area.c File Reference

Defines an area, the extent, projection, etc. More...

#include "area.h"
#include "rave_debug.h"
#include "rave_alloc.h"
#include <string.h>

Classes
struct	_Area_t
	Represents the area. More...

Functions
int	Area_setID (Area_t *area, const char *id)
	Sets the ID for this area.
const char *	Area_getID (Area_t *area)
	Returns the ID for this area.
int	Area_setDescription (Area_t *area, const char *description)
	Sets the description for this area.
const char *	Area_getDescription (Area_t *area)
	Returns the description for this area.
void	Area_setXSize (Area_t *area, long xsize)
	Sets the xsize.
long	Area_getXSize (Area_t *area)
	Returns the xsize.
void	Area_setYSize (Area_t *area, long ysize)
	Sets the ysize.
long	Area_getYSize (Area_t *area)
	Returns the ysize.
void	Area_setXScale (Area_t *area, double xscale)
	Sets the xscale.
double	Area_getXScale (Area_t *area)
	Returns the xscale.
void	Area_setYScale (Area_t *area, double yscale)
	Sets the yscale.
double	Area_getYScale (Area_t *area)
	Returns the yscale.
void	Area_setExtent (Area_t *area, double llX, double llY, double urX, double urY)
	Sets the area extent (lower-left, upper-right)
void	Area_getExtent (Area_t *area, double *llX, double *llY, double *urX, double *urY)
	Returns the area extent (lower-left, upper-right)
void	Area_setProjection (Area_t *area, Projection_t *projection)
	Sets the projection that defines this area.
Projection_t *	Area_getProjection (Area_t *area)
	Returns the projection that defines this area.
int	Area_setPcsid (Area_t *area, const char *pcsid)
	The pcsid (projection id) for this area.
const char *	Area_getPcsid (Area_t *area)
	Returns the projection id for this area.

Variables
RaveCoreObjectType	Area_TYPE
	Type definition to use when creating a rave object.

Detailed Description

Defines an area, the extent, projection, etc.

Author

Anders Henja (Swedish Meteorological and Hydrological Institute, SMHI)

Date

2009-12-10

Function Documentation

Area_getDescription()

const char * Area_getDescription

(

Area_t *

area

)

Returns the description for this area.

Parameters

[in]

area

- self

Returns

the description

Area_getExtent()

void Area_getExtent	(	Area_t *	area,
		double *	llX,
		double *	llY,
		double *	urX,
		double *	urY )

Returns the area extent (lower-left, upper-right)

Parameters

[in]	area	- self
[out]	llX	- lower left X position (may be NULL)
[out]	llY	- lower left Y position (may be NULL)
[out]	urX	- upper right X position (may be NULL)
[out]	urY	- upper right Y position (may be NULL)

Area_getID()

const char * Area_getID

(

Area_t *

area

)

Returns the ID for this area.

Parameters

[in]

area

- self

Returns

the id

Area_getPcsid()

const char * Area_getPcsid

(

Area_t *

area

)

Returns the projection id for this area.

Parameters

[in]

area

- self

Returns

the projection id

Area_getProjection()

Projection_t * Area_getProjection

(

Area_t *

area

)

Returns the projection that defines this area.

Parameters

[in]

area

- self

Returns

the projection

Area_getXScale()

double Area_getXScale

(

Area_t *

area

)

Returns the xscale.

Parameters

[in]

area

- the area

Returns

the xscale

Area_getXSize()

long Area_getXSize

(

Area_t *

area

)

Returns the xsize.

Parameters

[in]

area

- self

Returns

the xsize

Area_getYScale()

double Area_getYScale

(

Area_t *

area

)

Returns the yscale.

Parameters

[in]

area

- the area

Returns

the yscale

Area_getYSize()

long Area_getYSize

(

Area_t *

area

)

Returns the ysize.

Parameters

[in]

area

- the area

Returns

the ysize

Area_setDescription()

int Area_setDescription	(	Area_t *	area,
		const char *	description )

Sets the description for this area.

Parameters

[in]	area	- self
[in]	description	- the description

Returns

1 on success otherwise 0

Area_setExtent()

void Area_setExtent	(	Area_t *	area,
		double	llX,
		double	llY,
		double	urX,
		double	urY )

Sets the area extent (lower-left, upper-right)

Parameters

[in]	area	- self
[in]	llX	- lower left X position
[in]	llY	- lower left Y position
[in]	urX	- upper right X position
[in]	urY	- upper right Y position

Area_setID()

int Area_setID	(	Area_t *	area,
		const char *	id )

Sets the ID for this area.

Parameters

[in]	area	- self
[in]	id	- the id

Returns

1 on success otherwise 0

Area_setPcsid()

int Area_setPcsid	(	Area_t *	area,
		const char *	pcsid )

The pcsid (projection id) for this area.

When setting this id, the projection (if any) will be released unless the pcsid == Projection_getID.

Parameters

[in]	area	- self
[in]	pcsid	- the projection id

Returns

1 on success

Area_setProjection()

void Area_setProjection	(	Area_t *	area,
		Projection_t *	projection )

Sets the projection that defines this area.

Parameters

[in]	area	- self
[in]	projection	- the projection

Area_setXScale()

void Area_setXScale	(	Area_t *	area,
		double	xscale )

Sets the xscale.

Parameters

[in]	area	- the area
[in]	xscale	- the xscale

Area_setXSize()

void Area_setXSize	(	Area_t *	area,
		long	xsize )

Sets the xsize.

Parameters

[in]	area	- the area
[in]	xsize	- the xsize

Area_setYScale()

void Area_setYScale	(	Area_t *	area,
		double	yscale )

Sets the yscale.

Parameters

[in]	area	- the area
[in]	yscale	- the yscale

Area_setYSize()

void Area_setYSize	(	Area_t *	area,
		long	ysize )

Sets the ysize.

Parameters

[in]	area	- the area
[in]	ysize	- the ysize

Variable Documentation

Area_TYPE

RaveCoreObjectType Area_TYPE

Initial value:

= {
    "Area",
    sizeof(Area_t),
    Area_constructor,
    Area_destructor,
    Area_copyconstructor
}

Type definition to use when creating a rave object.