# SbSphereSectionProjector.h

    00001 #ifndef COIN_SBSPHERESECTIONPROJECTOR_H
    00002 #define COIN_SBSPHERESECTIONPROJECTOR_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 SbSphereSectionProjector : public SbSphereProjector {
    00031   typedef SbSphereProjector inherited;
    00032
    00033 public:
    00034   SbSphereSectionProjector(const float edgetol = 0.9f,
    00035                            const SbBool orienttoeye = TRUE);
    00036   SbSphereSectionProjector(const SbSphere & sph,
    00037                            const float edgetol = 0.9f,
    00038                            const SbBool orienttoeye = TRUE);
    00039
    00040   virtual SbProjector * copy(void) const;
    00041   virtual SbVec3f project(const SbVec2f & point);
    00042   virtual SbRotation getRotation(const SbVec3f & point1,
    00043                                  const SbVec3f & point2);
    00044   void setTolerance(const float edgetol);
    00045   float getTolerance(void) const;
    00046   void setRadialFactor(const float rad = 0.0f);
    00047   float getRadialFactor(void) const;
    00048   SbBool isWithinTolerance(const SbVec3f & point);
    00049
    00050 protected:
    00051   virtual void setupTolerance(void);
    00052
    00053   float tolerance;
    00054   float tolDist;
    00055   float radialFactor;
    00056   SbVec3f planePoint;
    00057   SbVec3f planeDir;
    00058   float planeDist;
    00059   SbPlane tolPlane;
    00060
    00061 private:
    00062   float sqrtoldist;
    00063 };
    00064
    00065 #endif // !COIN_SBSPHERESECTIONPROJECTOR_H