mapnik::CoordTransform Class Reference

#include <ctrans.hpp>

List of all members.

Public Member Functions
	CoordTransform (int width, int height, const Envelope< double > &extent, double offset_x=0, double offset_y=0)
double	scale () const
void	forward (double *x, double *y) const
void	backward (double *x, double *y) const
coord2d &	forward (coord2d &c) const
coord2d &	backward (coord2d &c) const
Envelope< double >	forward (const Envelope< double > &e) const
Envelope< double >	backward (const Envelope< double > &e) const
CoordinateArray &	forward (CoordinateArray &coords) const
CoordinateArray &	backward (CoordinateArray &coords) const
Envelope< double > const &	extent () const

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Constructor & Destructor Documentation

mapnik::CoordTransform::CoordTransform	(	int	width,
		int	height,
		const Envelope< double > &	extent,
		double	offset_x = 0,
		double	offset_y = 0
	)			[inline]

References mapnik::Envelope< T >::height(), and mapnik::Envelope< T >::width().

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Member Function Documentation

double mapnik::CoordTransform::scale

(

)

const [inline]

void mapnik::CoordTransform::forward	(	double *	x,
		double *	y
	)			const [inline]

References mapnik::Envelope< T >::maxy(), and mapnik::Envelope< T >::minx().

Referenced by forward(), mapnik::cairo_renderer< T >::process(), mapnik::agg_renderer< T >::process(), and mapnik::cairo_renderer< T >::start_map_processing().

void mapnik::CoordTransform::backward	(	double *	x,
		double *	y
	)			const [inline]

References mapnik::Envelope< T >::maxy(), and mapnik::Envelope< T >::minx().

Referenced by backward(), and mapnik::Map::query_map_point().

coord2d& mapnik::CoordTransform::forward

(

coord2d &

c

)

const [inline]

References forward().

coord2d& mapnik::CoordTransform::backward

(

coord2d &

c

)

const [inline]

References backward().

Envelope<double> mapnik::CoordTransform::forward

(

const Envelope< double > &

e

)

const [inline]

References forward(), mapnik::Envelope< T >::maxx(), mapnik::Envelope< T >::maxy(), mapnik::Envelope< T >::minx(), and mapnik::Envelope< T >::miny().

Envelope<double> mapnik::CoordTransform::backward

(

const Envelope< double > &

e

)

const [inline]

References backward(), mapnik::Envelope< T >::maxx(), mapnik::Envelope< T >::maxy(), mapnik::Envelope< T >::minx(), and mapnik::Envelope< T >::miny().

CoordinateArray& mapnik::CoordTransform::forward

(

CoordinateArray &

coords

)

const [inline]

References forward(), and mapnik::coord_array< T >::size().

CoordinateArray& mapnik::CoordTransform::backward

(

CoordinateArray &

coords

)

const [inline]

References backward(), and mapnik::coord_array< T >::size().

Envelope<double> const& mapnik::CoordTransform::extent

(

)

const [inline]

Referenced by mapnik::cairo_renderer< T >::start_map_processing().

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The documentation for this class was generated from the following file:

• /builddir/build/BUILD/mapnik/include/mapnik/ctrans.hpp