/usr/include/terralib/kernel/TeProjectiveGT.h is in libterralib-dev 4.3.0+dfsg.2-4build2.
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TerraLib - a library for developing GIS applications.
Copyright 2001, 2002, 2003 INPE and Tecgraf/PUC-Rio.
This code is part of the TerraLib library.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
You should have received a copy of the GNU Lesser General Public
License along with this library.
The authors reassure the license terms regarding the warranties.
They specifically disclaim any warranties, including, but not limited to,
the implied warranties of merchantability and fitness for a particular
purpose. The library provided hereunder is on an "as is" basis, and the
authors have no obligation to provide maintenance, support, updates,
enhancements, or modifications.
In no event shall INPE be held liable to any party
for direct, indirect, special, incidental, or consequential damages arising
out of the use of this library and its documentation.
*/
#ifndef TEPROJECTIVEGT_H
#define TEPROJECTIVEGT_H
#include <TeGeometricTransformation.h>
/**
* @brief This is the class to deal projective geometric trasformation.
* @author Emerson M.A. Xavier <emerson@dpi.inpe.br>
* @author Emiliano F. Castejon <castejon@dpi.inpe.br>
* @ingroup GeometricTransformationGroup
*/
class TL_DLL TeProjectiveGT : public TeGeometricTransformation {
public :
/**
* Default Constructor.
*/
TeProjectiveGT();
/**
* Default Destructor
*/
~TeProjectiveGT();
/**
* Returns the minimum number of required tie-points for the current
* transformation.
*
* @return The minimum number of required tie-points for the current
* transformation.
*/
unsigned int getMinRequiredTiePoints() const;
protected :
/**
* @brief Direct mapping ( from pt1 space into pt2 space ).
*
* @param params Transformation parameters.
* @param pt1 pt1 coordinate.
* @param pt2 pt2 coordinate.
*/
void directMap( const TeGTParams& params, const TeCoord2D& pt1,
TeCoord2D& pt2 ) const;
/**
* @brief Inverse mapping ( from pt2 space into pt1 space ).
*
* @param params Transformation parameters.
* @param pt2 pt2 coordinate.
* @param pt1 pt1 coordinate.
*/
void inverseMap( const TeGTParams& params, const TeCoord2D& pt2,
TeCoord2D& pt1 ) const;
/**
* @brief Calculate the transformation parameters following the
* new supplied tie-points.
*
* @param params Transformation parameters.
* @return true if OK, false on errors.
*/
bool computeParameters( TeGTParams& params ) const;
/**
* @brief Verifies if the supplied parameters already
* has a defined transformation.
* @param params Transformation parameters.
* @return true if a transformation is already defined,
* false otherwise.
*/
bool isTransDefined( const TeGTParams& params ) const;
private:
/**
* @brief When using more than four tiepoints, use adjustment.
*/
bool useAdjustment( TeGTParams& params,
bool isDirectMapping ) const;
/**
* @brief When using exactly four tiepoints, use deterministic solution.
*/
bool useDeterministic( TeGTParams& params,
bool isDirectMapping ) const;
/**
* @brief Set adaptative parameters
* @param params Transformation parameters.
* @note This method is called whether the flag "useAdaptiveParameters" is on.
*/
void setAdaptativeParameters(
const std::vector< TeCoordPair >& tiepoints,
TeGTParams& params ) const;
};
#endif // TEPROJECTIVEGT_H
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