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 =========================================================================*/
32 #ifndef vtkViewDependentErrorMetric_h
33 #define vtkViewDependentErrorMetric_h
34 
35 #include "vtkRenderingCoreModule.h" // For export macro
37 
38 class vtkViewport;
39 class vtkCoordinate;
40 
41 class VTKRENDERINGCORE_EXPORT vtkViewDependentErrorMetric : public vtkGenericSubdivisionErrorMetric
42 {
43 public:
49 
51 
55  void PrintSelf(ostream& os, vtkIndent indent) override;
57 
59 
68  vtkGetMacro(PixelTolerance, double);
70 
79  void SetPixelTolerance(double value);
80 
82 
86  vtkGetObjectMacro(Viewport,vtkViewport);
87  void SetViewport(vtkViewport *viewport);
89 
109  int RequiresEdgeSubdivision(double *leftPoint, double *midPoint, double *rightPoint,
110  double alpha) override;
111 
125  double GetError(double *leftPoint, double *midPoint,
126  double *rightPoint, double alpha) override;
127 
128 protected:
130  ~vtkViewDependentErrorMetric() override;
131 
137  double Distance2LinePoint(double x[2],
138  double y[2],
139  double z[2]);
140 
143  // used to get display coordinates from world coordinates
145 
146 private:
148  void operator=(const vtkViewDependentErrorMetric&) = delete;
149 };
150 
151 #endif
abstract specification for Viewports
Definition: vtkViewport.h:47
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:39
perform coordinate transformation, and represent position, in a variety of vtk coordinate systems ...
Definition: vtkCoordinate.h:81
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...