# SbSphereSheetProjector.h

    00001 #ifndef COIN_SBSPHERESHEETPROJECTOR_H
    00002 #define COIN_SBSPHERESHEETPROJECTOR_H
    00003
    00004 /**************************************************************************\
    00005  *
    00006  *  This file is part of the Coin 3D visualization library.
    00007  *  Copyright (C) 1998-2003 by Systems in Motion.  All rights reserved.
    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 Systems in Motion about acquiring
    00018  *  a Coin Professional Edition License.
    00019  *
    00020  *  See <URL:http://www.coin3d.org> for  more information.
    00021  *
    00022  *  Systems in Motion, Teknobyen, Abels Gate 5, 7030 Trondheim, NORWAY.
    00023  *  <URL:http://www.sim.no>.
    00024  *
    00025 \**************************************************************************/
    00026
    00027 #include <Inventor/projectors/SbSphereProjector.h>
    00028 #include <Inventor/SbPlane.h>
    00029
    00030 class COIN_DLL_API SbSphereSheetProjector : public SbSphereProjector {
    00031   typedef SbSphereProjector inherited;
    00032
    00033 public:
    00034   SbSphereSheetProjector(const SbBool orienttoeye = TRUE);
    00035   SbSphereSheetProjector(const SbSphere & sph, const SbBool orienttoeye = TRUE);
    00036
    00037   virtual SbProjector * copy(void) const;
    00038   virtual SbVec3f project(const SbVec2f & point);
    00039   virtual SbRotation getRotation(const SbVec3f & point1,
    00040                                  const SbVec3f & point2);
    00041
    00042 protected:
    00043   void setupPlane(void);
    00044
    00045   SbVec3f workingProjPoint;
    00046   SbVec3f planePoint;
    00047   SbVec3f planeDir;
    00048   float planeDist;
    00049   SbPlane tolPlane;
    00050 };
    00051
    00052 #endif // !COIN_SBSPHERESHEETPROJECTOR_H