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/*=========================================================================
Program: Visualization Toolkit
Module: vtkGeoTransform.h
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
/*-------------------------------------------------------------------------
Copyright 2008 Sandia Corporation.
Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
the U.S. Government retains certain rights in this software.
-------------------------------------------------------------------------*/
/**
* @class vtkGeoTransform
* @brief A transformation between two geographic coordinate systems
*
* This class takes two geographic projections and transforms point
* coordinates between them.
*/
#ifndef vtkGeoTransform_h
#define vtkGeoTransform_h
#include "vtkAbstractTransform.h"
#include "vtkGeovisCoreModule.h" // For export macro
class vtkGeoProjection;
class VTKGEOVISCORE_EXPORT vtkGeoTransform : public vtkAbstractTransform
{
public:
static vtkGeoTransform* New();
void PrintSelf(ostream& os, vtkIndent indent) override;
vtkTypeMacro(vtkGeoTransform, vtkAbstractTransform);
//@{
/**
* The source geographic projection.
*/
void SetSourceProjection(vtkGeoProjection* source);
vtkGetObjectMacro(SourceProjection, vtkGeoProjection);
//@}
//@{
/**
* The target geographic projection.
*/
void SetDestinationProjection(vtkGeoProjection* dest);
vtkGetObjectMacro(DestinationProjection, vtkGeoProjection);
//@}
/**
* Transform many points at once.
*/
void TransformPoints(vtkPoints* src, vtkPoints* dst) override;
/**
* Invert the transformation.
*/
void Inverse() override;
//@{
/**
* This will calculate the transformation without calling Update.
* Meant for use only within other VTK classes.
*/
void InternalTransformPoint(const float in[3], float out[3]) override;
void InternalTransformPoint(const double in[3], double out[3]) override;
//@}
//@{
/**
* Computes Universal Transverse Mercator (UTM) zone given the
* longitude and latitude of the point.
* It correctly computes the zones in the two exception areas.
* It returns an integer between 1 and 60 for valid long lat, or 0 otherwise.
*
*/
static int ComputeUTMZone(double lon, double lat);
static int ComputeUTMZone(double* lonlat) { return ComputeUTMZone(lonlat[0], lonlat[1]); }
//@}
//@{
/**
* This will transform a point and, at the same time, calculate a
* 3x3 Jacobian matrix that provides the partial derivatives of the
* transformation at that point. This method does not call Update.
* Meant for use only within other VTK classes.
*/
void InternalTransformDerivative(
const float in[3], float out[3], float derivative[3][3]) override;
void InternalTransformDerivative(
const double in[3], double out[3], double derivative[3][3]) override;
//@}
/**
* Make another transform of the same type.
*/
vtkAbstractTransform* MakeTransform() override;
protected:
vtkGeoTransform();
~vtkGeoTransform() override;
void InternalTransformPoints(double* ptsInOut, vtkIdType numPts, int stride);
vtkGeoProjection* SourceProjection;
vtkGeoProjection* DestinationProjection;
private:
vtkGeoTransform(const vtkGeoTransform&) = delete;
void operator=(const vtkGeoTransform&) = delete;
};
#endif // vtkGeoTransform_h