+++ /dev/null
-// Created on: 1995-01-11
-// Created by: Remi LEQUETTE
-// Copyright (c) 1995-1999 Matra Datavision
-// Copyright (c) 1999-2014 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 <GeometryTest.hxx>
-#include <Geom2d_BSplineCurve.hxx>
-#include <Draw.hxx>
-#include <Draw_Interpretor.hxx>
-#include <DrawTrSurf.hxx>
-#include <Draw_Appli.hxx>
-#include <DrawTrSurf_Curve2d.hxx>
-#include <Geom2dAPI_ProjectPointOnCurve.hxx>
-#include <Geom2dAPI_ExtremaCurveCurve.hxx>
-#include <Geom2dAPI_PointsToBSpline.hxx>
-#include <Geom2dAPI_InterCurveCurve.hxx>
-#include <Geom2d_Line.hxx>
-#include <Geom2d_TrimmedCurve.hxx>
-#include <TColgp_Array1OfPnt2d.hxx>
-#include <gp_Pnt.hxx>
-#include <Draw_Marker2D.hxx>
-#include <Draw_Color.hxx>
-#include <Draw_MarkerShape.hxx>
-#include <TColStd_Array1OfReal.hxx>
-#include <GeomAbs_Shape.hxx>
-
-#include <stdio.h>
-#ifdef _WIN32
-Standard_IMPORT Draw_Viewer dout;
-#endif
-
-//=======================================================================
-//function : proj
-//purpose :
-//=======================================================================
-
-static Standard_Integer proj (Draw_Interpretor& di, Standard_Integer n, const char** a)
-{
- if ( n < 4) return 1;
-
- gp_Pnt2d P(Draw::Atof(a[2]),Draw::Atof(a[3]));
-
- char name[100];
-
- Handle(Geom2d_Curve) GC = DrawTrSurf::GetCurve2d(a[1]);
-
- if (GC.IsNull())
- return 1;
-
- Geom2dAPI_ProjectPointOnCurve proj(P,GC,GC->FirstParameter(),
- GC->LastParameter());
-
- for ( Standard_Integer i = 1; i <= proj.NbPoints(); i++) {
- gp_Pnt2d P1 = proj.Point(i);
- Handle(Geom2d_Line) L = new Geom2d_Line(P,gp_Vec2d(P,P1));
- Handle(Geom2d_TrimmedCurve) CT =
- new Geom2d_TrimmedCurve(L, 0., P.Distance(P1));
- Sprintf(name,"%s%d","ext_",i);
- char* temp = name; // portage WNT
- DrawTrSurf::Set(temp, CT);
- di << name << " ";
- }
-
- return 0;
-}
-
-//=======================================================================
-//function : appro
-//purpose :
-//=======================================================================
-
-static Standard_Integer appro(Draw_Interpretor& di, Standard_Integer n, const char** a)
-{
- // Approximation et interpolation 2d
-
- // 2dappro
- // - affiche la tolerance
- // 2dappro tol
- // - change la tolerance
- // 2dappro result nbpoint
- // - saisie interactive
- // 2dappro result nbpoint curve
- // - calcule des points sur la courbe
- // 2dappro result nbpoint x1 y1 x2 y2 ..
- // - tableau de points
- // 2dappro result nbpoint x1 dx y1 y2 ..
- // - tableau de points (x1,y1) (x1+dx,y2) ... avec x = t
-
-
- static Standard_Real Tol2d = 1.e-6;
-
- if (n < 3) {
- if (n == 2)
- Tol2d = Draw::Atof(a[1]);
-
- di << "Tolerance for 2d approx : "<< Tol2d << "\n";
- return 0;
- }
-
-
- Standard_Integer i, Nb = Draw::Atoi(a[2]);
-
- Standard_Boolean hasPoints = Standard_True;
- TColgp_Array1OfPnt2d Points(1, Nb);
- TColStd_Array1OfReal YValues(1,Nb);
- Standard_Real X0=0,DX=0;
-
- Handle(Draw_Marker2D) mark;
-
- if (n == 3) {
- // saisie interactive
- Standard_Integer id,XX,YY,b;
- dout.Select(id,XX,YY,b);
- Standard_Real zoom = dout.Zoom(id);
-
- Points(1) = gp_Pnt2d( ((Standard_Real)XX)/zoom,
- ((Standard_Real)YY)/zoom );
-
- mark = new Draw_Marker2D( Points(1), Draw_X, Draw_vert);
-
- dout << mark;
-
- for (Standard_Integer j = 2; j<=Nb; j++) {
- dout.Select(id,XX,YY,b);
- Points(j) = gp_Pnt2d( ((Standard_Real)XX)/zoom,
- ((Standard_Real)YY)/zoom );
- mark = new Draw_Marker2D( Points(j), Draw_X, Draw_vert);
- dout << mark;
- }
- }
- else {
- if ( n == 4) {
- // points sur courbe
- Handle(Geom2d_Curve) GC = DrawTrSurf::GetCurve2d(a[3]);
- if ( GC.IsNull())
- return 1;
-
- Standard_Real U, U1, U2;
- U1 = GC->FirstParameter();
- U2 = GC->LastParameter();
- Standard_Real Delta = ( U2 - U1) / (Nb-1);
- for ( i = 1 ; i <= Nb; i++) {
- U = U1 + (i-1) * Delta;
- Points(i) = GC->Value(U);
- }
- }
-
- else {
- // test points ou ordonnees
- hasPoints = Standard_False;
- Standard_Integer nc = n - 3;
- if (nc == 2 * Nb) {
- // points
- nc = 3;
- for (i = 1; i <= Nb; i++) {
- Points(i).SetCoord(Draw::Atof(a[nc]),Draw::Atof(a[nc+1]));
- nc += 2;
- }
- }
- else if (nc - 2 == Nb) {
- // YValues
- nc = 5;
- X0 = Draw::Atof(a[3]);
- DX = Draw::Atof(a[4]);
- for (i = 1; i <= Nb; i++) {
- YValues(i) = Draw::Atof(a[nc]);
- Points(i).SetCoord(X0+(i-1)*DX,YValues(i));
- nc++;
- }
- }
- else
- return 1;
- }
- // display the points
- for ( i = 1 ; i <= Nb; i++) {
- mark = new Draw_Marker2D( Points(i), Draw_X, Draw_vert);
- dout << mark;
- }
- }
- dout.Flush();
- Standard_Integer Dmin = 3;
- Standard_Integer Dmax = 8;
-
- Handle(Geom2d_BSplineCurve) TheCurve;
- if (hasPoints)
- TheCurve = Geom2dAPI_PointsToBSpline(Points,Dmin,Dmax,GeomAbs_C2,Tol2d);
- else
- TheCurve = Geom2dAPI_PointsToBSpline(YValues,X0,DX,Dmin,Dmax,GeomAbs_C2,Tol2d);
-
- DrawTrSurf::Set(a[1], TheCurve);
- di << a[1];
-
- return 0;
-
-}
-
-//=======================================================================
-//function : intersect
-//purpose :
-//=======================================================================
-
-static Standard_Integer intersect(Draw_Interpretor& /*di*/, Standard_Integer n, const char** a)
-{
- if( n < 2)
- return 1;
-
- Handle(Geom2d_Curve) C1 = DrawTrSurf::GetCurve2d(a[1]);
- if ( C1.IsNull())
- return 1;
-
- Standard_Real Tol = 0.001;
- Geom2dAPI_InterCurveCurve Intersector;
-
- Handle(Geom2d_Curve) C2;
- if ( n == 3) {
- C2 = DrawTrSurf::GetCurve2d(a[2]);
- if ( C2.IsNull())
- return 1;
- Intersector.Init(C1,C2,Tol);
- }
- else {
- Intersector.Init(C1, Tol);
- }
-
- Standard_Integer i;
-
- for ( i = 1; i <= Intersector.NbPoints(); i++) {
- gp_Pnt2d P = Intersector.Point(i);
- Handle(Draw_Marker2D) mark = new Draw_Marker2D( P, Draw_X, Draw_vert);
- dout << mark;
- }
- dout.Flush();
-
- Handle(Geom2d_Curve) S1,S2;
- Handle(DrawTrSurf_Curve2d) CD;
- if ( n == 3) {
- for ( i = 1; i <= Intersector.NbSegments(); i++) {
- Intersector.Segment(i,S1,S2);
- CD = new DrawTrSurf_Curve2d(S1, Draw_bleu, 30);
- dout << CD;
- CD = new DrawTrSurf_Curve2d(S2, Draw_violet, 30);
- dout << CD;
- }
- }
- dout.Flush();
-
- return 0;
-}
-
-
-void GeometryTest::API2dCommands(Draw_Interpretor& theCommands)
-{
- static Standard_Boolean done = Standard_False;
- if (done) return;
-
- const char *g;
-
- done = Standard_True;
- g = "GEOMETRY curves and surfaces analysis";
-
- theCommands.Add("2dproj", "proj curve x y",__FILE__, proj,g);
-
- g = "GEOMETRY approximations";
-
- theCommands.Add("2dapprox", "2dapprox result nbpoint [curve] [[x] y [x] y...]",__FILE__,
- appro,g);
- theCommands.Add("2dinterpole", "2dinterpole result nbpoint [curve] [[x] y [x] y ...]",__FILE__,
- appro,g);
-
- g = "GEOMETRY curves and surfaces analysis";
-
- g = "GEOMETRY intersections";
-
- theCommands.Add("2dintersect", "intersect curve curve",__FILE__,
- intersect,g);
-}
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