[occt.git] / src / DrawTrSurf / DrawTrSurf_BSplineSurface.cxx

// Copyright (c) 1995-1999 Matra Datavision
// Copyright (c) 1999-2012 OPEN CASCADE SAS
//
// The content of this file is subject to the Open CASCADE Technology Public
// License Version 6.5 (the "License"). You may not use the content of this file
// except in compliance with the License. Please obtain a copy of the License
// at http://www.opencascade.org and read it completely before using this file.
//
// The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
// main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
//
// The Original Code and all software distributed under the License is
// distributed on an "AS IS" basis, without warranty of any kind, and the
// Initial Developer hereby disclaims all such warranties, including without
// limitation, any warranties of merchantability, fitness for a particular
// purpose or non-infringement. Please see the License for the specific terms
// and conditions governing the rights and limitations under the License.

#include <DrawTrSurf_BSplineSurface.ixx>
#include <DrawTrSurf_BSplineCurve.hxx>
#include <Geom_BSplineSurface.hxx>
#include <Draw_MarkerShape.hxx>
#include <GeomAdaptor_HSurface.hxx>
#include <GeomAdaptor_Surface.hxx>
#include <Adaptor3d_IsoCurve.hxx>
#include <gp_Pnt2d.hxx>

#include <TColgp_Array2OfPnt.hxx>
#include <TColStd_Array1OfReal.hxx>


DrawTrSurf_BSplineSurface::DrawTrSurf_BSplineSurface (
   const Handle(Geom_BSplineSurface)& S)
   : DrawTrSurf_Surface (S, S->NbUKnots()-2, S->NbVKnots()-2, 
                         Draw_jaune, Draw_bleu, 30, 0.05, 0){

     drawPoles = Standard_True;
     drawKnots = Standard_True;
     knotsIsos  = Standard_True;
     knotsForm = Draw_Losange;
     knotsLook = Draw_violet;
     knotsDim  = 5;
     polesLook = Draw_rouge;
   }


   DrawTrSurf_BSplineSurface::DrawTrSurf_BSplineSurface (
   const Handle(Geom_BSplineSurface)& S, const Draw_Color& BoundsColor,
   const Draw_Color& IsosColor, const Draw_Color& PolesColor,
   const Draw_Color& KnotsColor, const Draw_MarkerShape KnotsShape,
   const Standard_Integer KnotsSize, const Standard_Boolean ShowPoles, const Standard_Boolean ShowKnots,
   const Standard_Integer Discret, const Standard_Real Deflection, const Standard_Integer DrawMode) 
   : DrawTrSurf_Surface (S, S->NbUKnots()-2, S->NbVKnots()-2, BoundsColor,
                         IsosColor, Discret, Deflection, DrawMode){

     knotsIsos  = Standard_True;
     drawPoles = ShowPoles;
     drawKnots = ShowKnots;
     knotsForm = KnotsShape;
     knotsLook = KnotsColor;
     knotsDim  = KnotsSize;
     polesLook = PolesColor;
   }


   DrawTrSurf_BSplineSurface::DrawTrSurf_BSplineSurface (
   const Handle(Geom_BSplineSurface)& S, const Standard_Integer NbUIsos,
   const Standard_Integer NbVIsos, const Draw_Color& BoundsColor,
   const Draw_Color& IsosColor, const Draw_Color& PolesColor,
   const Draw_Color& KnotsColor, const Draw_MarkerShape KnotsShape,
   const Standard_Integer KnotsSize, const Standard_Boolean ShowPoles, const Standard_Boolean ShowKnots,
   const Standard_Integer Discret, const Standard_Real Deflection, const Standard_Integer DrawMode) 
   : DrawTrSurf_Surface (S, Abs(NbUIsos), Abs(NbVIsos), BoundsColor, 
                         IsosColor, Discret, Deflection, DrawMode){

     knotsIsos  = Standard_False;
     drawPoles  = ShowPoles;
     drawKnots  = ShowKnots;
     knotsForm  = KnotsShape;
     knotsLook  = KnotsColor;
     knotsDim   = KnotsSize;
     polesLook  = PolesColor;
   }


void DrawTrSurf_BSplineSurface::DrawOn (Draw_Display& dis) const {
    
  Handle(Geom_BSplineSurface) S = Handle(Geom_BSplineSurface)::DownCast(surf);
  Standard_Integer i, j;

  Standard_Real Ua,Ub,Va,Vb;
  S->Bounds(Ua,Ub,Va,Vb);

  if (drawPoles) {
    Standard_Integer NbUPoles = S->NbUPoles();
    Standard_Integer NbVPoles = S->NbVPoles();
    dis.SetColor(polesLook);
    TColgp_Array2OfPnt SPoles (1, NbUPoles, 1, NbVPoles);
    S->Poles (SPoles);
    for (j = 1; j <= NbVPoles; j++) {
      dis.MoveTo(SPoles(1, j));
      for (i = 2; i <= NbUPoles; i++) {
	dis.DrawTo(SPoles(i, j));
      }
      if (S->IsUPeriodic())
	dis.DrawTo(SPoles(1,j));
    }
    for (i = 1; i <= NbUPoles; i++) {
      dis.MoveTo(SPoles(i, 1));
      for (j = 2; j <= NbVPoles; j++) {
	dis.DrawTo(SPoles(i, j));
      }
      if (S->IsVPeriodic())
	dis.DrawTo(SPoles(i,1));
    }
  }


  if (knotsIsos) {
    Standard_Integer first, last;
    Handle(GeomAdaptor_HSurface) HS = new GeomAdaptor_HSurface();
    HS->ChangeSurface().Load(surf);
    
    Adaptor3d_IsoCurve C(HS);

    dis.SetColor(isosLook);
    first = S->FirstUKnotIndex() + 1;
    last  = S->LastUKnotIndex() - 1;
    for (i = first; i <= last; i++) {
      DrawIsoCurveOn(C,GeomAbs_IsoU,S->UKnot(i),Va,Vb,dis);
    }
    first = S->FirstVKnotIndex() + 1;
    last  = S->LastVKnotIndex() - 1;
    for (j = first; j <= last; j++) {
      DrawIsoCurveOn(C,GeomAbs_IsoV,S->VKnot(j),Ua,Ub,dis);
    }
  }

  DrawTrSurf_Surface::DrawOn(dis,!knotsIsos);

  if (drawKnots) {
    Standard_Integer first, last;
    Standard_Integer NbUKnots = S->NbUKnots();
    TColStd_Array1OfReal SUKnots (1, NbUKnots);
    S->UKnots (SUKnots); 
    dis.SetColor(knotsLook);
    first = S->FirstUKnotIndex();
    last  = S->LastUKnotIndex();
    for (i = first; i <= last; i++) {
      dis.DrawMarker (S->Value (SUKnots(i), Va), knotsForm, knotsDim);
    }
    Standard_Integer NbVKnots = S->NbVKnots();
    TColStd_Array1OfReal SVKnots (1, NbVKnots);
    S->VKnots (SVKnots); 
    dis.SetColor(knotsLook);
    first = S->FirstVKnotIndex();
    last  = S->LastVKnotIndex();
    for (j = first; j <= last; j++) {
      dis.DrawMarker (S->Value (Ua, SVKnots(j)), knotsForm, knotsDim);
    }
  }
}


  void DrawTrSurf_BSplineSurface::ShowPoles () { drawPoles = Standard_True; }


  void DrawTrSurf_BSplineSurface::ShowKnots () { drawKnots = Standard_True; }


  void DrawTrSurf_BSplineSurface::ClearPoles () { drawPoles = Standard_False; }


  void DrawTrSurf_BSplineSurface::ShowKnotsIsos () { 
     knotsIsos = Standard_True;
     Handle(Geom_BSplineSurface) S = Handle(Geom_BSplineSurface)::DownCast(surf);
     nbUIsos = S->NbUKnots()-2;
     nbVIsos = S->NbVKnots()-2;
  }


  void DrawTrSurf_BSplineSurface::ClearIsos () { 

     knotsIsos = Standard_False;
     nbUIsos = 0;
     nbVIsos = 0;
  }


  void DrawTrSurf_BSplineSurface::ShowIsos (
  const Standard_Integer Nu, const Standard_Integer Nv) { 

     knotsIsos = Standard_False;
     nbUIsos = Abs(Nu);
     nbVIsos = Abs(Nv);
  }


  void DrawTrSurf_BSplineSurface::ClearKnots () { drawKnots = Standard_False; }


   void DrawTrSurf_BSplineSurface::FindPole (
   const Standard_Real X, const Standard_Real Y, const Draw_Display& D, const Standard_Real XPrec,
   Standard_Integer& UIndex, Standard_Integer& VIndex) const {

     Handle(Geom_BSplineSurface) bs = Handle(Geom_BSplineSurface)::DownCast(surf);
     gp_Pnt2d p1(X/D.Zoom(),Y/D.Zoom());
     Standard_Real Prec = XPrec / D.Zoom();
     UIndex++;
     VIndex++;
     Standard_Integer NbUPoles = bs->NbUPoles();
     Standard_Integer NbVPoles = bs->NbVPoles();
     while (VIndex <= NbVPoles) {
       while (UIndex <= NbUPoles) {
         if (D.Project(bs->Pole(UIndex, VIndex)).Distance(p1) <= Prec)
	   return;
         UIndex++;
       }
       UIndex = 1;
       VIndex++;
     }
     UIndex = VIndex = 0;
   }
 

   void DrawTrSurf_BSplineSurface::FindUKnot (
   const Standard_Real X, const Standard_Real Y, const Draw_Display& D, const Standard_Real Prec,
   Standard_Integer& UIndex) const {

     Handle(Geom_BSplineSurface) bs = Handle(Geom_BSplineSurface)::DownCast(surf);
     gp_Pnt2d p1(X,Y);
     UIndex++;
     Standard_Integer NbUKnots = bs->NbUKnots();
     Standard_Real U1, U2, V1, V2;
     surf->Bounds (U1, U2, V1, V2);
     while (UIndex <= NbUKnots) {
       if (D.Project(bs->Value(bs->UKnot(UIndex), V1)).Distance(p1) <= Prec)
	 return;
       UIndex++;
     }
     UIndex = 0;
   }


   void DrawTrSurf_BSplineSurface::FindVKnot (
   const Standard_Real X, const Standard_Real Y, const Draw_Display& D, const Standard_Real Prec,
   Standard_Integer& VIndex) const {


     Handle(Geom_BSplineSurface) bs = Handle(Geom_BSplineSurface)::DownCast(surf);
     gp_Pnt2d p1(X,Y);
     VIndex++;
     Standard_Integer NbVKnots = bs->NbVKnots();
     Standard_Real U1, U2, V1, V2;
     surf->Bounds (U1, U2, V1, V2);
     while (VIndex <= NbVKnots) {
       if (D.Project(bs->Value(U1, bs->VKnot(VIndex))).Distance(p1) <= Prec)
	 return;
       VIndex++;
     }
     VIndex = 0;
  }


//=======================================================================
//function : Copy
//purpose  : 
//=======================================================================

Handle(Draw_Drawable3D)  DrawTrSurf_BSplineSurface::Copy()const 
{
  Handle(DrawTrSurf_BSplineSurface) DS;
  if (!knotsIsos)
    DS = new DrawTrSurf_BSplineSurface
      (Handle(Geom_BSplineSurface)::DownCast(surf->Copy()),
       nbUIsos,nbVIsos,
       boundsLook,isosLook,polesLook,knotsLook,
       knotsForm,knotsDim,drawPoles,drawKnots,
       GetDiscretisation(),GetDeflection(),GetDrawMode());
  else
    DS = new DrawTrSurf_BSplineSurface
      (Handle(Geom_BSplineSurface)::DownCast(surf->Copy()),
       boundsLook,isosLook,polesLook,knotsLook,
       knotsForm,knotsDim,drawPoles,drawKnots,
       GetDiscretisation(),GetDeflection(),GetDrawMode());

  return DS;

}
Commit	Line	Data
b311480e	1	// Copyright (c) 1995-1999 Matra Datavision
	2	// Copyright (c) 1999-2012 OPEN CASCADE SAS
	3	//
	4	// The content of this file is subject to the Open CASCADE Technology Public
	5	// License Version 6.5 (the "License"). You may not use the content of this file
	6	// except in compliance with the License. Please obtain a copy of the License
	7	// at http://www.opencascade.org and read it completely before using this file.
	8	//
	9	// The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
	10	// main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
	11	//
	12	// The Original Code and all software distributed under the License is
	13	// distributed on an "AS IS" basis, without warranty of any kind, and the
	14	// Initial Developer hereby disclaims all such warranties, including without
	15	// limitation, any warranties of merchantability, fitness for a particular
	16	// purpose or non-infringement. Please see the License for the specific terms
	17	// and conditions governing the rights and limitations under the License.
	18
7fd59977	19	#include <DrawTrSurf_BSplineSurface.ixx>
	20	#include <DrawTrSurf_BSplineCurve.hxx>
	21	#include <Geom_BSplineSurface.hxx>
	22	#include <Draw_MarkerShape.hxx>
	23	#include <GeomAdaptor_HSurface.hxx>
	24	#include <GeomAdaptor_Surface.hxx>
	25	#include <Adaptor3d_IsoCurve.hxx>
	26	#include <gp_Pnt2d.hxx>
	27
	28	#include <TColgp_Array2OfPnt.hxx>
	29	#include <TColStd_Array1OfReal.hxx>
	30
	31
	32
b311480e	33	DrawTrSurf_BSplineSurface::DrawTrSurf_BSplineSurface (
7fd59977	34	const Handle(Geom_BSplineSurface)& S)
	35	: DrawTrSurf_Surface (S, S->NbUKnots()-2, S->NbVKnots()-2,
	36	Draw_jaune, Draw_bleu, 30, 0.05, 0){
	37
	38	drawPoles = Standard_True;
	39	drawKnots = Standard_True;
	40	knotsIsos = Standard_True;
	41	knotsForm = Draw_Losange;
	42	knotsLook = Draw_violet;
	43	knotsDim = 5;
	44	polesLook = Draw_rouge;
	45	}
	46
	47
	48
	49
	50	DrawTrSurf_BSplineSurface::DrawTrSurf_BSplineSurface (
	51	const Handle(Geom_BSplineSurface)& S, const Draw_Color& BoundsColor,
	52	const Draw_Color& IsosColor, const Draw_Color& PolesColor,
	53	const Draw_Color& KnotsColor, const Draw_MarkerShape KnotsShape,
	54	const Standard_Integer KnotsSize, const Standard_Boolean ShowPoles, const Standard_Boolean ShowKnots,
	55	const Standard_Integer Discret, const Standard_Real Deflection, const Standard_Integer DrawMode)
	56	: DrawTrSurf_Surface (S, S->NbUKnots()-2, S->NbVKnots()-2, BoundsColor,
	57	IsosColor, Discret, Deflection, DrawMode){
	58
	59	knotsIsos = Standard_True;
	60	drawPoles = ShowPoles;
	61	drawKnots = ShowKnots;
	62	knotsForm = KnotsShape;
	63	knotsLook = KnotsColor;
	64	knotsDim = KnotsSize;
	65	polesLook = PolesColor;
	66	}
	67
	68
	69
	70	DrawTrSurf_BSplineSurface::DrawTrSurf_BSplineSurface (
	71	const Handle(Geom_BSplineSurface)& S, const Standard_Integer NbUIsos,
	72	const Standard_Integer NbVIsos, const Draw_Color& BoundsColor,
	73	const Draw_Color& IsosColor, const Draw_Color& PolesColor,
	74	const Draw_Color& KnotsColor, const Draw_MarkerShape KnotsShape,
	75	const Standard_Integer KnotsSize, const Standard_Boolean ShowPoles, const Standard_Boolean ShowKnots,
	76	const Standard_Integer Discret, const Standard_Real Deflection, const Standard_Integer DrawMode)
	77	: DrawTrSurf_Surface (S, Abs(NbUIsos), Abs(NbVIsos), BoundsColor,
	78	IsosColor, Discret, Deflection, DrawMode){
	79
	80	knotsIsos = Standard_False;
	81	drawPoles = ShowPoles;
	82	drawKnots = ShowKnots;
	83	knotsForm = KnotsShape;
	84	knotsLook = KnotsColor;
	85	knotsDim = KnotsSize;
	86	polesLook = PolesColor;
	87	}
	88
	89
	90
	91
	92	void DrawTrSurf_BSplineSurface::DrawOn (Draw_Display& dis) const {
	93
	94	Handle(Geom_BSplineSurface) S = Handle(Geom_BSplineSurface)::DownCast(surf);
	95	Standard_Integer i, j;
	96
	97	Standard_Real Ua,Ub,Va,Vb;
98	S->Bounds(Ua,Ub,Va,Vb);
99
100	if (drawPoles) {
101	Standard_Integer NbUPoles = S->NbUPoles();
102	Standard_Integer NbVPoles = S->NbVPoles();
103	dis.SetColor(polesLook);
104	TColgp_Array2OfPnt SPoles (1, NbUPoles, 1, NbVPoles);
105	S->Poles (SPoles);
106	for (j = 1; j <= NbVPoles; j++) {
107	dis.MoveTo(SPoles(1, j));
108	for (i = 2; i <= NbUPoles; i++) {
109	dis.DrawTo(SPoles(i, j));
110	}
111	if (S->IsUPeriodic())
112	dis.DrawTo(SPoles(1,j));
113	}
114	for (i = 1; i <= NbUPoles; i++) {
115	dis.MoveTo(SPoles(i, 1));
116	for (j = 2; j <= NbVPoles; j++) {
117	dis.DrawTo(SPoles(i, j));
118	}
119	if (S->IsVPeriodic())
120	dis.DrawTo(SPoles(i,1));
121	}
122	}
123
124
125	if (knotsIsos) {
126	Standard_Integer first, last;
127	Handle(GeomAdaptor_HSurface) HS = new GeomAdaptor_HSurface();
128	HS->ChangeSurface().Load(surf);
129
130	Adaptor3d_IsoCurve C(HS);
131
132	dis.SetColor(isosLook);
133	first = S->FirstUKnotIndex() + 1;
134	last = S->LastUKnotIndex() - 1;
135	for (i = first; i <= last; i++) {
136	DrawIsoCurveOn(C,GeomAbs_IsoU,S->UKnot(i),Va,Vb,dis);
137	}
138	first = S->FirstVKnotIndex() + 1;
139	last = S->LastVKnotIndex() - 1;
140	for (j = first; j <= last; j++) {
141	DrawIsoCurveOn(C,GeomAbs_IsoV,S->VKnot(j),Ua,Ub,dis);
142	}
143	}
144
145	DrawTrSurf_Surface::DrawOn(dis,!knotsIsos);
146
147	if (drawKnots) {
148	Standard_Integer first, last;
149	Standard_Integer NbUKnots = S->NbUKnots();
150	TColStd_Array1OfReal SUKnots (1, NbUKnots);
151	S->UKnots (SUKnots);
152	dis.SetColor(knotsLook);
153	first = S->FirstUKnotIndex();
154	last = S->LastUKnotIndex();
155	for (i = first; i <= last; i++) {
156	dis.DrawMarker (S->Value (SUKnots(i), Va), knotsForm, knotsDim);
157	}
158	Standard_Integer NbVKnots = S->NbVKnots();
159	TColStd_Array1OfReal SVKnots (1, NbVKnots);
160	S->VKnots (SVKnots);
161	dis.SetColor(knotsLook);
162	first = S->FirstVKnotIndex();
163	last = S->LastVKnotIndex();
164	for (j = first; j <= last; j++) {
165	dis.DrawMarker (S->Value (Ua, SVKnots(j)), knotsForm, knotsDim);
166	}
167	}
168	}
169
170
171
172
173
174
175
176	void DrawTrSurf_BSplineSurface::ShowPoles () { drawPoles = Standard_True; }
177
178
179	void DrawTrSurf_BSplineSurface::ShowKnots () { drawKnots = Standard_True; }
180
181
182	void DrawTrSurf_BSplineSurface::ClearPoles () { drawPoles = Standard_False; }
183
184
185	void DrawTrSurf_BSplineSurface::ShowKnotsIsos () {
186	knotsIsos = Standard_True;
187	Handle(Geom_BSplineSurface) S = Handle(Geom_BSplineSurface)::DownCast(surf);
188	nbUIsos = S->NbUKnots()-2;
189	nbVIsos = S->NbVKnots()-2;
190	}
191
192
193
194	void DrawTrSurf_BSplineSurface::ClearIsos () {
195
196	knotsIsos = Standard_False;
197	nbUIsos = 0;
198	nbVIsos = 0;
199	}
200
201
202	void DrawTrSurf_BSplineSurface::ShowIsos (
203	const Standard_Integer Nu, const Standard_Integer Nv) {
204
205	knotsIsos = Standard_False;
206	nbUIsos = Abs(Nu);
207	nbVIsos = Abs(Nv);
208	}
209
210
211	void DrawTrSurf_BSplineSurface::ClearKnots () { drawKnots = Standard_False; }
212
213
214	void DrawTrSurf_BSplineSurface::FindPole (
215	const Standard_Real X, const Standard_Real Y, const Draw_Display& D, const Standard_Real XPrec,
216	Standard_Integer& UIndex, Standard_Integer& VIndex) const {
217
218	Handle(Geom_BSplineSurface) bs = Handle(Geom_BSplineSurface)::DownCast(surf);
219	gp_Pnt2d p1(X/D.Zoom(),Y/D.Zoom());
220	Standard_Real Prec = XPrec / D.Zoom();
221	UIndex++;
222	VIndex++;
223	Standard_Integer NbUPoles = bs->NbUPoles();
224	Standard_Integer NbVPoles = bs->NbVPoles();
225	while (VIndex <= NbVPoles) {
226	while (UIndex <= NbUPoles) {
227	if (D.Project(bs->Pole(UIndex, VIndex)).Distance(p1) <= Prec)
228	return;
229	UIndex++;
230	}
231	UIndex = 1;
232	VIndex++;
233	}
234	UIndex = VIndex = 0;
235	}
236
237
238
239	void DrawTrSurf_BSplineSurface::FindUKnot (
240	const Standard_Real X, const Standard_Real Y, const Draw_Display& D, const Standard_Real Prec,
241	Standard_Integer& UIndex) const {
242
243	Handle(Geom_BSplineSurface) bs = Handle(Geom_BSplineSurface)::DownCast(surf);
244	gp_Pnt2d p1(X,Y);
245	UIndex++;
246	Standard_Integer NbUKnots = bs->NbUKnots();
247	Standard_Real U1, U2, V1, V2;
248	surf->Bounds (U1, U2, V1, V2);
249	while (UIndex <= NbUKnots) {
250	if (D.Project(bs->Value(bs->UKnot(UIndex), V1)).Distance(p1) <= Prec)
251	return;
252	UIndex++;
253	}
254	UIndex = 0;
255	}
256
257
258	void DrawTrSurf_BSplineSurface::FindVKnot (
259	const Standard_Real X, const Standard_Real Y, const Draw_Display& D, const Standard_Real Prec,
260	Standard_Integer& VIndex) const {
261
262
263	Handle(Geom_BSplineSurface) bs = Handle(Geom_BSplineSurface)::DownCast(surf);
264	gp_Pnt2d p1(X,Y);
265	VIndex++;
266	Standard_Integer NbVKnots = bs->NbVKnots();
267	Standard_Real U1, U2, V1, V2;
268	surf->Bounds (U1, U2, V1, V2);
269	while (VIndex <= NbVKnots) {
270	if (D.Project(bs->Value(U1, bs->VKnot(VIndex))).Distance(p1) <= Prec)
271	return;
272	VIndex++;
273	}
274	VIndex = 0;
275	}
276
277
278
279	//=======================================================================
280	//function : Copy
281	//purpose :
282	//=======================================================================
283
284	Handle(Draw_Drawable3D) DrawTrSurf_BSplineSurface::Copy()const
285	{
286	Handle(DrawTrSurf_BSplineSurface) DS;
287	if (!knotsIsos)
288	DS = new DrawTrSurf_BSplineSurface
289	(Handle(Geom_BSplineSurface)::DownCast(surf->Copy()),
290	nbUIsos,nbVIsos,
291	boundsLook,isosLook,polesLook,knotsLook,
292	knotsForm,knotsDim,drawPoles,drawKnots,
293	GetDiscretisation(),GetDeflection(),GetDrawMode());
294	else
295	DS = new DrawTrSurf_BSplineSurface
296	(Handle(Geom_BSplineSurface)::DownCast(surf->Copy()),
297	boundsLook,isosLook,polesLook,knotsLook,
298	knotsForm,knotsDim,drawPoles,drawKnots,
299	GetDiscretisation(),GetDeflection(),GetDrawMode());
300
301	return DS;
302
303	}
304
305