
{
Bnd_Box box;
BRepBndLib::Add(Map(i), box);
SBox.Append(box);
}
}
inline Standard_Real DistanceInitiale(const TopoDS_Vertex V1,
const TopoDS_Vertex V2)
{
return (BRep_Tool::Pnt(V1).Distance(BRep_Tool::Pnt(V2)));
}
//! Pair of objects to check extrema.
struct BRepExtrema_CheckPair
{
Standard_Integer Index1; //!< Index of the 1st sub-shape
Standard_Integer Index2; //!< Index of the 2nd sub-shape
Standard_Real Distance; //!< Distance between sub-shapes
//! Uninitialized constructor for collection.
BRepExtrema_CheckPair() {}
//! Creates new pair of sub-shapes.
BRepExtrema_CheckPair (Standard_Integer theIndex1,
Standard_Integer theIndex2,
Standard_Real theDistance)
: Index1 (theIndex1),
Index2 (theIndex2),
Distance (theDistance) {}
};
}
inline Standard_Real DistanceInitiale(const TopoDS_Vertex V1,
const TopoDS_Vertex V2)
template<>
class NCollection_Comparator<BRepExtrema_CheckPair>
{
return (BRep_Tool::Pnt(V1).Distance(BRep_Tool::Pnt(V2)));
}
public:
Standard_Boolean IsLower (const BRepExtrema_CheckPair& theLeft, const BRepExtrema_CheckPair& theRight) const
{
return theLeft.Distance < theRight.Distance;
}
Standard_Boolean IsGreater (const BRepExtrema_CheckPair& theLeft, const BRepExtrema_CheckPair& theRight) const
{
return theLeft.Distance > theRight.Distance;
}
Standard_Boolean IsEqual (const BRepExtrema_CheckPair& theLeft, const BRepExtrema_CheckPair& theRight) const
{
return theLeft.Distance == theRight.Distance;
}
Standard_Boolean IsLowerEqual (const BRepExtrema_CheckPair& theLeft, const BRepExtrema_CheckPair& theRight) const
{
return theLeft.Distance <= theRight.Distance;
}
Standard_Boolean IsGreaterEqual (const BRepExtrema_CheckPair& theLeft, const BRepExtrema_CheckPair& theRight) const
{
return theLeft.Distance >= theRight.Distance;
}
};
//=======================================================================
//function : DistanceMapMap
//purpose :
//=======================================================================
void BRepExtrema_DistShapeShape::DistanceMapMap(const TopTools_IndexedMapOfShape& Map1,
const TopTools_IndexedMapOfShape& Map2,
const Bnd_SeqOfBox& LBox1,
const Bnd_SeqOfBox& LBox2)
void BRepExtrema_DistShapeShape::DistanceMapMap (const TopTools_IndexedMapOfShape& theMap1,
const TopTools_IndexedMapOfShape& theMap2,
const Bnd_SeqOfBox& theLBox1,
const Bnd_SeqOfBox& theLBox2)
{
Standard_Integer i, j;
BRepExtrema_SeqOfSolution seq1, seq2;
const Standard_Integer n1 = Map1.Extent();
const Standard_Integer n2 = Map2.Extent();
for (i = 1; i <= n1; i++)
NCollection_Vector<BRepExtrema_CheckPair> aPairList;
const Standard_Integer aCount1 = theMap1.Extent();
const Standard_Integer aCount2 = theMap2.Extent();
for (Standard_Integer anIdx1 = 1; anIdx1 <= aCount1; ++anIdx1)
{
const Bnd_Box &box1 = LBox1.Value(i);
const TopoDS_Shape &S1 = Map1(i);
for (j = 1; j <= n2; j++)
for (Standard_Integer anIdx2 = 1; anIdx2 <= aCount2; ++anIdx2)
{
const Bnd_Box &box2= LBox2.Value(j);
const TopoDS_Shape &S2 = Map2(j);
const Standard_Real aDist = theLBox1.Value (anIdx1).Distance (theLBox2.Value (anIdx2));
if (aDist < myDistRef - myEps || fabs (aDist - myDistRef) < myEps)
{
aPairList.Append (BRepExtrema_CheckPair (anIdx1, anIdx2, aDist));
}
}
}
BRepExtrema_DistanceSS dist(S1,S2,box1,box2,myDistRef,myEps);
if (dist.IsDone()) {
if(dist.DistValue() < (myDistRef-myEps))
NCollection_QuickSort<NCollection_Vector<BRepExtrema_CheckPair>, BRepExtrema_CheckPair>::Perform (aPairList, NCollection_Comparator<BRepExtrema_CheckPair>(),
aPairList.Lower(), aPairList.Upper());
for (NCollection_Vector<BRepExtrema_CheckPair>::Iterator aPairIter (aPairList);
aPairIter.More(); aPairIter.Next())
{
const BRepExtrema_CheckPair& aPair = aPairIter.Value();
if (aPair.Distance > myDistRef + myEps)
{
break; // early search termination
}
const Bnd_Box& aBox1 = theLBox1.Value (aPair.Index1);
const Bnd_Box& aBox2 = theLBox2.Value (aPair.Index2);
const TopoDS_Shape& aShape1 = theMap1 (aPair.Index1);
const TopoDS_Shape& aShape2 = theMap2 (aPair.Index2);
BRepExtrema_DistanceSS aDistTool (aShape1, aShape2, aBox1, aBox2, myDistRef, myEps);
if (aDistTool.IsDone())
{
if (aDistTool.DistValue() < myDistRef - myEps)
{
mySolutionsShape1.Clear();
mySolutionsShape2.Clear();
BRepExtrema_SeqOfSolution aSeq1 = aDistTool.Seq1Value();
BRepExtrema_SeqOfSolution aSeq2 = aDistTool.Seq2Value();
mySolutionsShape1.Append (aSeq1);
mySolutionsShape2.Append (aSeq2);
myDistRef = aDistTool.DistValue();
}
else if (fabs (aDistTool.DistValue() - myDistRef) < myEps)
{
BRepExtrema_SeqOfSolution aSeq1 = aDistTool.Seq1Value();
BRepExtrema_SeqOfSolution aSeq2 = aDistTool.Seq2Value();
mySolutionsShape1.Append (aSeq1);
mySolutionsShape2.Append (aSeq2);
if (myDistRef > aDistTool.DistValue())
{
mySolutionsShape1.Clear();
mySolutionsShape2.Clear();
seq1= dist.Seq1Value();
seq2= dist.Seq2Value();
mySolutionsShape1.Append(seq1);
mySolutionsShape2.Append(seq2);
myDistRef=dist.DistValue();
}
else if(fabs(dist.DistValue()-myDistRef) < myEps)
{
seq1= dist.Seq1Value();
seq2= dist.Seq2Value();
mySolutionsShape1.Append(seq1);
mySolutionsShape2.Append(seq2);
if (myDistRef > dist.DistValue())
myDistRef=dist.DistValue();
myDistRef = aDistTool.DistValue();
}
}
}
@ -123,13 +205,16 @@ void BRepExtrema_DistShapeShape::DistanceMapMap(const TopTools_IndexedMapOfShape
//=======================================================================
BRepExtrema_DistShapeShape::BRepExtrema_DistShapeShape()
: myDistRef(0.),
myIsDone(Standard_False),
myInnerSol(Standard_False),
myEps(Precision::Confusion()),
myFlag(Extrema_ExtFlag_MINMAX),
myAlgo(Extrema_ExtAlgo_Grad)
: myDistRef (0.0),
myIsDone (Standard_False),
myInnerSol (Standard_False),
myEps (Precision::Confusion()),
myIsInitS1 (Standard_False),
myIsInitS2 (Standard_False),
myFlag (Extrema_ExtFlag_MINMAX),
myAlgo (Extrema_ExtAlgo_Grad)
{
//
}
//=======================================================================
@ -140,12 +225,14 @@ BRepExtrema_DistShapeShape::BRepExtrema_DistShapeShape(const TopoDS_Shape& Shape
const TopoDS_Shape& Shape2,
const Extrema_ExtFlag F,
const Extrema_ExtAlgo A)
: myDistRef(0.),
myIsDone(Standard_False),
myInnerSol(Standard_False),
myEps(Precision::Confusion()),
myFlag(F),
myAlgo(A)
: myDistRef (0.0),
myIsDone (Standard_False),
myInnerSol (Standard_False),
myEps (Precision::Confusion()),
myIsInitS1 (Standard_False),
myIsInitS2 (Standard_False),
myFlag (F),
myAlgo (A)
{
LoadS1(Shape1);
LoadS2(Shape2);
@ -162,12 +249,14 @@ BRepExtrema_DistShapeShape::BRepExtrema_DistShapeShape(const TopoDS_Shape& Shape
const Standard_Real theDeflection,
const Extrema_ExtFlag F,
const Extrema_ExtAlgo A)
: myDistRef(0.),
myIsDone(Standard_False),
myInnerSol(Standard_False),
myEps(theDeflection),
myFlag(F),
myAlgo(A)
: myDistRef (0.0),
myIsDone (Standard_False),
myInnerSol (Standard_False),
myEps (theDeflection),
myIsInitS1 (Standard_False),
myIsInitS2 (Standard_False),
myFlag (F),
myAlgo (A)
{
LoadS1(Shape1);
LoadS2(Shape2);
@ -179,10 +268,11 @@ BRepExtrema_DistShapeShape::BRepExtrema_DistShapeShape(const TopoDS_Shape& Shape
//purpose :
//=======================================================================
void BRepExtrema_DistShapeShape::LoadS1(const TopoDS_Shape& Shape1)
void BRepExtrema_DistShapeShape::LoadS1 (const TopoDS_Shape& Shape1)
{
myShape1 = Shape1;
Decomposition(Shape1, myMapV1, myMapE1, myMapF1);
myIsInitS1 = Standard_False;
Decomposition (Shape1, myMapV1, myMapE1, myMapF1);
}
//=======================================================================
@ -190,10 +280,11 @@ void BRepExtrema_DistShapeShape::LoadS1(const TopoDS_Shape& Shape1)
//purpose :
//=======================================================================
void BRepExtrema_DistShapeShape::LoadS2(const TopoDS_Shape& Shape2)
void BRepExtrema_DistShapeShape::LoadS2 (const TopoDS_Shape& Shape2)
{
myShape2 = Shape2;
Decomposition(Shape2, myMapV2, myMapE2, myMapF2);
myIsInitS2 = Standard_False;
Decomposition (Shape2, myMapV2, myMapE2, myMapF2);
}
//=======================================================================
@ -212,7 +303,6 @@ Standard_Boolean BRepExtrema_DistShapeShape::Perform()
return Standard_False;
TopoDS_Vertex V;
Bnd_SeqOfBox BV1, BV2, BE1, BE2, BF1, BF2;
const Standard_Real tol = 0.001;
// Treatment of solids
@ -262,16 +352,35 @@ Standard_Boolean BRepExtrema_DistShapeShape::Perform()
}
}
}
if (!myInnerSol)
{
BoxCalculation(myMapV1,BV1);
BoxCalculation(myMapE1,BE1);
BoxCalculation(myMapF1,BF1);
BoxCalculation(myMapV2,BV2);
BoxCalculation(myMapE2,BE2);
BoxCalculation(myMapF2,BF2);
if (!myIsInitS1) // rebuild cached data for 1st shape
{
myBV1.Clear();
myBE1.Clear();
myBF1.Clear();
BoxCalculation (myMapV1, myBV1);
BoxCalculation (myMapE1, myBE1);
BoxCalculation (myMapF1, myBF1);
myIsInitS1 = Standard_True;
}
if (!myIsInitS2) // rebuild cached data for 2nd shape
{
myBV2.Clear();
myBE2.Clear();
myBF2.Clear();
BoxCalculation (myMapV2, myBV2);
BoxCalculation (myMapE2, myBE2);
BoxCalculation (myMapF2, myBF2);
myIsInitS2 = Standard_True;
}
if (myMapV1.Extent() && myMapV2.Extent())
{
TopoDS_Vertex V1 = TopoDS::Vertex(myMapV1(1));
@ -281,17 +390,19 @@ Standard_Boolean BRepExtrema_DistShapeShape::Perform()
else
myDistRef= 1.e30; //szv:!!!
DistanceMapMap(myMapV1, myMapV2, BV1, BV2);
DistanceMapMap(myMapV1, myMapE2, BV1, BE2);
DistanceMapMap(myMapE1, myMapV2, BE1, BV2);
DistanceMapMap(myMapV1, myMapF2, BV1, BF2);
DistanceMapMap(myMapF1, myMapV2, BF1, BV2);
DistanceMapMap(myMapE1, myMapE2, BE1, BE2);
DistanceMapMap(myMapE1, myMapF2, BE1, BF2);
DistanceMapMap(myMapF1, myMapE2, BF1, BE2);
DistanceMapMap (myMapV1, myMapV2, myBV1, myBV2);
DistanceMapMap (myMapV1, myMapE2, myBV1, myBE2);
DistanceMapMap (myMapE1, myMapV2, myBE1, myBV2);
DistanceMapMap (myMapV1, myMapF2, myBV1, myBF2);
DistanceMapMap (myMapF1, myMapV2, myBF1, myBV2);
DistanceMapMap (myMapE1, myMapE2, myBE1, myBE2);
DistanceMapMap (myMapE1, myMapF2, myBE1, myBF2);
DistanceMapMap (myMapF1, myMapE2, myBF1, myBE2);
if( (fabs(myDistRef)) > myEps )
DistanceMapMap(myMapF1,myMapF2,BF1,BF2);
if (fabs (myDistRef) > myEps)
{
DistanceMapMap (myMapF1, myMapF2, myBF1, myBF2);
}
// Modified by Sergey KHROMOV - Tue Mar 6 11:55:03 2001 Begin
Standard_Integer i = 1;

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@ -14,20 +14,20 @@
#ifndef _BRepExtrema_DistShapeShape_HeaderFile
#define _BRepExtrema_DistShapeShape_HeaderFile
#include <Bnd_SeqOfBox.hxx>
#include <BRepExtrema_SeqOfSolution.hxx>
#include <BRepExtrema_SolutionElem.hxx>
#include <BRepExtrema_SupportType.hxx>
#include <Extrema_ExtAlgo.hxx>
#include <Extrema_ExtFlag.hxx>
#include <gp_Pnt.hxx>
#include <TopoDS_Shape.hxx>
#include <TopTools_IndexedMapOfShape.hxx>
#include <Extrema_ExtFlag.hxx>
#include <Extrema_ExtAlgo.hxx>
#include <BRepExtrema_SupportType.hxx>
#include <gp_Pnt.hxx>
#include <Standard_OStream.hxx>
#include <Standard_DefineAlloc.hxx>
class TopoDS_Shape;
class TopTools_IndexedMapOfShape;
class Bnd_SeqOfBox;
//! This class provides tools to compute minimum distance <br>
@ -156,8 +156,16 @@ private:
TopTools_IndexedMapOfShape myMapE2;
TopTools_IndexedMapOfShape myMapF1;
TopTools_IndexedMapOfShape myMapF2;
Standard_Boolean myIsInitS1;
Standard_Boolean myIsInitS2;
Extrema_ExtFlag myFlag;
Extrema_ExtAlgo myAlgo;
Bnd_SeqOfBox myBV1;
Bnd_SeqOfBox myBV2;
Bnd_SeqOfBox myBE1;
Bnd_SeqOfBox myBE2;
Bnd_SeqOfBox myBF1;
Bnd_SeqOfBox myBF2;
};
#endif

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@ -18,16 +18,12 @@
#include <DBRep.hxx>
#include <BRepTest.hxx>
#include <gp_Pnt.hxx>
#include <TopoDS_Shape.hxx>
#include <TopoDS_Edge.hxx>
#include <BRepExtrema_Poly.hxx>
#include <BRepExtrema_DistShapeShape.hxx>
#include <BRepLib_MakeEdge.hxx>
#include <BRepLib_MakeEdge.hxx>
#include <BRepLib_MakeVertex.hxx>
#include <Draw.hxx>
#include <Draw_Interpretor.hxx>
//#ifdef WNT
#include <stdio.h>
//#endif
@ -58,6 +54,7 @@ static Standard_Integer distance (Draw_Interpretor& di,
DBRep::Set("distance",E);
return 0;
}
static Standard_Integer distmini(Draw_Interpretor& di, Standard_Integer n, const char** a)
{
Standard_Integer i1;
@ -124,31 +121,25 @@ static Standard_Integer distmini(Draw_Interpretor& di, Standard_Integer n, const
//purpose :
//=======================================================================
void BRepTest::ExtremaCommands(Draw_Interpretor& theCommands)
void BRepTest::ExtremaCommands (Draw_Interpretor& theCommands)
{
static Standard_Boolean done = Standard_False;
if (done) return;
done = Standard_True;
static const char* aGroup = "TOPOLOGY Extrema commands";
static Standard_Boolean isDone = Standard_False;
if (isDone)
{
return;
}
isDone = Standard_True;
const char* g = "TOPOLOGY Extrema commands";
theCommands.Add ("dist",
"dist Shape1 Shape2",
__FILE__,
distance,
aGroup);
theCommands.Add("dist","dist Shape1 Shape2" ,__FILE__,distance,g);
theCommands.Add("distmini",
"distmini name Shape1 Shape2",
__FILE__,
distmini,g);
theCommands.Add ("distmini",
"distmini name Shape1 Shape2",
__FILE__,
distmini,
aGroup);
}

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@ -14,7 +14,10 @@
// commercial license or contractual agreement.
#include <QADraw.hxx>
#include <Draw.hxx>
#include <Draw_Interpretor.hxx>
#include <Draw_Window.hxx>
#include <Draw_Viewer.hxx>
#include <Image_AlienPixMap.hxx>
#include <V3d_View.hxx>
#include <ViewerTest.hxx>
@ -23,15 +26,21 @@
#include <TColStd_ListOfInteger.hxx>
#include <TColStd_ListIteratorOfListOfInteger.hxx>
#include <TColStd_HSequenceOfReal.hxx>
#include <TopoDS_Shape.hxx>
#include <AIS_InteractiveContext.hxx>
#include <Draw.hxx>
#include <Draw_Window.hxx>
#include <Draw_Viewer.hxx>
#include <Aspect_Window.hxx>
#include <Aspect_WindowDriver.hxx>
#include <stdio.h>
#include <Aspect_DisplayConnection.hxx>
#include <Graphic3d.hxx>
#include <Aspect_Window.hxx>
#include <DBRep.hxx>
#include <Bnd_Box.hxx>
#include <BRepBndLib.hxx>
#include <BRepExtrema_DistShapeShape.hxx>
#include <BRepBuilderAPI_MakeVertex.hxx>
#include <TopTools_SequenceOfShape.hxx>
#include <TColgp_SequenceOfXYZ.hxx>
#include <OSD_Timer.hxx>
#include <stdio.h>
#if defined(_WIN32) || defined(__WIN32__)
# include <windows.h>
@ -236,14 +245,146 @@ static int VTrihedronOrigins(Draw_Interpretor& di,
return 0;
}
void QADraw::CommonCommands(Draw_Interpretor& theCommands)
//=======================================================================
//function : QATestExtremaSS
//purpose :
//=======================================================================
static Standard_Integer QATestExtremaSS (Draw_Interpretor& theInterpretor,
Standard_Integer theArgNb,
const char** theArgs)
{
if (theArgNb < 3
|| theArgNb > 4)
{
std::cerr << "Usage: type help " << theArgs[0] << std::endl;
return 1;
}
// Get target shape
TopoDS_Shape aShape = DBRep::Get (theArgs[1]);
if (aShape.IsNull())
{
std::cerr << "Error: " << theArgs[1] << " shape is null\n";
return 1;
}
// Get step value
const Standard_Real aStep = Draw::Atof (theArgs[2]);
if (aStep <= 1e-5)
{
std::cerr << "Error: Step " << aStep << " is too small\n";
return 1;
}
Extrema_ExtFlag aFlag = Extrema_ExtFlag_MIN;
if (theArgNb > 3)
{
Standard_Integer aVal = Draw::Atoi (theArgs[3]);
if (aVal > 0)
{
aFlag = aVal == 1 ? Extrema_ExtFlag_MAX : Extrema_ExtFlag_MINMAX;
}
}
// Get bounding box of the shape
Bnd_Box aBounds;
BRepBndLib::Add (aShape, aBounds);
Standard_Real aXmin, aYmin, aZmin;
Standard_Real aXmax, aYmax, aZmax;
aBounds.Get (aXmin, aYmin, aZmin,
aXmax, aYmax, aZmax);
const Standard_Real aScaleFactor = 1.5;
aXmin *= aScaleFactor;
aYmin *= aScaleFactor;
aZmin *= aScaleFactor;
aXmax *= aScaleFactor;
aYmax *= aScaleFactor;
aZmax *= aScaleFactor;
TopTools_SequenceOfShape aList;
TColgp_SequenceOfXYZ aPoints;
for (Standard_Real aX = aXmin + 0.5 * aStep; aX < aXmax; aX += aStep)
{
for (Standard_Real aY = aYmin + 0.5 * aStep; aY < aYmax; aY += aStep)
{
aList.Append (BRepBuilderAPI_MakeVertex (gp_Pnt (aX, aY, aZmin)));
aList.Append (BRepBuilderAPI_MakeVertex (gp_Pnt (aX, aY, aZmax)));
aPoints.Append (gp_XYZ (aX, aY, aZmin));
aPoints.Append (gp_XYZ (aX, aY, aZmax));
}
for (Standard_Real aZ = aZmin + 0.5 * aStep; aZ < aZmax; aZ += aStep)
{
aList.Append (BRepBuilderAPI_MakeVertex (gp_Pnt (aX, aYmin, aZ)));
aList.Append (BRepBuilderAPI_MakeVertex (gp_Pnt (aX, aYmax, aZ)));
aPoints.Append (gp_XYZ (aX, aYmin, aZ));
aPoints.Append (gp_XYZ (aX, aYmax, aZ));
}
}
for (Standard_Real aY = aYmin + 0.5 * aStep; aY < aYmax; aY += aStep)
{
for (Standard_Real aZ = aZmin + 0.5 * aStep; aZ < aZmax; aZ += aStep)
{
aList.Append (BRepBuilderAPI_MakeVertex (gp_Pnt (aXmin, aY, aZ)));
aList.Append (BRepBuilderAPI_MakeVertex (gp_Pnt (aXmax, aY, aZ)));
aPoints.Append (gp_XYZ (aXmin, aY, aZ));
aPoints.Append (gp_XYZ (aXmax, aY, aZ));
}
}
const Standard_Integer aNbPoints = aList.Length();
theInterpretor << "Number of sampled points: " << aNbPoints << "\n";
// Perform projection of points
OSD_Timer aTimer;
aTimer.Start();
// Perform projection using standard method
BRepExtrema_DistShapeShape aTool;
aTool.SetFlag (aFlag);
aTool.LoadS1 (aShape);
for (Standard_Integer anIdx = 1; anIdx <= aNbPoints; ++anIdx)
{
aTool.LoadS2 (aList (anIdx));
aTool.Perform();
}
aTimer.Stop();
theInterpretor << "Test for gradient descent complete in: " << aTimer.ElapsedTime() << "\n";
return 0;
}
//=======================================================================
//function : CommonCommands
//purpose :
//=======================================================================
void QADraw::CommonCommands (Draw_Interpretor& theCommands)
{
const char* group = "QA_Commands";
theCommands.Add("QAGetPixelColor", "QAGetPixelColor coordinate_X coordinate_Y [color_R color_G color_B]", __FILE__,QAAISGetPixelColor, group);
theCommands.Add("vtri_orig",
"vtri_orig : vtri_orig trihedron_name - draws axis origin lines",
__FILE__,VTrihedronOrigins,group);
theCommands.Add ("QAGetPixelColor",
"QAGetPixelColor coordinate_X coordinate_Y [color_R color_G color_B]",
__FILE__,
QAAISGetPixelColor,
group);
theCommands.Add ("vtri_orig",
"vtri_orig : vtri_orig trihedron_name - draws axis origin lines",
__FILE__,
VTrihedronOrigins,
group);
theCommands.Add ("QATestExtremaSS",
"QATestExtremaSS Shape Step [Flag { MIN = 0 | MAX = 1 | MINMAX = 2 }]",
__FILE__,
QATestExtremaSS,
group);
// adding commands "rename" leads to the fact that QA commands doesn't work properly OCC23410, use function "renamevar"
// theCommands.Add("rename","rename name1 toname1 name2 toname2 ...",__FILE__,QArename,group);