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SoNurbsSurface.h
00001 #ifndef COIN_SONURBSSURFACE_H
00002 #define COIN_SONURBSSURFACE_H
00003 
00004 /**************************************************************************\
00005  *
00006  *  This file is part of the Coin 3D visualization library.
00007  *  Copyright (C) by Kongsberg Oil & Gas Technologies.
00008  *
00009  *  This library is free software; you can redistribute it and/or
00010  *  modify it under the terms of the GNU General Public License
00011  *  ("GPL") version 2 as published by the Free Software Foundation.
00012  *  See the file LICENSE.GPL at the root directory of this source
00013  *  distribution for additional information about the GNU GPL.
00014  *
00015  *  For using Coin with software that can not be combined with the GNU
00016  *  GPL, and for taking advantage of the additional benefits of our
00017  *  support services, please contact Kongsberg Oil & Gas Technologies
00018  *  about acquiring a Coin Professional Edition License.
00019  *
00020  *  See http://www.coin3d.org/ for more information.
00021  *
00022  *  Kongsberg Oil & Gas Technologies, Bygdoy Alle 5, 0257 Oslo, NORWAY.
00023  *  http://www.sim.no/  sales@sim.no  coin-support@coin3d.org
00024  *
00025 \**************************************************************************/
00026 
00027 #include <Inventor/nodes/SoSubNode.h>
00028 #include <Inventor/nodes/SoShape.h>
00029 #include <Inventor/fields/SoSFInt32.h>
00030 #include <Inventor/fields/SoMFFloat.h>
00031 
00032 template<class Master> class SoNurbsP;
00033 
00034 class COIN_DLL_API SoNurbsSurface : public SoShape {
00035   typedef SoShape inherited;
00036 
00037   SO_NODE_HEADER(SoNurbsSurface);
00038 
00039 public:
00040   static void initClass(void);
00041   SoNurbsSurface(void);
00042 
00043   SoSFInt32 numUControlPoints;
00044   SoSFInt32 numVControlPoints;
00045   SoSFInt32 numSControlPoints;
00046   SoSFInt32 numTControlPoints;
00047   SoMFFloat uKnotVector;
00048   SoMFFloat vKnotVector;
00049   SoMFFloat sKnotVector;
00050   SoMFFloat tKnotVector;
00051 
00052   virtual void GLRender(SoGLRenderAction * action);
00053   virtual void rayPick(SoRayPickAction * action);
00054   virtual void getPrimitiveCount(SoGetPrimitiveCountAction * action);
00055   void sendPrimitive(SoAction *,  SoPrimitiveVertex *);
00056 
00057 protected:
00058   virtual ~SoNurbsSurface();
00059 
00060   virtual void generatePrimitives(SoAction * action);
00061   virtual void computeBBox(SoAction * action, SbBox3f & box, SbVec3f & center);
00062   SoDetail * createTriangleDetail(SoRayPickAction * action,
00063                                   const SoPrimitiveVertex * v1,
00064                                   const SoPrimitiveVertex * v2,
00065                                   const SoPrimitiveVertex * v3,
00066                                   SoPickedPoint * pp);
00067 private:
00068   class SoNurbsSurfaceP * pimpl;
00069   friend class SoNurbsSurfaceP;
00070   friend class SoNurbsP<SoNurbsSurface>;
00071 };
00072 
00073 #endif // !COIN_SONURBSSURFACE_H

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