VTK
vtkExtractSelection.h
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1 /*=========================================================================
2 
3  Program: Visualization Toolkit
4  Module: vtkExtractSelection.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 =========================================================================*/
33 #ifndef __vtkExtractSelection_h
34 #define __vtkExtractSelection_h
35 
37 
45 class vtkSelection;
46 class vtkSelectionNode;
47 
49 {
50 public:
51  static vtkExtractSelection *New();
53  void PrintSelf(ostream& os, vtkIndent indent);
54 
56 
59  vtkSetMacro(ShowBounds,int);
60  vtkGetMacro(ShowBounds,int);
61  vtkBooleanMacro(ShowBounds,int);
63 
65 
68  vtkSetMacro(UseProbeForLocations, int);
69  vtkGetMacro(UseProbeForLocations, int);
70  vtkBooleanMacro(UseProbeForLocations, int);
72 
73 protected:
76 
78 
79  //sets up empty output dataset
80  virtual int RequestDataObject(vtkInformation* request,
81  vtkInformationVector** inputVector,
82  vtkInformationVector* outputVector);
83 
84  // runs the algorithm and fills the output with results
85  virtual int RequestData(vtkInformation *,
88 
89  // used for composite, non-hierarhical input.
90  vtkDataObject* RequestDataInternal(
91  unsigned int composite_index,
92  vtkDataObject* non_composite_input, vtkSelection* sel,
93  vtkInformation* outInfo);
94 
95  // Used for hierarchical input.
96  vtkDataObject* RequestDataInternal(
97  unsigned int composite_index,
98  unsigned int level,
99  unsigned int index,
100  vtkDataObject* non_composite_input, vtkSelection* sel,
101  vtkInformation* outInfo);
102 
103 
104  // called for non-composite input or for a block in a composite dataset.
105  vtkDataObject* RequestDataFromBlock(vtkDataObject* input,
106  vtkSelectionNode* sel, vtkInformation* outInfo);
107 
115 
118 private:
119  vtkExtractSelection(const vtkExtractSelection&); // Not implemented.
120  void operator=(const vtkExtractSelection&); // Not implemented.
121 };
122 
123 #endif
A node in a selection tree. Used to store selection results.
virtual int RequestData(vtkInformation *request, vtkInformationVector **inputVector, vtkInformationVector *outputVector)
#define VTK_GRAPHICS_EXPORT
similar to vtkExtractSelectedLocations except that it interpolates the point attributes at the probe ...
Store vtkAlgorithm input/output information.
static vtkDataObjectAlgorithm * New()
extract a list of cells from a dataset
abstract base class for all extract selection filters.
extract cells within a dataset that contain the locations listen in the vtkSelection.
A node in a selection tree. Used to store selection results.
Definition: vtkSelection.h:43
vtkExtractSelectedIds * IdsFilter
vtkExtractSelectedRows * RowsFilter
void PrintSelf(ostream &os, vtkIndent indent)
a simple class to control print indentation
Definition: vtkIndent.h:37
vtkExtractSelectedLocations * LocationsFilter
vtkExtractSelectedThresholds * ThresholdsFilter
vtkExtractSelectedFrustum * FrustumFilter
return selected rows of a table
Returns the portion of the input dataset that lies within a selection frustum.
extract a subset from a vtkDataSet.
vtkProbeSelectedLocations * ProbeFilter
virtual int RequestDataObject(vtkInformation *request, vtkInformationVector **inputVector, vtkInformationVector *outputVector)
Store zero or more vtkInformation instances.
extract a cells or points from a dataset that have values within a set of thresholds.
virtual int FillInputPortInformation(int port, vtkInformation *info)
general representation of visualization data
Definition: vtkDataObject.h:70
vtkExtractSelectedBlock * BlockFilter