# SbCylinderSectionProjector.h

    00001 #ifndef COIN_SBCYLINDERSECTIONPROJECTOR_H
    00002 #define COIN_SBCYLINDERSECTIONPROJECTOR_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/SbCylinderProjector.h>
    00028 #include <Inventor/SbPlane.h>
    00029 #include <Inventor/SbRotation.h>
    00030
    00031 class COIN_DLL_API SbCylinderSectionProjector : public SbCylinderProjector {
    00032   typedef SbCylinderProjector inherited;
    00033
    00034 public:
    00035   SbCylinderSectionProjector(const float edgetol = 0.9f,
    00036                              const SbBool orienttoeye = TRUE);
    00037   SbCylinderSectionProjector(const SbCylinder & cyl,
    00038                              const float edgetol = 0.9f,
    00039                              const SbBool orienttoeye = TRUE);
    00040
    00041   virtual SbProjector * copy(void) const;
    00042   virtual SbVec3f project(const SbVec2f & point);
    00043   virtual SbRotation getRotation(const SbVec3f & point1,
    00044                                  const SbVec3f & point2);
    00045   void setTolerance(const float edgetol);
    00046   float getTolerance(void) const;
    00047   SbBool isWithinTolerance(const SbVec3f & point);
    00048
    00049 protected:
    00050   virtual void setupTolerance(void);
    00051   float tolerance;
    00052   float tolDist;
    00053   SbVec3f planeDir;
    00054   SbLine planeLine;
    00055   float planeDist;
    00056   SbPlane tolPlane;
    00057
    00058 private:
    00059   float sqrtoldist;
    00060 };
    00061
    00062 #endif // !COIN_SBCYLINDERSECTIONPROJECTOR_H