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dox/Filtering/vtkCoordinate.h

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00001 /*=========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    $RCSfile: vtkCoordinate.h,v $
00005 
00006   Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
00007   All rights reserved.
00008   See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
00009 
00010      This software is distributed WITHOUT ANY WARRANTY; without even
00011      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
00012      PURPOSE.  See the above copyright notice for more information.
00013 
00014 =========================================================================*/
00051 #ifndef __vtkCoordinate_h
00052 #define __vtkCoordinate_h
00053 
00054 #include "vtkObject.h"
00055 class vtkViewport;
00056 
00057 #define VTK_DISPLAY             0
00058 #define VTK_NORMALIZED_DISPLAY  1
00059 #define VTK_VIEWPORT            2
00060 #define VTK_NORMALIZED_VIEWPORT 3
00061 #define VTK_VIEW                4
00062 #define VTK_WORLD               5
00063 #define VTK_USERDEFINED         6
00064 
00065 class VTK_FILTERING_EXPORT vtkCoordinate : public vtkObject
00066 {
00067 public:
00068   vtkTypeRevisionMacro(vtkCoordinate,vtkObject);
00069   void PrintSelf(ostream& os, vtkIndent indent);
00070 
00073   static vtkCoordinate* New();
00074 
00076 
00079   vtkSetMacro(CoordinateSystem, int);
00080   vtkGetMacro(CoordinateSystem, int);
00081   void SetCoordinateSystemToDisplay() {this->SetCoordinateSystem(VTK_DISPLAY);}
00082   void SetCoordinateSystemToNormalizedDisplay() 
00083         {this->SetCoordinateSystem(VTK_NORMALIZED_DISPLAY);}
00084   void SetCoordinateSystemToViewport() 
00085         {this->SetCoordinateSystem(VTK_VIEWPORT);}
00086   void SetCoordinateSystemToNormalizedViewport() 
00087         {this->SetCoordinateSystem(VTK_NORMALIZED_VIEWPORT);}
00088   void SetCoordinateSystemToView() {this->SetCoordinateSystem(VTK_VIEW);}
00089   void SetCoordinateSystemToWorld() {this->SetCoordinateSystem(VTK_WORLD);}
00091     
00092   const char *GetCoordinateSystemAsString ();
00093 
00095 
00097   vtkSetVector3Macro(Value,double);
00098   vtkGetVector3Macro(Value,double);
00099   void SetValue(double a, double b) { this->SetValue(a,b,0.0);}
00101   
00103 
00106   virtual void SetReferenceCoordinate(vtkCoordinate*);
00107   vtkGetObjectMacro(ReferenceCoordinate,vtkCoordinate);
00109 
00111 
00115   void SetViewport(vtkViewport *viewport);
00116   vtkGetObjectMacro(Viewport,vtkViewport);
00118 
00120 
00121   double *GetComputedWorldValue(vtkViewport *);
00122   int *GetComputedViewportValue(vtkViewport *);
00123   int *GetComputedDisplayValue(vtkViewport *);
00124   int *GetComputedLocalDisplayValue(vtkViewport *);
00126 
00127   double *GetComputedDoubleViewportValue(vtkViewport *);
00128   double *GetComputedDoubleDisplayValue(vtkViewport *);
00129 
00134   double *GetComputedValue(vtkViewport *);
00135 
00137 
00141   virtual double *GetComputedUserDefinedValue(vtkViewport *)
00142     { return this->Value; }
00144 
00145 protected:
00146   vtkCoordinate();
00147   ~vtkCoordinate();
00148 
00149   double Value[3];
00150   int   CoordinateSystem;
00151   vtkCoordinate *ReferenceCoordinate;
00152   vtkViewport *Viewport;
00153   double ComputedWorldValue[3];
00154   int   ComputedDisplayValue[2];
00155   int   ComputedViewportValue[2];
00156   int   Computing;
00157 
00158   double ComputedDoubleDisplayValue[2];
00159   double ComputedDoubleViewportValue[2];
00160   double ComputedUserDefinedValue[3];
00161 
00162 private:
00163   vtkCoordinate(const vtkCoordinate&);  // Not implemented.
00164   void operator=(const vtkCoordinate&);  // Not implemented.
00165 };
00166 
00167 #endif
00168 
00169 

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