#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "liblwgeom_internal.h"
#include "lwgeom_log.h"

Include dependency graph for lwline.c:

Go to the source code of this file.

Functions
LWLINE *	lwline_construct (int32_t srid, GBOX bbox, POINTARRAY points)

LWLINE *	lwline_construct_empty (int32_t srid, char hasz, char hasm)

void	lwline_free (LWLINE *line)

void	printLWLINE (LWLINE *line)

LWLINE *	lwline_clone (const LWLINE *g)

LWLINE *	lwline_clone_deep (const LWLINE *g)

void	lwline_release (LWLINE *lwline)

LWLINE *	lwline_segmentize2d (const LWLINE *line, double dist)

char	lwline_same (const LWLINE l1, const LWLINE l2)

LWLINE *	lwline_from_lwgeom_array (int32_t srid, uint32_t ngeoms, LWGEOM **geoms)

LWLINE *	lwline_from_ptarray (int32_t srid, uint32_t npoints, LWPOINT **points)

LWLINE *	lwline_from_lwmpoint (int32_t srid, const LWMPOINT *mpoint)

LWPOINT *	lwline_get_lwpoint (const LWLINE *line, uint32_t where)
	Returns freshly allocated LWPOINT that corresponds to the index where. More...

int	lwline_add_lwpoint (LWLINE line, LWPOINT point, uint32_t where)
	Add a LWPOINT to an LWLINE. More...

LWLINE *	lwline_removepoint (LWLINE *line, uint32_t index)

void	lwline_setPoint4d (LWLINE line, uint32_t index, POINT4D newpoint)

LWLINE *	lwline_measured_from_lwline (const LWLINE *lwline, double m_start, double m_end)
	Re-write the measure coordinate (or add one, if it isn't already there) interpolating the measure between the supplied start and end values. More...

LWGEOM *	lwline_remove_repeated_points (const LWLINE *lwline, double tolerance)

int	lwline_is_closed (const LWLINE *line)

int	lwline_is_trajectory (const LWLINE *line)

LWLINE *	lwline_force_dims (const LWLINE *line, int hasz, int hasm, double zval, double mval)

uint32_t	lwline_count_vertices (const LWLINE *line)

double	lwline_length (const LWLINE *line)

double	lwline_length_2d (const LWLINE *line)

POINTARRAY *	lwline_interpolate_points (const LWLINE *line, double length_fraction, char repeat)
	Interpolate one or more points along a line. More...

LWPOINT *	lwline_interpolate_point_3d (const LWLINE *line, double distance)
	Interpolate one point along a line in 3D. More...

LWLINE *	lwline_extend (const LWLINE *line, double distance_forward, double distance_backward)
	Extend the ends of a line. More...

Functions