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// File: DBRep_8.cxx
// Created: Fri Feb 18 17:24:52 1994
// Author: Remi LEQUETTE
// <rle@nonox>
#include <Standard_Stream.hxx>
#include <BRepTest.hxx>
#include <Draw_Interpretor.hxx>
#include <Draw_Appli.hxx>
#include <DBRep.hxx>
#include <BRepGProp.hxx>
#include <TopoDS_Shape.hxx>
#include <GProp_PrincipalProps.hxx>
#include <gp_Ax2.hxx>
#include <gp_Ax3.hxx>
#include <Draw_Axis3D.hxx>
#include <Precision.hxx>
#include <OSD_Chronometer.hxx>
#include <Geom_Surface.hxx>
#include <DrawTrSurf.hxx>
#include <Geom_Plane.hxx>
#include <gp_Pln.hxx>
#ifdef WNT
Standard_IMPORT Draw_Viewer dout;
#endif
Standard_Integer props(Draw_Interpretor& di, Standard_Integer n, const char** a)
{
if (n < 2) {
di << "Use: " << a[0] << " shape [epsilon] [c[losed]] [x y z]" << "\n";
di << "Compute properties of the shape" << "\n";
di << "The epsilon, if given, defines relative precision of computation" << "\n";
di << "The \"closed\" flag, if present, do computation only closed shells of the shape" << "\n";
di << "The centroid coordinates will be put to DRAW variables x y z (if given)\n" << "\n";
return 1;
}
TopoDS_Shape S = DBRep::Get(a[1]);
if (S.IsNull()) return 0;
GProp_GProps G;
Standard_Boolean onlyClosed = Standard_False;
Standard_Real eps = 1.0;
Standard_Boolean witheps = Standard_False;
if((n > 2 && *a[2]=='c') || (n > 3 && *a[3]=='c')) onlyClosed = Standard_True;
if(n > 2 && *a[2]!='c' && n != 5) {eps = atof (a[2]); witheps = Standard_True;}
if (witheps){
if (Abs(eps) < Precision::Angular()) return 2;
if (*a[0] == 'l')
BRepGProp::LinearProperties(S,G);
else if (*a[0] == 's')
eps = BRepGProp::SurfaceProperties(S,G,eps);
else
eps = BRepGProp::VolumeProperties(S,G,eps,onlyClosed);
}
else {
if (*a[0] == 'l')
BRepGProp::LinearProperties(S,G);
else if (*a[0] == 's')
BRepGProp::SurfaceProperties(S,G);
else
BRepGProp::VolumeProperties(S,G,onlyClosed);
}
gp_Pnt P = G.CentreOfMass();
gp_Mat I = G.MatrixOfInertia();
if (n >= 5) {
Standard_Integer shift = n - 5;
Draw::Set(a[shift+2],P.X());
Draw::Set(a[shift+3],P.Y());
Draw::Set(a[shift+4],P.Z());
}
Standard_SStream aSStream1;
aSStream1 << "\n\n";
aSStream1 << "Mass : " << setw(15) << G.Mass() << "\n" << "\n";
if(witheps && *a[0] != 'l') aSStream1 << "Relative error of mass computation : " << setw(15) << eps << "\n" << "\n";
aSStream1 << "Center of gravity : \n";
aSStream1 << "X = " << setw(15) << P.X() << "\n";
aSStream1 << "Y = " << setw(15) << P.Y() << "\n";
aSStream1 << "Z = " << setw(15) << P.Z() << "\n";
aSStream1 << "\n";
aSStream1 << "Matrix of Inertia : \n";
aSStream1 << setw(15) << I(1,1);
aSStream1 << " " << setw(15) << I(1,2);
aSStream1 << " " << setw(15) << I(1,3) << "\n";
aSStream1 << setw(15) << I(2,1);
aSStream1 << " " << setw(15) << I(2,2);
aSStream1 << " " << setw(15) << I(2,3) << "\n";
aSStream1 << setw(15) << I(3,1);
aSStream1 << " " << setw(15) << I(3,2);
aSStream1 << " " << setw(15) << I(3,3) << "\n";
aSStream1 << "\n";
aSStream1 << ends;
di << aSStream1;
GProp_PrincipalProps Pr = G.PrincipalProperties();
Standard_Real Ix,Iy,Iz;
Pr.Moments(Ix,Iy,Iz);
Standard_SStream aSStream2;
aSStream2 << "Moments : \n";
aSStream2 << "IX = " << setw(15) << Ix << "\n";
aSStream2 << "IY = " << setw(15) << Iy << "\n";
aSStream2 << "IZ = " << setw(15) << Iz << "\n";
aSStream2 << "\n";
aSStream2 << ends;
di << aSStream2;
//if (n == 2) {
gp_Ax2 axes(P,Pr.ThirdAxisOfInertia(),Pr.FirstAxisOfInertia());
Handle(Draw_Axis3D) Dax = new Draw_Axis3D(axes,Draw_orange,30);
dout << Dax;
//}
return 0;
}
Standard_Integer vpropsgk(Draw_Interpretor& di, Standard_Integer n, const char** a)
{
if (n < 2) {
di << "Use: " << a[0] << " shape epsilon closed span mode [x y z]" << "\n";
di << "Compute properties of the shape" << "\n";
di << "The epsilon defines relative precision of computation" << "\n";
di << "The \"closed\" flag, if equal 1, causes computation only closed shells of the shape" << "\n";
di << "The \"span\" flag, if equal 1, says that computation is performed on spans" << "\n";
di << " This option makes effect only for BSpline surfaces." << "\n";
di << "mode can be 0 - only volume calculations" << "\n";
di << " 1 - volume and gravity center" << "\n";
di << " 2 - volume, gravity center and matrix of inertia" << "\n";
di << "The centroid coordinates will be put to DRAW variables x y z (if given)\n" << "\n";
return 1;
}
if ( n > 2 && n < 6) {
di << "Wrong arguments" << "\n";
return 1;
}
TopoDS_Shape S = DBRep::Get(a[1]);
if (S.IsNull()) return 0;
GProp_GProps G;
Standard_Boolean onlyClosed = Standard_False;
Standard_Boolean isUseSpan = Standard_False;
Standard_Boolean CGFlag = Standard_False;
Standard_Boolean IFlag = Standard_False;
Standard_Real eps = 1.e-3;
//Standard_Real aDefaultTol = 1.e-3;
Standard_Integer mode = 0;
eps = atof(a[2]);
mode = atoi(a[3]);
if(mode > 0) onlyClosed = Standard_True;
mode = atoi(a[4]);
if(mode > 0) isUseSpan = Standard_True;
mode = atoi(a[5]);
if(mode == 1 || mode == 3) CGFlag = Standard_True;
if(mode == 2 || mode == 3) IFlag = Standard_True;
//OSD_Chronometer aChrono;
//aChrono.Reset();
//aChrono.Start();
eps = BRepGProp::VolumePropertiesGK(S, G, eps, onlyClosed, isUseSpan, CGFlag, IFlag);
//aChrono.Stop();
Standard_SStream aSStream0;
Standard_Integer anOutWidth = 24;
aSStream0.precision(15);
aSStream0 << "\n\n";
aSStream0 << "Mass : " << setw(anOutWidth) << G.Mass() << "\n" << "\n";
aSStream0 << "Relative error of mass computation : " << setw(anOutWidth) << eps << "\n" << "\n";
aSStream0 << ends;
di << aSStream0;
if(CGFlag || IFlag) {
Standard_SStream aSStream1;
gp_Pnt P = G.CentreOfMass();
if (n > 6) {
Draw::Set(a[6],P.X());
}
if (n > 7) {
Draw::Set(a[7],P.Y());
}
if (n > 8) {
Draw::Set(a[8],P.Z());
}
aSStream1.precision(15);
aSStream1 << "Center of gravity : \n";
aSStream1 << "X = " << setw(anOutWidth) << P.X() << "\n";
aSStream1 << "Y = " << setw(anOutWidth) << P.Y() << "\n";
aSStream1 << "Z = " << setw(anOutWidth) << P.Z() << "\n";
aSStream1 << "\n";
if(IFlag) {
gp_Mat I = G.MatrixOfInertia();
aSStream1 << "Matrix of Inertia : \n";
aSStream1 << setw(anOutWidth) << I(1,1);
aSStream1 << " " << setw(anOutWidth) << I(1,2);
aSStream1 << " " << setw(anOutWidth) << I(1,3) << "\n";
aSStream1 << setw(anOutWidth) << I(2,1);
aSStream1 << " " << setw(anOutWidth) << I(2,2);
aSStream1 << " " << setw(anOutWidth) << I(2,3) << "\n";
aSStream1 << setw(anOutWidth) << I(3,1);
aSStream1 << " " << setw(anOutWidth) << I(3,2);
aSStream1 << " " << setw(anOutWidth) << I(3,3) << "\n";
aSStream1 << "\n";
}
aSStream1 << ends;
di << aSStream1;
}
if(IFlag) {
GProp_PrincipalProps Pr = G.PrincipalProperties();
Standard_Real Ix,Iy,Iz;
Pr.Moments(Ix,Iy,Iz);
gp_Pnt P = G.CentreOfMass();
Standard_SStream aSStream2;
aSStream2.precision(15);
aSStream2 << "Moments : \n";
aSStream2 << "IX = " << setw(anOutWidth) << Ix << "\n";
aSStream2 << "IY = " << setw(anOutWidth) << Iy << "\n";
aSStream2 << "IZ = " << setw(anOutWidth) << Iz << "\n";
aSStream2 << "\n";
aSStream2 << "\n";
aSStream2 << ends;
di << aSStream2;
gp_Ax2 axes(P,Pr.ThirdAxisOfInertia(),Pr.FirstAxisOfInertia());
Handle(Draw_Axis3D) Dax = new Draw_Axis3D(axes,Draw_orange,30);
dout << Dax;
}
return 0;
}
//=======================================================================
//function : GPropCommands
//purpose :
//=======================================================================
void BRepTest::GPropCommands(Draw_Interpretor& theCommands)
{
static Standard_Boolean done = Standard_False;
if (done) return;
done = Standard_True;
DBRep::BasicCommands(theCommands);
const char* g = "Global properties";
theCommands.Add("lprops",
"lprops name [epsilon] [x y z] : compute linear properties",
__FILE__,
props,
g);
theCommands.Add("sprops",
"sprops name [epsilon] [x y z] : compute surfacic properties",
__FILE__,
props,
g);
theCommands.Add("vprops",
"vprops name [epsilon] [c[losed]] [x y z] : compute volumic properties",
__FILE__,
props,
g);
theCommands.Add("vpropsgk",
"vpropsgk name epsilon closed span mode [x y z] : compute volumic properties",
__FILE__,
vpropsgk,
g);
}
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