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# SoVRMLElevationGrid.h

    00001 /**************************************************************************\
    00002  *
    00003  *  This file is part of the Coin 3D visualization library.
    00004  *  Copyright (C) 1998-2003 by Systems in Motion.  All rights reserved.
    00005  *
    00006  *  This library is free software; you can redistribute it and/or
    00007  *  modify it under the terms of the GNU General Public License
    00008  *  ("GPL") version 2 as published by the Free Software Foundation.
    00009  *  See the file LICENSE.GPL at the root directory of this source
    00010  *  distribution for additional information about the GNU GPL.
    00011  *
    00012  *  For using Coin with software that can not be combined with the GNU
    00013  *  GPL, and for taking advantage of the additional benefits of our
    00014  *  support services, please contact Systems in Motion about acquiring
    00015  *  a Coin Professional Edition License.
    00016  *
    00017  *  See <URL:http://www.coin3d.org> for  more information.
    00018  *
    00019  *  Systems in Motion, Teknobyen, Abels Gate 5, 7030 Trondheim, NORWAY.
    00020  *  <URL:http://www.sim.no>.
    00021  *
    00022 \**************************************************************************/
    00023
    00024 #ifndef COIN_SOVRMLELEVATIONGRID_H
    00025 #define COIN_SOVRMLELEVATIONGRID_H
    00026
    00027 #include <Inventor/nodes/SoSubNode.h>
    00028 #include <Inventor/VRMLnodes/SoVRMLGeometry.h>
    00029 #include <Inventor/fields/SoSFBool.h>
    00030 #include <Inventor/fields/SoSFFloat.h>
    00031 #include <Inventor/fields/SoSFInt32.h>
    00032 #include <Inventor/fields/SoSFBool.h>
    00033 #include <Inventor/fields/SoSFFloat.h>
    00034 #include <Inventor/fields/SoMFFloat.h>
    00035 #include <Inventor/fields/SoSFNode.h>
    00036
    00037 class SoChildList;
    00038
    00039 class SoVRMLElevationGridP;
    00040
    00041 class COIN_DLL_API SoVRMLElevationGrid : public SoVRMLGeometry
    00042 {
    00043   typedef SoVRMLGeometry inherited;
    00044   SO_NODE_HEADER(SoVRMLElevationGrid);
    00045
    00046 public:
    00047   static void initClass(void);
    00048   SoVRMLElevationGrid(void);
    00049
    00050   SoSFBool ccw;
    00051   SoSFBool solid;
    00052   SoSFFloat creaseAngle;
    00053   SoSFInt32 zDimension;
    00054   SoSFInt32 xDimension;
    00055   SoSFFloat zSpacing;
    00056   SoSFFloat xSpacing;
    00057   SoMFFloat height;
    00058   SoSFNode texCoord;
    00059   SoSFNode normal;
    00060   SoSFNode color;
    00061   SoSFBool colorPerVertex;
    00062   SoSFBool normalPerVertex;
    00063
    00064   virtual void GLRender(SoGLRenderAction * action);
    00065   virtual void rayPick(SoRayPickAction * action);
    00066   virtual void getPrimitiveCount(SoGetPrimitiveCountAction * action);
    00067
    00068 protected:
    00069   virtual ~SoVRMLElevationGrid(void);
    00070
    00071   virtual void notify(SoNotList * list);
    00072   virtual void generatePrimitives( SoAction * action );
    00073   virtual void computeBBox(SoAction * action, SbBox3f & bbox,
    00074                            SbVec3f & center);
    00075
    00076 private:
    00077   friend class SoVRMLElevationGridP;
    00078
    00079   enum Binding {
    00080     OVERALL,
    00081     PER_QUAD,
    00082     PER_VERTEX
    00083   };
    00084
    00085   Binding findMaterialBinding(void) const;
    00086   Binding findNormalBinding(void) const;
    00087
    00088   const SbVec3f * updateNormalCache(Binding & nbind);
    00089
    00090   SoVRMLElevationGridP * pimpl;
    00091
    00092 }; // class SoVRMLElevationGrid
    00093
    00094 #endif // ! COIN_SOVRMLELEVATIONGRID_H