VTK  9.1.0
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=========================================================================*/
144#ifndef vtkExtractSelection_h
145#define vtkExtractSelection_h
146
148#include "vtkFiltersExtractionModule.h" // For export macro
149
150#include "vtkSelectionNode.h" // for vtkSelectionNode::SelectionContent
151#include "vtkSmartPointer.h" // for smart pointer
152
154class vtkSelection;
155class vtkSelectionNode;
156class vtkSelector;
158class vtkTable;
159
160class VTKFILTERSEXTRACTION_EXPORT vtkExtractSelection : public vtkDataObjectAlgorithm
161{
162public:
165 void PrintSelf(ostream& os, vtkIndent indent) override;
166
172 {
173 this->SetInputConnection(1, algOutput);
174 }
175
177
182 vtkSetMacro(PreserveTopology, bool);
183 vtkGetMacro(PreserveTopology, bool);
184 vtkBooleanMacro(PreserveTopology, bool);
186
187protected:
190
195 vtkInformationVector* outputVector) override;
200 vtkInformationVector* outputVector) override;
201
202 // Gets the attribute association of the selection. Currently we support ROW, POINT, and CELL.
203 // If the selection types are mismatched the boolean parameter will be set to false, otherwise
204 // it will be true after the function returns.
206
213
222 vtkDataObject::AttributeTypes elementType, vtkSignedCharArray* insidednessArray);
223
224 int FillInputPortInformation(int port, vtkInformation* info) override;
225
231 vtkDataSet* input, vtkUnstructuredGrid* output, vtkSignedCharArray* cellInside);
238 vtkDataSet* input, vtkUnstructuredGrid* output, vtkSignedCharArray* pointInside);
243 void ExtractSelectedRows(vtkTable* input, vtkTable* output, vtkSignedCharArray* rowsInside);
244
245 bool PreserveTopology = false;
246
247private:
249 void operator=(const vtkExtractSelection&) = delete;
250};
251
252#endif
Proxy object to connect input/output ports.
virtual void SetInputConnection(int port, vtkAlgorithmOutput *input)
Set the connection for the given input port index.
Superclass for algorithms that produce only data object as output.
general representation of visualization data
AttributeTypes
Possible attribute types.
abstract class to specify dataset behavior
Definition: vtkDataSet.h:166
extract a subset from a vtkDataSet.
vtkDataObject::AttributeTypes GetAttributeTypeOfSelection(vtkSelection *sel, bool &sane)
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
~vtkExtractSelection() override
void SetSelectionConnection(vtkAlgorithmOutput *algOutput)
Convenience method to specify the selection connection (2nd input port)
void ExtractSelectedCells(vtkDataSet *input, vtkUnstructuredGrid *output, vtkSignedCharArray *cellInside)
Given a vtkDataSet and an array of which cells to extract, this populates the given vtkUnstructuredGr...
int RequestData(vtkInformation *request, vtkInformationVector **inputVector, vtkInformationVector *outputVector) override
Sets up empty output dataset.
int FillInputPortInformation(int port, vtkInformation *info) override
Fill the input port information objects for this algorithm.
static vtkExtractSelection * New()
int RequestDataObject(vtkInformation *request, vtkInformationVector **inputVector, vtkInformationVector *outputVector) override
Sets up empty output dataset.
virtual vtkSmartPointer< vtkSelector > NewSelectionOperator(vtkSelectionNode::SelectionContent type)
Creates a new vtkSelector for the given content type.
void ExtractSelectedPoints(vtkDataSet *input, vtkUnstructuredGrid *output, vtkSignedCharArray *pointInside)
Given a vtkDataSet and an array of which points to extract, the populates the given vtkUnstructuredGr...
vtkSmartPointer< vtkDataObject > ExtractElements(vtkDataObject *block, vtkDataObject::AttributeTypes elementType, vtkSignedCharArray *insidednessArray)
Given a non-composite input data object (either a block of a larger composite or the whole input),...
void ExtractSelectedRows(vtkTable *input, vtkTable *output, vtkSignedCharArray *rowsInside)
Given an input vtkTable and an array of which rows to extract, this populates the output table with t...
a simple class to control print indentation
Definition: vtkIndent.h:113
Store zero or more vtkInformation instances.
Store vtkAlgorithm input/output information.
a node in a vtkSelection the defines the selection criteria.
SelectionContent
Indicate the means by which data is selected.
data object that represents a "selection" in VTK.
Definition: vtkSelection.h:163
dynamic, self-adjusting array of signed char
Hold a reference to a vtkObjectBase instance.
A table, which contains similar-typed columns of data.
Definition: vtkTable.h:172
dataset represents arbitrary combinations of all possible cell types