00001 /*========================================================================= 00002 00003 Program: Visualization Toolkit 00004 Module: $RCSfile: vtkCellPicker.h,v $ 00005 Language: C++ 00006 00007 00008 Copyright (c) 1993-2001 Ken Martin, Will Schroeder, Bill Lorensen 00009 All rights reserved. 00010 00011 Redistribution and use in source and binary forms, with or without 00012 modification, are permitted provided that the following conditions are met: 00013 00014 * Redistributions of source code must retain the above copyright notice, 00015 this list of conditions and the following disclaimer. 00016 00017 * Redistributions in binary form must reproduce the above copyright notice, 00018 this list of conditions and the following disclaimer in the documentation 00019 and/or other materials provided with the distribution. 00020 00021 * Neither name of Ken Martin, Will Schroeder, or Bill Lorensen nor the names 00022 of any contributors may be used to endorse or promote products derived 00023 from this software without specific prior written permission. 00024 00025 * Modified source versions must be plainly marked as such, and must not be 00026 misrepresented as being the original software. 00027 00028 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS'' 00029 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00030 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 00031 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR 00032 ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 00033 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 00034 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 00035 CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 00036 OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 00037 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00038 00039 =========================================================================*/ 00061 #ifndef __vtkCellPicker_h 00062 #define __vtkCellPicker_h 00063 00064 #include "vtkPicker.h" 00065 00066 class vtkGenericCell; 00067 00068 class VTK_RENDERING_EXPORT vtkCellPicker : public vtkPicker 00069 { 00070 public: 00071 static vtkCellPicker *New(); 00072 vtkTypeMacro(vtkCellPicker,vtkPicker); 00073 void PrintSelf(ostream& os, vtkIndent indent); 00074 00076 00077 vtkGetMacro(CellId, vtkIdType); 00079 00081 00082 vtkGetMacro(SubId, int); 00084 00086 00088 vtkGetVectorMacro(PCoords, float,3); 00090 00091 protected: 00092 vtkCellPicker(); 00093 ~vtkCellPicker(); 00094 00095 vtkIdType CellId; // picked cell 00096 int SubId; // picked cell subId 00097 float PCoords[3]; // picked cell parametric coordinates 00098 00099 virtual float IntersectWithLine(float p1[3], float p2[3], float tol, 00100 vtkAssemblyPath *path, vtkProp3D *p, 00101 vtkAbstractMapper3D *m); 00102 void Initialize(); 00103 00104 private: 00105 vtkGenericCell *Cell; //used to accelerate picking 00106 00107 private: 00108 vtkCellPicker(const vtkCellPicker&); // Not implemented. 00109 void operator=(const vtkCellPicker&); // Not implemented. 00110 }; 00111 00112 #endif 00113 00114