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_SBSPHERESECTIONPROJECTOR_H 00021 #define COIN_SBSPHERESECTIONPROJECTOR_H 00022 00023 #include <Inventor/projectors/SbSphereProjector.h> 00024 #include <Inventor/SbPlane.h> 00025 00026 00027 class COIN_DLL_API SbSphereSectionProjector : public SbSphereProjector { 00028 typedef SbSphereProjector inherited; 00029 00030 public: 00031 SbSphereSectionProjector(const float edgetol = 0.9f, 00032 const SbBool orienttoeye = TRUE); 00033 SbSphereSectionProjector(const SbSphere & sph, 00034 const float edgetol = 0.9f, 00035 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 void setTolerance(const float edgetol); 00042 float getTolerance(void) const; 00043 void setRadialFactor(const float rad = 0.0f); 00044 float getRadialFactor(void) const; 00045 SbBool isWithinTolerance(const SbVec3f & point); 00046 00047 protected: 00048 virtual void setupTolerance(void); 00049 00050 float tolerance; 00051 float tolDist; 00052 float radialFactor; 00053 SbVec3f planePoint; 00054 SbVec3f planeDir; 00055 float planeDist; 00056 SbPlane tolPlane; 00057 00058 private: 00059 float sqrtoldist; 00060 }; 00061 00062 #endif // !COIN_SBSPHERESECTIONPROJECTOR_H