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_SBCYLINDERSECTIONPROJECTOR_H 00021 #define COIN_SBCYLINDERSECTIONPROJECTOR_H 00022 00023 #include <Inventor/projectors/SbCylinderProjector.h> 00024 #include <Inventor/SbPlane.h> 00025 #include <Inventor/SbRotation.h> 00026 00027 00028 class COIN_DLL_API SbCylinderSectionProjector : public SbCylinderProjector { 00029 typedef SbCylinderProjector inherited; 00030 00031 public: 00032 SbCylinderSectionProjector(const float edgetol = 0.9f, 00033 const SbBool orienttoeye = TRUE); 00034 SbCylinderSectionProjector(const SbCylinder & cyl, 00035 const float edgetol = 0.9f, 00036 const SbBool orienttoeye = TRUE); 00037 00038 virtual SbProjector * copy(void) const; 00039 virtual SbVec3f project(const SbVec2f & point); 00040 virtual SbRotation getRotation(const SbVec3f & point1, 00041 const SbVec3f & point2); 00042 void setTolerance(const float edgetol); 00043 float getTolerance(void) const; 00044 SbBool isWithinTolerance(const SbVec3f & point); 00045 00046 protected: 00047 virtual void setupTolerance(void); 00048 float tolerance; 00049 float tolDist; 00050 SbVec3f planeDir; 00051 SbLine planeLine; 00052 float planeDist; 00053 SbPlane tolPlane; 00054 00055 private: 00056 float sqrtoldist; 00057 }; 00058 00059 #endif // !COIN_SBCYLINDERSECTIONPROJECTOR_H