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103 lines
3.2 KiB
C
103 lines
3.2 KiB
C
3 weeks ago
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/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkTimeSourceExample.h
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Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
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All rights reserved.
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See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
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This software is distributed WITHOUT ANY WARRANTY; without even
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the above copyright notice for more information.
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=========================================================================*/
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/**
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* @class vtkTimeSource
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* @brief creates a simple time varying data set.
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*
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* Creates a small easily understood time varying data set for testing.
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* The output is a vtkUntructuredGrid in which the point and cell values vary
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* over time in a sin wave. The analytic ivar controls whether the output
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* corresponds to a step function over time or is continuous.
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* The X and Y Amplitude ivars make the output move in the X and Y directions
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* over time. The Growing ivar makes the number of cells in the output grow
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* and then shrink over time.
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*/
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#ifndef vtkTimeSourceExample_h
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#define vtkTimeSourceExample_h
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#include "vtkFiltersGeneralModule.h" // For export macro
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#include "vtkUnstructuredGridAlgorithm.h"
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class VTKFILTERSGENERAL_EXPORT vtkTimeSourceExample : public vtkUnstructuredGridAlgorithm
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{
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public:
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static vtkTimeSourceExample* New();
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vtkTypeMacro(vtkTimeSourceExample, vtkUnstructuredGridAlgorithm);
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void PrintSelf(ostream& os, vtkIndent indent) override;
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//@{
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/**
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* When off (the default) this source produces a discrete set of values.
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* When on, this source produces a value analytically for any queried time.
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*/
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vtkSetClampMacro(Analytic, vtkTypeBool, 0, 1);
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vtkGetMacro(Analytic, vtkTypeBool);
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vtkBooleanMacro(Analytic, vtkTypeBool);
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//@}
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//@{
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/**
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* When 0.0 (the default) this produces a data set that is stationary.
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* When on the data set moves in the X/Y plane over a sin wave over time,
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* amplified by the value.
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*/
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vtkSetMacro(XAmplitude, double);
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vtkGetMacro(XAmplitude, double);
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vtkSetMacro(YAmplitude, double);
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vtkGetMacro(YAmplitude, double);
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//@}
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//@{
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/**
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* When off (the default) this produces a single cell data set.
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* When on the number of cells (in the Y direction) grows
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* and shrinks over time along a hat function.
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*/
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vtkSetClampMacro(Growing, vtkTypeBool, 0, 1);
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vtkGetMacro(Growing, vtkTypeBool);
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vtkBooleanMacro(Growing, vtkTypeBool);
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//@}
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protected:
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vtkTimeSourceExample();
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~vtkTimeSourceExample() override;
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int RequestInformation(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
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int RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
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void LookupTimeAndValue(double& time, double& value);
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double ValueFunction(double time);
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double XFunction(double time);
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double YFunction(double time);
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int NumCellsFunction(double time);
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vtkTypeBool Analytic;
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double XAmplitude;
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double YAmplitude;
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vtkTypeBool Growing;
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int NumSteps;
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double* Steps;
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double* Values;
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private:
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vtkTimeSourceExample(const vtkTimeSourceExample&) = delete;
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void operator=(const vtkTimeSourceExample&) = delete;
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};
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#endif
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