115 lines
2.7 KiB
C++
Executable File
115 lines
2.7 KiB
C++
Executable File
/**
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**
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** @RDE_HEADER@
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** Implementation of 2d matrix operations
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** $Id$
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** $HeadURL$
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** $Author$
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**
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** -----------------------------------------------------------------------------------------------
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**
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** Hardware-Environment: Intel-PC
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** Software-Environment: Windows 7, Qt 5.4. ArcGIS 10.2.5
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**
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** Language ........: C++ 11
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**
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** -----------------------------------------------------------------------------------------------
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**
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** Author ...........: Jörg Turla, SPD G, Tel. 3132
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**
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** -----------------------------------------------------------------------------------------------
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**
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** Notes .........:
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**
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** 22.06.2016, JT : First edition for use with Qt5
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**
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** -----------------------------------------------------------------------------------------------
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*/
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#include "matrix2d.h"
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#include <sstream>
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namespace SituationMap { namespace MathUtils
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{
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QPointF Matrix2D::apply( const QPointF & v ) const
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{
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QGenericMatrix<1,3,qreal> vM;
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vM(0,0) = v.x();
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vM(1,0) = v.y();
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vM(2,0) = 1.0;
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QGenericMatrix<1,3,qreal> result = m_matrix * vM;
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qreal x = result(0,0) / result(2,0);
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qreal y = result(1,0) / result(2,0);
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return QPointF(x,y);
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} /* Matrix2D::apply */
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void Matrix2D::putTranslation( const QPointF & t )
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{
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QGenericMatrix<3,3,qreal> tM;
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tM(0,2) = t.x();
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tM(1,2) = t.y();
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m_matrix = tM * m_matrix;
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} /* Matrix2D::putTranslation */
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void Matrix2D::putScale( const QPointF & s)
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{
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QGenericMatrix<3,3,qreal> sM;
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sM(0,0) = s.x();
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sM(1,1) = s.y();
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m_matrix = sM * m_matrix;
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} /* Matrix2D::putScale */
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void Matrix2D::putScale( const QPointF & s, qreal sinPhi, qreal cosPhi )
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{
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putRotate(QPointF(cosPhi,-sinPhi));
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putScale(s);
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putRotate(sinPhi,cosPhi);
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} /* Matrix2D::putScale */
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void Matrix2D::putRotate( qreal sinPhi, qreal cosPhi )
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{
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QGenericMatrix<3,3,qreal> rM;
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rM(0,0) = cosPhi;
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rM(0,1) = sinPhi;
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rM(1,0) = -sinPhi;
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rM(1,1) = cosPhi;
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m_matrix = rM * m_matrix;
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} /* Matrix2D::putRotate */
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std::ostream & operator<< ( std::ostream & stream, const Matrix2D & mat )
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{
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stream << "Matrix2D:" << std::endl;
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for (int r = 0; r < 3; ++r)
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{
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for (int c = 0; c < 3; ++c)
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{
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stream << "[" << r << "," << c << "] = " << mat(r,c) << " ";
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}
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stream << std::endl;
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}
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return stream;
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} // std::ostream & operator<< ( std::ostream & stream, const Matrix2D & mat )
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} } // namespace SituationMap::MathUtils
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