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| char | getMachineEndian (void) |
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| LWGEOM * | lwgeom_force_dims (const LWGEOM *lwgeom, int hasz, int hasm) |
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| LWPOINT * | lwpoint_force_dims (const LWPOINT *lwpoint, int hasz, int hasm) |
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| LWLINE * | lwline_force_dims (const LWLINE *lwline, int hasz, int hasm) |
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| LWPOLY * | lwpoly_force_dims (const LWPOLY *lwpoly, int hasz, int hasm) |
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| LWCOLLECTION * | lwcollection_force_dims (const LWCOLLECTION *lwcol, int hasz, int hasm) |
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| POINTARRAY * | ptarray_force_dims (const POINTARRAY *pa, int hasz, int hasm) |
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| void | ptarray_swap_ordinates (POINTARRAY *pa, LWORD o1, LWORD o2) |
| | Swap ordinate values o1 and o2 on a given POINTARRAY. More...
|
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| int | lwpoly_is_empty (const LWPOLY *poly) |
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| int | lwcollection_is_empty (const LWCOLLECTION *col) |
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| int | lwcircstring_is_empty (const LWCIRCSTRING *circ) |
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| int | lwtriangle_is_empty (const LWTRIANGLE *triangle) |
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| int | lwline_is_empty (const LWLINE *line) |
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| int | lwpoint_is_empty (const LWPOINT *point) |
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| int | lwline_count_vertices (LWLINE *line) |
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| int | lwpoly_count_vertices (LWPOLY *poly) |
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| int | lwcollection_count_vertices (LWCOLLECTION *col) |
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| POINTARRAY * | ptarray_simplify (POINTARRAY *inpts, double epsilon, unsigned int minpts) |
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| LWLINE * | lwline_simplify (const LWLINE *iline, double dist, int preserve_collapsed) |
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| LWPOLY * | lwpoly_simplify (const LWPOLY *ipoly, double dist, int preserve_collapsed) |
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| LWCOLLECTION * | lwcollection_simplify (const LWCOLLECTION *igeom, double dist, int preserve_collapsed) |
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| int | lw_segment_intersects (const POINT2D *p1, const POINT2D *p2, const POINT2D *q1, const POINT2D *q2) |
| | returns the kind of CG_SEGMENT_INTERSECTION_TYPE behavior of lineseg 1 (constructed from p1 and p2) and lineseg 2 (constructed from q1 and q2) More...
|
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| double | lwpoint_get_ordinate (const POINT4D *p, char ordinate) |
| | Given a POINT4D and an ordinate number, return the value of the ordinate. More...
|
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| void | lwpoint_set_ordinate (POINT4D *p, char ordinate, double value) |
| | Given a point, ordinate number and value, set that ordinate on the point. More...
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| int | point_interpolate (const POINT4D *p1, const POINT4D *p2, POINT4D *p, int hasz, int hasm, char ordinate, double interpolation_value) |
| | Given two points, a dimensionality, an ordinate, and an interpolation value generate a new point that is proportionally between the input points, using the values in the provided dimension as the scaling factors. More...
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| LWCOLLECTION * | lwline_clip_to_ordinate_range (const LWLINE *line, char ordinate, double from, double to) |
| | Clip a line based on the from/to range of one of its ordinates. More...
|
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| LWCOLLECTION * | lwmline_clip_to_ordinate_range (const LWMLINE *mline, char ordinate, double from, double to) |
| | Clip a multi-line based on the from/to range of one of its ordinates. More...
|
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| LWCOLLECTION * | lwmpoint_clip_to_ordinate_range (const LWMPOINT *mpoint, char ordinate, double from, double to) |
| | Clip a multi-point based on the from/to range of one of its ordinates. More...
|
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| LWCOLLECTION * | lwpoint_clip_to_ordinate_range (const LWPOINT *mpoint, char ordinate, double from, double to) |
| | Clip a point based on the from/to range of one of its ordinates. More...
|
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| int | lwgeom_geohash_precision (GBOX bbox, GBOX *bounds) |
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| char * | geohash_point (double longitude, double latitude, int precision) |
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| void | decode_geohash_bbox (char *geohash, double *lat, double *lon, int precision) |
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| int | p4d_same (const POINT4D *p1, const POINT4D *p2) |
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| int | p3d_same (const POINT3D *p1, const POINT3D *p2) |
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| int | p2d_same (const POINT2D *p1, const POINT2D *p2) |
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| double | lwpoly_area (const LWPOLY *poly) |
| | Find the area of the outer ring - sum (area of inner rings). More...
|
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| double | lwcurvepoly_area (const LWCURVEPOLY *curvepoly) |
| | This should be rewritten to make use of the curve itself. More...
|
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| double | lwtriangle_area (const LWTRIANGLE *triangle) |
| | Find the area of the outer ring. More...
|
| |
| int | gserialized_read_gbox_p (const GSERIALIZED *g, GBOX *gbox) |
| | Pull a GBOX from the header of a GSERIALIZED, if one is available. More...
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| double | lwcompound_length (const LWCOMPOUND *comp) |
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| double | lwcompound_length_2d (const LWCOMPOUND *comp) |
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| double | lwline_length (const LWLINE *line) |
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| double | lwline_length_2d (const LWLINE *line) |
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| double | lwcircstring_length (const LWCIRCSTRING *circ) |
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| double | lwcircstring_length_2d (const LWCIRCSTRING *circ) |
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| double | lwpoly_perimeter (const LWPOLY *poly) |
| | Compute the sum of polygon rings length. More...
|
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| double | lwpoly_perimeter_2d (const LWPOLY *poly) |
| | Compute the sum of polygon rings length (forcing 2d computation). More...
|
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| double | lwcurvepoly_perimeter (const LWCURVEPOLY *poly) |
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| double | lwcurvepoly_perimeter_2d (const LWCURVEPOLY *poly) |
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| double | lwtriangle_perimeter (const LWTRIANGLE *triangle) |
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| double | lwtriangle_perimeter_2d (const LWTRIANGLE *triangle) |
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| LWLINE * | lwcompound_stroke (const LWCOMPOUND *icompound, uint32_t perQuad) |
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| LWPOLY * | lwcurvepoly_stroke (const LWCURVEPOLY *curvepoly, uint32_t perQuad) |
| |
| void | ptarray_affine (POINTARRAY *pa, const AFFINE *affine) |
| | Affine transform a pointarray. More...
|
| |
| void | ptarray_scale (POINTARRAY *pa, const POINT4D *factor) |
| | Scale a pointarray. More...
|
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| int | ptarray_has_z (const POINTARRAY *pa) |
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| int | ptarray_has_m (const POINTARRAY *pa) |
| |
| double | ptarray_signed_area (const POINTARRAY *pa) |
| | Returns the area in cartesian units. More...
|
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| LWLINE * | lwline_clone (const LWLINE *lwgeom) |
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| LWPOLY * | lwpoly_clone (const LWPOLY *lwgeom) |
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| LWTRIANGLE * | lwtriangle_clone (const LWTRIANGLE *lwgeom) |
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| LWCOLLECTION * | lwcollection_clone (const LWCOLLECTION *lwgeom) |
| | Clone LWCOLLECTION object. More...
|
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| LWCIRCSTRING * | lwcircstring_clone (const LWCIRCSTRING *curve) |
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| POINTARRAY * | ptarray_clone (const POINTARRAY *ptarray) |
| | Clone a POINTARRAY object. More...
|
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| GBOX * | box2d_clone (const GBOX *lwgeom) |
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| LWLINE * | lwline_clone_deep (const LWLINE *lwgeom) |
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| LWPOLY * | lwpoly_clone_deep (const LWPOLY *lwgeom) |
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| LWCOLLECTION * | lwcollection_clone_deep (const LWCOLLECTION *lwgeom) |
| | Deep clone LWCOLLECTION object. More...
|
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| GBOX * | gbox_clone (const GBOX *gbox) |
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| void | lwcircstring_reverse (LWCIRCSTRING *curve) |
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| int | lwpoly_startpoint (const LWPOLY *lwpoly, POINT4D *pt) |
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| int | ptarray_startpoint (const POINTARRAY *pa, POINT4D *pt) |
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| int | lwcollection_startpoint (const LWCOLLECTION *col, POINT4D *pt) |
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| void | closest_point_on_segment (const POINT4D *R, const POINT4D *A, const POINT4D *B, POINT4D *ret) |
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| POINTARRAY * | ptarray_remove_repeated_points_minpoints (const POINTARRAY *in, double tolerance, int minpoints) |
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| POINTARRAY * | ptarray_remove_repeated_points (const POINTARRAY *in, double tolerance) |
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| LWGEOM * | lwmpoint_remove_repeated_points (const LWMPOINT *in, double tolerance) |
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| LWGEOM * | lwline_remove_repeated_points (const LWLINE *in, double tolerance) |
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| LWGEOM * | lwcollection_remove_repeated_points (const LWCOLLECTION *in, double tolerance) |
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| LWGEOM * | lwpoly_remove_repeated_points (const LWPOLY *in, double tolerance) |
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| int | lwline_is_closed (const LWLINE *line) |
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| int | lwpoly_is_closed (const LWPOLY *poly) |
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| int | lwcircstring_is_closed (const LWCIRCSTRING *curve) |
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| int | lwcompound_is_closed (const LWCOMPOUND *curve) |
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| int | lwpsurface_is_closed (const LWPSURFACE *psurface) |
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| int | lwtin_is_closed (const LWTIN *tin) |
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| LWGEOM * | lwgeom_grid (const LWGEOM *lwgeom, const gridspec *grid) |
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| LWCOLLECTION * | lwcollection_grid (const LWCOLLECTION *coll, const gridspec *grid) |
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| LWPOINT * | lwpoint_grid (const LWPOINT *point, const gridspec *grid) |
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| LWPOLY * | lwpoly_grid (const LWPOLY *poly, const gridspec *grid) |
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| LWLINE * | lwline_grid (const LWLINE *line, const gridspec *grid) |
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| LWCIRCSTRING * | lwcircstring_grid (const LWCIRCSTRING *line, const gridspec *grid) |
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| POINTARRAY * | ptarray_grid (const POINTARRAY *pa, const gridspec *grid) |
| |
| int | lw_segment_side (const POINT2D *p1, const POINT2D *p2, const POINT2D *q) |
| | lw_segment_side() More...
|
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| int | lw_arc_side (const POINT2D *A1, const POINT2D *A2, const POINT2D *A3, const POINT2D *Q) |
| |
| int | lw_arc_calculate_gbox_cartesian_2d (const POINT2D *A1, const POINT2D *A2, const POINT2D *A3, GBOX *gbox) |
| |
| double | lw_arc_center (const POINT2D *p1, const POINT2D *p2, const POINT2D *p3, POINT2D *result) |
| | Determines the center of the circle defined by the three given points. More...
|
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| int | lw_pt_in_seg (const POINT2D *P, const POINT2D *A1, const POINT2D *A2) |
| | Returns true if P is between A1/A2. More...
|
| |
| int | lw_pt_in_arc (const POINT2D *P, const POINT2D *A1, const POINT2D *A2, const POINT2D *A3) |
| | Returns true if P is on the same side of the plane partition defined by A1/A3 as A2 is. More...
|
| |
| int | lw_arc_is_pt (const POINT2D *A1, const POINT2D *A2, const POINT2D *A3) |
| | Returns true if arc A is actually a point (all vertices are the same) . More...
|
| |
| double | lw_seg_length (const POINT2D *A1, const POINT2D *A2) |
| | Returns the length of a linear segment. More...
|
| |
| double | lw_arc_length (const POINT2D *A1, const POINT2D *A2, const POINT2D *A3) |
| | Returns the length of a circular arc segment. More...
|
| |
| int | pt_in_ring_2d (const POINT2D *p, const POINTARRAY *ring) |
| |
| int | ptarray_contains_point (const POINTARRAY *pa, const POINT2D *pt) |
| | Return 1 if the point is inside the POINTARRAY, -1 if it is outside, and 0 if it is on the boundary. More...
|
| |
| int | ptarrayarc_contains_point (const POINTARRAY *pa, const POINT2D *pt) |
| | For POINTARRAYs representing CIRCULARSTRINGS. More...
|
| |
| int | ptarray_contains_point_partial (const POINTARRAY *pa, const POINT2D *pt, int check_closed, int *winding_number) |
| |
| int | ptarrayarc_contains_point_partial (const POINTARRAY *pa, const POINT2D *pt, int check_closed, int *winding_number) |
| |
| int | lwcompound_contains_point (const LWCOMPOUND *comp, const POINT2D *pt) |
| |
| int | lwgeom_contains_point (const LWGEOM *geom, const POINT2D *pt) |
| |
| int | lwline_split_by_point_to (const LWLINE *ln, const LWPOINT *pt, LWMLINE *to) |
| | Split a line by a point and push components to the provided multiline. More...
|
| |
| void | lwcollection_reserve (LWCOLLECTION *col, int ngeoms) |
| | Ensure the collection can hold at least up to ngeoms geometries. More...
|
| |
| int | lwcollection_allows_subtype (int collectiontype, int subtype) |
| | Check if subtype is allowed in collectiontype. More...
|
| |
| double | gbox_angular_height (const GBOX *gbox) |
| | GBOX utility functions to figure out coverage/location on the globe. More...
|
| |
| double | gbox_angular_width (const GBOX *gbox) |
| | Returns the angular width (longitudinal span) of the box in radians. More...
|
| |
| int | gbox_centroid (const GBOX *gbox, POINT2D *out) |
| | Computes the average(ish) center of the box and returns success. More...
|
| |
| void | trim_trailing_zeros (char *num) |
| |
| int | ptarray_npoints_in_rect (const POINTARRAY *pa, const GBOX *gbox) |
| |
| int | gbox_contains_point2d (const GBOX *g, const POINT2D *p) |
| |
| int | lwpoly_contains_point (const LWPOLY *poly, const POINT2D *pt) |
| |
1.8.13