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occt/src/BRepTest/BRepTest_MatCommands.cxx

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C++
Executable File

// File: BRepTest_MatCommands.cxx
// Created: Tue Oct 4 09:25:21 1994
// Author: Yves FRICAUD
// <yfr@stylox>
#include <BRepTest.hxx>
#include <Draw_Interpretor.hxx>
#include <Draw_Appli.hxx>
#include <DrawTrSurf.hxx>
#include <DrawTrSurf_Curve2d.hxx>
#include <Geom2d_Line.hxx>
#include <Geom2d_Circle.hxx>
#include <Geom2d_Curve.hxx>
#include <Geom2d_TrimmedCurve.hxx>
#include <Geom2d_Parabola.hxx>
#include <Geom2d_Hyperbola.hxx>
#include <MAT_Bisector.hxx>
#include <MAT_Zone.hxx>
#include <MAT_Graph.hxx>
#include <MAT_Arc.hxx>
#include <MAT_BasicElt.hxx>
#include <MAT_Node.hxx>
#include <MAT_Side.hxx>
#include <Bisector_Bisec.hxx>
#include <Bisector_BisecAna.hxx>
#include <Bisector_Curve.hxx>
#include <Precision.hxx>
#include <BRepMAT2d_Explorer.hxx>
#include <BRepMAT2d_BisectingLocus.hxx>
#include <BRepMAT2d_LinkTopoBilo.hxx>
#include <gp_Parab2d.hxx>
#include <gp_Hypr2d.hxx>
#include <DBRep.hxx>
#include <TopoDS.hxx>
#ifdef WNT
Standard_IMPORT Draw_Viewer dout;
#endif
static BRepMAT2d_BisectingLocus MapBiLo;
static BRepMAT2d_Explorer anExplo;
static BRepMAT2d_LinkTopoBilo TopoBilo;
static MAT_Side SideOfMat = MAT_Left;
static Standard_Boolean LinkComputed;
static void DrawCurve(const Handle(Geom2d_Curve)& aCurve,
const Standard_Integer Indice);
//==========================================================================
//function : topoLoad
// loading of a face in the explorer.
//==========================================================================
static Standard_Integer topoload (Draw_Interpretor& , Standard_Integer argc, const char** argv)
{
if (argc < 2) return 1;
TopoDS_Shape C1 = DBRep::Get (argv[1],TopAbs_FACE);
if (C1.IsNull()) return 1;
anExplo.Perform (TopoDS::Face(C1));
return 0;
}
//==========================================================================
//function : drawcont
// visualization of the contour defined by the explorer.
//==========================================================================
static Standard_Integer drawcont(Draw_Interpretor& , Standard_Integer , const char**)
{
Handle(Geom2d_TrimmedCurve) C;
for (Standard_Integer j = 1; j <= anExplo.NumberOfContours(); j ++) {
for (anExplo.Init(j);anExplo.More();anExplo.Next()) {
DrawCurve(anExplo.Value(),1);
}
}
return 0;
}
//==========================================================================
//function : mat
// calculate the map of locations bisector on the contour defined by
// the explorer.
//==========================================================================
static Standard_Integer mat(Draw_Interpretor& , Standard_Integer, const char**)
{
MapBiLo.Compute(anExplo,1,SideOfMat);
LinkComputed = Standard_False;
return 0;
}
//============================================================================
//function : zone
// construction and display of the proximity zone associated to the
// base elements defined by the edge or the vertex.
//============================================================================
static Standard_Integer zone(Draw_Interpretor& , Standard_Integer argc , const char** argv)
{
if (argc < 2) return 1;
TopoDS_Shape S = DBRep::Get (argv[1],TopAbs_EDGE);
if (S.IsNull()) {
S = DBRep::Get (argv[1],TopAbs_VERTEX);
}
if (!LinkComputed) {
TopoBilo.Perform(anExplo,MapBiLo);
LinkComputed = Standard_True;
}
Standard_Boolean Reverse;
Handle(MAT_Zone) TheZone = new MAT_Zone();
for (TopoBilo.Init(S); TopoBilo.More(); TopoBilo.Next()) {
const Handle(MAT_BasicElt)& BE = TopoBilo.Value();
TheZone->Perform(BE);
for (Standard_Integer i=1; i <= TheZone->NumberOfArcs(); i++) {
DrawCurve(MapBiLo.GeomBis(TheZone->ArcOnFrontier(i),Reverse).Value(),2);
}
}
return 0;
}
//==========================================================================
//function : side
// side = left => calculation to the left of the contour.
// side = right => calculation to the right of the contour.
//==========================================================================
static Standard_Integer side(Draw_Interpretor& , Standard_Integer, const char** argv)
{
if(!strcmp(argv[1],"right"))
SideOfMat = MAT_Right;
else
SideOfMat = MAT_Left;
return 0;
}
//==========================================================================
//function : result
// Complete display of the calculated map.
//==========================================================================
static Standard_Integer result(Draw_Interpretor& , Standard_Integer, const char**)
{
Standard_Integer i,NbArcs=0;
Standard_Boolean Rev;
NbArcs = MapBiLo.Graph()->NumberOfArcs();
for (i=1; i <= NbArcs;i++) {
DrawCurve(MapBiLo.GeomBis(MapBiLo.Graph()->Arc(i),Rev).Value(),3);
}
return 0;
}
//==========================================================================
//function : DrawCurve
// Display of curve <aCurve> of Geom2d in a color defined by <Indice>.
// Indice = 1 yellow,
// Indice = 2 blue,
// Indice = 3 red,
// Indice = 4 green.
//==========================================================================
void DrawCurve(const Handle(Geom2d_Curve)& aCurve,
const Standard_Integer Indice)
{
Handle(Standard_Type) type = aCurve->DynamicType();
Handle(Geom2d_Curve) curve,CurveDraw;
Handle(DrawTrSurf_Curve2d) dr;
Draw_Color Couleur;
if (type == STANDARD_TYPE(Geom2d_TrimmedCurve)) {
curve = (*(Handle_Geom2d_TrimmedCurve*)&aCurve)->BasisCurve();
type = curve->DynamicType();
if (type == STANDARD_TYPE(Bisector_BisecAna)) {
curve =(*(Handle_Bisector_BisecAna*)&curve)->Geom2dCurve();
type = curve->DynamicType();
}
// PB of representation of semi_infinite curves.
gp_Parab2d gpParabola;
gp_Hypr2d gpHyperbola;
Standard_Real Focus;
Standard_Real Limit = 50000.;
Standard_Real delta = 400;
// PB of representation of semi_infinite curves.
if (aCurve->LastParameter() == Precision::Infinite()) {
if (type == STANDARD_TYPE(Geom2d_Parabola)) {
gpParabola = Handle(Geom2d_Parabola)::DownCast(curve)->Parab2d();
Focus = gpParabola.Focal();
Standard_Real Val1 = Sqrt(Limit*Focus);
Standard_Real Val2 = Sqrt(Limit*Limit);
delta= (Val1 <= Val2 ? Val1:Val2);
}
else if (type == STANDARD_TYPE(Geom2d_Hyperbola)) {
gpHyperbola = Handle(Geom2d_Hyperbola)::DownCast(curve)->Hypr2d();
Standard_Real Majr = gpHyperbola.MajorRadius();
Standard_Real Minr = gpHyperbola.MinorRadius();
Standard_Real Valu1 = Limit/Majr;
Standard_Real Valu2 = Limit/Minr;
Standard_Real Val1 = Log(Valu1+Sqrt(Valu1*Valu1-1));
Standard_Real Val2 = Log(Valu2+Sqrt(Valu2*Valu2+1));
delta = (Val1 <= Val2 ? Val1:Val2);
}
if (aCurve->FirstParameter() == -Precision::Infinite())
CurveDraw = new Geom2d_TrimmedCurve(aCurve, -delta, delta);
else
CurveDraw = new Geom2d_TrimmedCurve(aCurve,
aCurve->FirstParameter(),
aCurve->FirstParameter() + delta);
}
else {
CurveDraw = aCurve;
}
// end PB.
}
else {
CurveDraw = aCurve;
}
if (Indice == 1) Couleur = Draw_jaune;
else if (Indice == 2) Couleur = Draw_bleu;
else if (Indice == 3) Couleur = Draw_rouge;
else if (Indice == 4) Couleur = Draw_vert;
Standard_Integer Discret = 50;
if (type == STANDARD_TYPE(Geom2d_Circle))
dr = new DrawTrSurf_Curve2d(CurveDraw,Couleur,30,Standard_False);
else if (type == STANDARD_TYPE(Geom2d_Line))
dr = new DrawTrSurf_Curve2d(CurveDraw,Couleur,2,Standard_False);
else
dr = new DrawTrSurf_Curve2d(CurveDraw,Couleur,Discret,Standard_False);
dout << dr;
dout.Flush();
}
//==========================================================================
//function BRepTest:: MatCommands
//==========================================================================
void BRepTest::MatCommands (Draw_Interpretor& theCommands)
{
theCommands.Add("topoload","load face",__FILE__,topoload);
theCommands.Add("drawcont","display current contour",__FILE__,drawcont);
theCommands.Add("mat","computes the mat",__FILE__,mat);
theCommands.Add("side","side left/right",__FILE__,side);
theCommands.Add("result","result",__FILE__,result);
theCommands.Add("zone","zone edge or vertex",__FILE__,zone);
}