Open Inventor Reference
MeVis/ThirdParty/Sources/Inventor/inventor/lib/database/include/Inventor/nodes/SoPointSet.h
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00001 /*
00002  *
00003  *  Copyright (C) 2000 Silicon Graphics, Inc.  All Rights Reserved. 
00004  *
00005  *  This library is free software; you can redistribute it and/or
00006  *  modify it under the terms of the GNU Lesser General Public
00007  *  License as published by the Free Software Foundation; either
00008  *  version 2.1 of the License, or (at your option) any later version.
00009  *
00010  *  This library is distributed in the hope that it will be useful,
00011  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00012  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013  *  Lesser General Public License for more details.
00014  *
00015  *  Further, this software is distributed without any warranty that it is
00016  *  free of the rightful claim of any third person regarding infringement
00017  *  or the like.  Any license provided herein, whether implied or
00018  *  otherwise, applies only to this software file.  Patent licenses, if
00019  *  any, provided herein do not apply to combinations of this program with
00020  *  other software, or any other product whatsoever.
00021  * 
00022  *  You should have received a copy of the GNU Lesser General Public
00023  *  License along with this library; if not, write to the Free Software
00024  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00025  *
00026  *  Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
00027  *  Mountain View, CA  94043, or:
00028  * 
00029  *  http://www.sgi.com 
00030  * 
00031  *  For further information regarding this notice, see: 
00032  * 
00033  *  http://oss.sgi.com/projects/GenInfo/NoticeExplan/
00034  *
00035  */
00036 
00037 
00038 /*
00039  * Copyright (C) 1990,91   Silicon Graphics, Inc.
00040  *
00041  _______________________________________________________________________
00042  ______________  S I L I C O N   G R A P H I C S   I N C .  ____________
00043  |
00044  |   $Revision: 1.1.1.1 $
00045  |
00046  |   Description:
00047  |      This file defines the SoPointSet node class.
00048  |
00049  |   Author(s)          : Paul S. Strauss
00050  |
00051  ______________  S I L I C O N   G R A P H I C S   I N C .  ____________
00052  _______________________________________________________________________
00053  */
00054 
00055 #ifndef  _SO_POINT_SET_
00056 #define  _SO_POINT_SET_
00057 
00058 #include <Inventor/fields/SoSFInt32.h>
00059 #include <Inventor/nodes/SoNonIndexedShape.h>
00060 
00061 
00064 #define SO_POINT_SET_USE_REST_OF_POINTS (-1)
00065 
00068 
00121 
00122 
00123 class INVENTOR_API SoPointSet : public SoNonIndexedShape {
00124 
00125     SO_NODE_HEADER(SoPointSet);
00126 
00127   public:
00129 
00130 
00132     SoSFInt32           numPoints;      
00133 
00135 
00137     SoPointSet();
00138 
00139   SoEXTENDER public:
00141     virtual void        GLRender(SoGLRenderAction *action);
00142 
00144     virtual void        getBoundingBox(SoGetBoundingBoxAction *action);
00145 
00146   SoINTERNAL public:
00147     static void         initClass();
00148 
00149   protected:
00151     virtual void        generatePrimitives(SoAction *action);
00152 
00154     virtual void        computeBBox(SoAction *action, SbBox3f &box,
00155                                     SbVec3f &center);
00156 
00158     virtual SoDetail *  createPointDetail(SoRayPickAction *action,
00159                                           const SoPrimitiveVertex *v,
00160                                           SoPickedPoint *pp);
00161 
00162   protected:
00163     virtual ~SoPointSet();
00164 
00165   private:
00167     SbBool              areMaterialsPerPoint(SoAction *action) const;
00168     SbBool              areNormalsPerPoint(SoAction *action) const;
00169 };
00170 
00171 #endif /* _SO_POINT_SET_ */