VTK
vtkViewDependentErrorMetric.h
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1 /*=========================================================================
2 
3  Program: Visualization Toolkit
4  Module: vtkViewDependentErrorMetric.h
5 
6  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
7  All rights reserved.
8  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
9 
10  This software is distributed WITHOUT ANY WARRANTY; without even
11  the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
12  PURPOSE. See the above copyright notice for more information.
13 
14 =========================================================================*/
29 #ifndef vtkViewDependentErrorMetric_h
30 #define vtkViewDependentErrorMetric_h
31 
32 #include "vtkRenderingCoreModule.h" // For export macro
34 
35 class vtkViewport;
36 class vtkCoordinate;
37 
38 class VTKRENDERINGCORE_EXPORT vtkViewDependentErrorMetric : public vtkGenericSubdivisionErrorMetric
39 {
40 public:
46 
48 
52  void PrintSelf(ostream& os, vtkIndent indent) VTK_OVERRIDE;
54 
56 
65  vtkGetMacro(PixelTolerance, double);
67 
76  void SetPixelTolerance(double value);
77 
79 
83  vtkGetObjectMacro(Viewport,vtkViewport);
84  void SetViewport(vtkViewport *viewport);
86 
106  int RequiresEdgeSubdivision(double *leftPoint, double *midPoint, double *rightPoint,
107  double alpha) VTK_OVERRIDE;
108 
122  double GetError(double *leftPoint, double *midPoint,
123  double *rightPoint, double alpha) VTK_OVERRIDE;
124 
125 protected:
127  ~vtkViewDependentErrorMetric() VTK_OVERRIDE;
128 
134  double Distance2LinePoint(double x[2],
135  double y[2],
136  double z[2]);
137 
138  double PixelTolerance;
139  vtkViewport *Viewport;
140  // used to get display coordinates from world coordinates
142 
143 private:
144  vtkViewDependentErrorMetric(const vtkViewDependentErrorMetric&) VTK_DELETE_FUNCTION;
145  void operator=(const vtkViewDependentErrorMetric&) VTK_DELETE_FUNCTION;
146 };
147 
148 #endif
abstract specification for Viewports
Definition: vtkViewport.h:44
void PrintSelf(ostream &os, vtkIndent indent) override
Standard VTK type and error macros.
virtual int RequiresEdgeSubdivision(double *leftPoint, double *midPoint, double *rightPoint, double alpha)=0
Does the edge need to be subdivided according to the implemented computation? The edge is defined by ...
a simple class to control print indentation
Definition: vtkIndent.h:33
perform coordinate transformation, and represent position, in a variety of vtk coordinate systems ...
Definition: vtkCoordinate.h:72
Objects that compute error during cell tessellation.
virtual double GetError(double *leftPoint, double *midPoint, double *rightPoint, double alpha)=0
Return the error at the mid-point.
Objects that compute a screen-based error during cell tessellation.
static vtkObject * New()
Create an object with Debug turned off, modified time initialized to zero, and reference counting on...