SbSphereSheetProjector.h Source File

00001 /**************************************************************************\
00002  *
00003  *  This file is part of the Coin 3D visualization library.
00004  *  Copyright (C) 1998-2002 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 Lesser General Public License
00008  *  version 2.1 as published by the Free Software Foundation. See the
00009  *  file LICENSE.LGPL at the root directory of the distribution for
00010  *  more details.
00011  *
00012  *  If you want to use Coin for applications not compatible with the
00013  *  LGPL, please contact SIM to acquire a Professional Edition license.
00014  *
00015  *  Systems in Motion, Prof Brochs gate 6, 7030 Trondheim, NORWAY
00016  *  http://www.sim.no support@sim.no Voice: +47 22114160 Fax: +47 22207097
00017  *
00018 \**************************************************************************/
00019 
00020 #ifndef COIN_SBSPHERESHEETPROJECTOR_H
00021 #define COIN_SBSPHERESHEETPROJECTOR_H
00022 
00023 #include <Inventor/projectors/SbSphereProjector.h>
00024 #include <Inventor/SbPlane.h>
00025 
00026 class COIN_DLL_API SbSphereSheetProjector : public SbSphereProjector {
00027   typedef SbSphereProjector inherited;
00028 
00029 public:
00030   SbSphereSheetProjector(const SbBool orienttoeye = TRUE);
00031   SbSphereSheetProjector(const SbSphere & sph, const SbBool orienttoeye = TRUE);
00032 
00033   virtual SbProjector * copy(void) const;
00034   virtual SbVec3f project(const SbVec2f & point);
00035   virtual SbRotation getRotation(const SbVec3f & point1,
00036                                  const SbVec3f & point2);
00037 
00038 protected:
00039   void setupPlane(void);
00040 
00041   SbVec3f workingProjPoint;
00042   SbVec3f planePoint;
00043   SbVec3f planeDir;
00044   float planeDist;
00045   SbPlane tolPlane;
00046 };
00047 
00048 #endif // !COIN_SBSPHERESHEETPROJECTOR_H