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graphics/vtkLODActor.h

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00001 /*=========================================================================
00002   
00003   Program:   Visualization Toolkit
00004   Module:    $RCSfile: vtkLODActor.h,v $
00005   Language:  C++
00006   
00007 Copyright (c) 1993-2001 Ken Martin, Will Schroeder, Bill Lorensen 
00008 All rights reserved.
00009 
00010 Redistribution and use in source and binary forms, with or without
00011 modification, are permitted provided that the following conditions are met:
00012 
00013  * Redistributions of source code must retain the above copyright notice,
00014    this list of conditions and the following disclaimer.
00015 
00016  * Redistributions in binary form must reproduce the above copyright notice,
00017    this list of conditions and the following disclaimer in the documentation
00018    and/or other materials provided with the distribution.
00019 
00020  * Neither name of Ken Martin, Will Schroeder, or Bill Lorensen nor the names
00021    of any contributors may be used to endorse or promote products derived
00022    from this software without specific prior written permission.
00023 
00024  * Modified source versions must be plainly marked as such, and must not be
00025    misrepresented as being the original software.
00026 
00027 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
00028 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00029 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00030 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR
00031 ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
00032 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
00033 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
00034 CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
00035 OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
00036 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00037 
00038 =========================================================================*/
00074 #ifndef __vtkLODActor_h
00075 #define __vtkLODActor_h
00076 
00077 #include "vtkActor.h"
00078 #include "vtkMaskPoints.h"
00079 #include "vtkOutlineFilter.h"
00080 #include "vtkPolyDataMapper.h"
00081 #include "vtkMapperCollection.h"
00082 
00083 class VTK_EXPORT vtkLODActor : public vtkActor
00084 {
00085 public:
00086   vtkTypeMacro(vtkLODActor,vtkActor);
00087   void PrintSelf(ostream& os, vtkIndent indent);
00088 
00092   static vtkLODActor *New();
00093 
00096   virtual void Render(vtkRenderer *, vtkMapper *);
00097 
00100   int RenderOpaqueGeometry(vtkViewport *viewport);
00101 
00105   void ReleaseGraphicsResources(vtkWindow *);
00106 
00109   void AddLODMapper(vtkMapper *mapper);
00110 
00112   vtkGetMacro(NumberOfCloudPoints,int);
00113   vtkSetMacro(NumberOfCloudPoints,int);
00114 
00117   vtkGetObjectMacro(LODMappers, vtkMapperCollection);
00118 
00121   void Modified();
00122   
00124   void ShallowCopy(vtkProp *prop);
00125 
00126 protected:
00127   vtkLODActor();
00128   ~vtkLODActor();
00129   vtkLODActor(const vtkLODActor&) {};
00130   void operator=(const vtkLODActor&) {};
00131 
00132   vtkActor            *Device;
00133   vtkMapperCollection *LODMappers;
00134 
00135   // stuff for creating our own LOD mappers
00136   vtkMaskPoints       *MaskPoints;
00137   vtkOutlineFilter    *OutlineFilter;
00138   vtkTimeStamp        BuildTime;
00139   int                 NumberOfCloudPoints;
00140   vtkPolyDataMapper   *LowMapper;
00141   vtkPolyDataMapper   *MediumMapper;
00142 
00143   void CreateOwnLODs();
00144   void UpdateOwnLODs();
00145   void DeleteOwnLODs();
00146 };
00147 
00148 #endif
00149 
00150 

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