Spatial functions for temporal points. More...
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Functions | |
| FunctionCallInfo | fetch_fcinfo () |
| Fetch from the cache the fcinfo of the external function. More... | |
| void | store_fcinfo (FunctionCallInfo fcinfo) |
| Store in the cache the fcinfo of the external function. More... | |
| long double | closest_point2d_on_segment_ratio (const POINT2D *p, const POINT2D *A, const POINT2D *B, POINT2D *closest) |
| Returns a long double between 0 and 1 representing the location of the closest point on the segment to the given point, as a fraction of total segment length (2D version). More... | |
| long double | closest_point3dz_on_segment_ratio (const POINT3DZ *p, const POINT3DZ *A, const POINT3DZ *B, POINT3DZ *closest) |
| Returns a float between 0 and 1 representing the location of the closest point on the segment to the given point, as a fraction of total segment length (3D version). More... | |
| long double | closest_point_on_segment_sphere (const POINT4D *p, const POINT4D *A, const POINT4D *B, POINT4D *closest, double *dist) |
| Returns a float between 0 and 1 representing the location of the closest point on the geography segment to the given point, as a fraction of total segment length. More... | |
| void | interpolate_point4d_sphere (const POINT3D *p1, const POINT3D *p2, const POINT4D *v1, const POINT4D *v2, double f, POINT4D *p) |
| Find interpolation point p between geography points p1 and p2 so that the len(p1,p) == len(p1,p2) f and p falls on p1,p2 segment. More... | |
| void | ensure_spatial_validity (const Temporal *temp1, const Temporal *temp2) |
| Ensure that the spatial constraints required for operating on two temporal geometries are satisfied. More... | |
| void | ensure_not_geodetic_gs (const GSERIALIZED *gs) |
| Ensure that the spatial argument has planar coordinates. More... | |
| void | ensure_not_geodetic (int16 flags) |
| Ensure that the spatiotemporal argument has planar coordinates. More... | |
| void | ensure_same_geodetic (int16 flags1, int16 flags2) |
| Ensure that the spatiotemporal argument have the same type of coordinates, either planar or geodetic. More... | |
| void | ensure_same_geodetic_gs (const GSERIALIZED *gs1, const GSERIALIZED *gs2) |
| Ensure that the spatiotemporal argument have the same type of coordinates, either planar or geodetic. More... | |
| void | ensure_same_srid (int32_t srid1, int32_t srid2) |
| Ensure that the two spatial "objects" have the same SRID. More... | |
| void | ensure_same_srid_stbox (const STBOX *box1, const STBOX *box2) |
| Ensure that the spatiotemporal boxes have the same SRID. More... | |
| void | ensure_same_srid_tpoint_stbox (const Temporal *temp, const STBOX *box) |
| Ensure that the temporal point and the spatiotemporal boxes have the same SRID. More... | |
| void | ensure_same_srid_stbox_gs (const STBOX *box, const GSERIALIZED *gs) |
| Ensure that the temporal point and the geometry/geography have the same SRID. More... | |
| void | ensure_same_dimensionality (int16 flags1, int16 flags2) |
| Ensure that the temporal values have the same dimensionality. More... | |
| void | ensure_same_spatial_dimensionality (int16 flags1, int16 flags2) |
| Ensure that the temporal values have the same spatial dimensionality. More... | |
| void | ensure_same_dimensionality_gs (const GSERIALIZED *gs1, const GSERIALIZED *gs2) |
| Ensure that the geometries/geographies have the same dimensionality. More... | |
| void | ensure_same_spatial_dimensionality_stbox_gs (const STBOX *box1, const GSERIALIZED *gs) |
| Ensure that the spatiotemporal boxes have the same spatial dimensionality. More... | |
| void | ensure_same_dimensionality_tpoint_gs (const Temporal *temp, const GSERIALIZED *gs) |
| Ensure that the temporal point and the geometry/geography have the same dimensionality. More... | |
| void | ensure_has_Z (int16 flags) |
| Ensure that the temporal value has Z dimension. More... | |
| void | ensure_has_not_Z (int16 flags) |
| void | ensure_has_Z_gs (const GSERIALIZED *gs) |
| Ensure that the geometry/geography has not Z dimension. More... | |
| void | ensure_has_not_Z_gs (const GSERIALIZED *gs) |
| Ensure that the geometry/geography has not Z dimension. More... | |
| void | ensure_has_M_gs (const GSERIALIZED *gs) |
| Ensure that the geometry/geography has M dimension. More... | |
| void | ensure_has_not_M_gs (const GSERIALIZED *gs) |
| Ensure that the geometry/geography has not M dimension. More... | |
| void | ensure_point_type (const GSERIALIZED *gs) |
| Ensure that the geometry/geography is a point. More... | |
| void | ensure_non_empty (const GSERIALIZED *gs) |
| Ensure that the geometry/geography is not empty. More... | |
| const POINT2D * | gs_get_point2d_p (GSERIALIZED *gs) |
| Returns a 2D point from the serialized geometry. More... | |
| const POINT3DZ * | gs_get_point3dz_p (GSERIALIZED *gs) |
| Returns a 3DZ point from the serialized geometry. More... | |
| POINT2D | datum_get_point2d (Datum value) |
| Returns a 2D point from the datum. More... | |
| const POINT2D * | datum_get_point2d_p (Datum value) |
| Returns a pointer to a 2D point from the datum. More... | |
| POINT3DZ | datum_get_point3dz (Datum value) |
| Returns a 3DZ point from the datum. More... | |
| const POINT3DZ * | datum_get_point3dz_p (Datum value) |
| Returns a pointer to a 3DZ point from the datum. More... | |
| void | datum_get_point4d (POINT4D *p, Datum value) |
| Returns a 4D point from the datum. More... | |
| Datum | point_make (double x, double y, double z, bool hasz, bool geodetic, int32 srid) |
| Create a point. More... | |
| bool | datum_point_eq (Datum geopoint1, Datum geopoint2) |
| Returns true if the two points are equal. More... | |
| GSERIALIZED * | geo_serialize (LWGEOM *geom) |
| Serialize a geometry/geography. More... | |
| Datum | datum_transform (Datum value, Datum srid) |
| Call the PostGIS transform function. More... | |
| datum_func2 | get_distance_fn (int16 flags) |
| Select the appropriate distance function. More... | |
| datum_func2 | get_pt_distance_fn (int16 flags) |
| Select the appropriate distance function. More... | |
| Datum | geom_distance2d (Datum geom1, Datum geom2) |
| Returns the 2D distance between the two geometries. More... | |
| Datum | geom_distance3d (Datum geom1, Datum geom2) |
| Returns the 3D distance between the two geometries. More... | |
| Datum | geog_distance (Datum geog1, Datum geog2) |
| Returns the distance between the two geographies. More... | |
| Datum | pt_distance2d (Datum geom1, Datum geom2) |
| Returns the 2D distance between the two geometric points. More... | |
| Datum | pt_distance3d (Datum geom1, Datum geom2) |
| Returns the 3D distance between the two geometric points. More... | |
| Datum | geoseg_interpolate_point (Datum value1, Datum value2, long double ratio) |
| Returns a point interpolated from the geometry/geography segment with respect to the fraction of its total length. More... | |
| long double | geoseg_locate_point (Datum start, Datum end, Datum point, double *dist) |
| Returns a float between 0 and 1 representing the location of the closest point on the geometry segment to the given point, as a fraction of total segment length. More... | |
| bool | tpointseq_intersection_value (const TInstant *inst1, const TInstant *inst2, Datum value, TimestampTz *t) |
| Returns true if the segment of the temporal point value intersects the base value at the timestamp. More... | |
| bool | tgeompointseq_intersection (const TInstant *start1, const TInstant *end1, const TInstant *start2, const TInstant *end2, TimestampTz *t) |
| Returns true if the two segments of the temporal geometric point values intersect at the timestamp. More... | |
| bool | tgeogpointseq_intersection (const TInstant *start1, const TInstant *end1, const TInstant *start2, const TInstant *end2, TimestampTz *t) |
| Returns true if the two segments of the temporal geographic point values intersect at the timestamp. More... | |
| bool | geopoint_collinear (Datum value1, Datum value2, Datum value3, double ratio, bool hasz, bool geodetic) |
| Returns true if the three values are collinear. More... | |
| void | spheroid_init (SPHEROID *s, double a, double b) |
| void | geography_interpolate_point4d (const POINT3D *p1, const POINT3D *p2, const POINT4D *v1, const POINT4D *v2, double f, POINT4D *p) |
| Datum | tpoint_srid (PG_FUNCTION_ARGS) |
| Returns the SRID of a temporal point. More... | |
| Datum | tpoint_set_srid (PG_FUNCTION_ARGS) |
| Set the SRID of a temporal point. More... | |
| Temporal * | tpoint_set_srid_internal (Temporal *temp, int32 srid) |
| Set the SRID of a temporal point (dispatch function) More... | |
| int | tpointinst_srid (const TInstant *inst) |
| Returns the SRID of a temporal instant point. More... | |
| int | tpointinstset_srid (const TInstantSet *ti) |
| Returns the SRID of a temporal instant set point. More... | |
| int | tpointseq_srid (const TSequence *seq) |
| Returns the SRID of a temporal sequence point. More... | |
| int | tpointseqset_srid (const TSequenceSet *ts) |
| Returns the SRID of a temporal sequence set point. More... | |
| int | tpoint_srid_internal (const Temporal *t) |
| Returns the SRID of a temporal point (dispatch function) More... | |
| TInstant * | tpointinst_transform (const TInstant *inst, Datum srid) |
| Transform a temporal instant point into another spatial reference system. More... | |
| Datum | tgeompoint_to_tgeogpoint (PG_FUNCTION_ARGS) |
| Converts a temporal geometry point to a temporal geography point. More... | |
| Datum | tgeogpoint_to_tgeompoint (PG_FUNCTION_ARGS) |
| Converts a temporal geography point to a temporal geometry point. More... | |
| TInstant * | tgeogpointinst_to_tgeompointinst (const TInstant *inst) |
| TSequence * | tgeogpointseq_to_tgeompointseq (const TSequence *seq) |
| TSequenceSet * | tgeogpoints_to_tgeompoints (const TSequenceSet *ts) |
| Datum | tpoint_trajectory (PG_FUNCTION_ARGS) |
| Returns the trajectory of a temporal point. More... | |
| LWGEOM * | lwpointarr_make_trajectory (LWGEOM **lwpoints, int count, bool linear) |
| Compute a trajectory from a set of points. More... | |
| Datum | tpointinstset_trajectory (const TInstantSet *ti) |
| Compute the trajectory of a temporal instant set point. More... | |
| Datum | tpoint_trajectory_internal (const Temporal *temp) |
| Returns the trajectory of a temporal point (dispatch function) More... | |
| void | tpoint_trajectory_free (const Temporal *temp, Datum traj) |
| Free the trajectory after a call to tpoint_trajectory_internal. More... | |
| Datum | tpoint_trajectory_external (const Temporal *temp) |
| Returns the trajectory of a temporal point (dispatch function) More... | |
| Datum | tpointseq_make_trajectory (const TInstant **instants, int count, bool linear) |
| Compute the trajectory of an array of instants. More... | |
| Datum | geopoint_line (Datum value1, Datum value2) |
| Compute the trajectory from two points. More... | |
| LWLINE * | geopoint_lwline (Datum value1, Datum value2) |
| Compute the trajectory from two geometry points. More... | |
| Datum | tpointseq_trajectory (const TSequence *seq) |
| Returns the precomputed trajectory of a temporal sequence point. More... | |
| Datum | tpointseq_trajectory_copy (const TSequence *seq) |
| Copy the precomputed trajectory of a temporal sequence point. More... | |
| Datum | tpointseqset_trajectory (const TSequenceSet *ts) |
| Returns the trajectory of a temporal point with sequence set type from the precomputed trajectories of its composing segments. More... | |
| Datum | geo_set_precision (PG_FUNCTION_ARGS) |
| Sets the precision of the coordinates of the geometry. More... | |
| Datum | tpoint_set_precision (PG_FUNCTION_ARGS) |
| Set the precision of the coordinates of the temporal point to the number of decimal places. More... | |
| Datum | tpoint_get_x (PG_FUNCTION_ARGS) |
| Get the X coordinates of the temporal point. More... | |
| Datum | tpoint_get_y (PG_FUNCTION_ARGS) |
| Get the Y coordinates of the temporal point. More... | |
| Datum | tpoint_get_z (PG_FUNCTION_ARGS) |
| Get the Z coordinates of the temporal point. More... | |
| Temporal * | tpoint_get_coord_internal (const Temporal *temp, char c) |
| Get the X coordinates of the temporal point (internal function) More... | |
| Datum | tpoint_length (PG_FUNCTION_ARGS) |
| Returns the length traversed by the temporal sequence (set) point. More... | |
| Datum | tpoint_cumulative_length (PG_FUNCTION_ARGS) |
| Returns the cumulative length traversed by the temporal point. More... | |
| Datum | tpoint_speed (PG_FUNCTION_ARGS) |
| Returns the speed of the temporal point. More... | |
| Datum | tgeompoint_twcentroid (PG_FUNCTION_ARGS) |
| Datum | tpoint_azimuth (PG_FUNCTION_ARGS) |
| Returns the temporal azimuth of the temporal geometry point. More... | |
| Datum | tpointinstset_twcentroid (const TInstantSet *ti) |
| Returns the time-weighed centroid of the temporal geometry point of instant set type. More... | |
| Datum | tpointseq_twcentroid (const TSequence *seq) |
| Returns the time-weighed centroid of the temporal geometry point of sequence type. More... | |
| Datum | tpointseqset_twcentroid (const TSequenceSet *ts) |
| Returns the time-weighed centroid of the temporal geometry point of sequence set type. More... | |
| Datum | tpoint_twcentroid_internal (Temporal *temp) |
| Returns the time-weighed centroid of the temporal geometry point (dispatch function) More... | |
| Datum | geom_bearing (Datum point1, Datum point2) |
| Computes the bearing between two geometric points. More... | |
| Datum | geog_bearing (Datum point1, Datum point2) |
| Computes the bearing between two geographic points. More... | |
| bool | tgeompointseq_min_bearing_at_timestamp (const TInstant *start1, const TInstant *end1, const TInstant *start2, const TInstant *end2, TimestampTz *t) |
| Datum | tpoint_at_geometry (PG_FUNCTION_ARGS) |
| Restricts the temporal point to the geometry. More... | |
| Datum | tpoint_at_stbox (PG_FUNCTION_ARGS) |
| Restricts the temporal value to the spatiotemporal box. More... | |
| Datum | tpoint_minus_geometry (PG_FUNCTION_ARGS) |
| Restrict the temporal point to the complement of the geometry. More... | |
| Datum | tpoint_minus_stbox (PG_FUNCTION_ARGS) |
| Restricts the temporal value to the complement of the spatiotemporal box. More... | |
| TSequence ** | tpointseq_at_geometry (const TSequence *seq, Datum geo, int *count) |
| Restricts the temporal sequence point to the geometry. More... | |
| Temporal * | tpoint_restrict_geometry_internal (const Temporal *temp, Datum geom, bool atfunc) |
| Restricts the temporal point to the (complement of the) geometry (dispatch function) More... | |
| Temporal * | tpoint_at_stbox_internal (const Temporal *temp, const STBOX *box, bool exc_upper) |
| Restrict the temporal point to the spatiotemporal box. More... | |
| TInstantSet ** | tpointinstset_make_simple1 (const TInstantSet *ti, int *count) |
| Split a temporal point into an array of non self-intersecting pieces. More... | |
| TSequence ** | tpointseq_make_simple1 (const TSequence *seq, int *count) |
| Split a temporal point into an array of non self-intersecting pieces. More... | |
| Period ** | tpointseq_interperiods (const TSequence *seq, GSERIALIZED *gsinter, int *count) |
| Get the periods at which the temporal sequence point with linear interpolation intersects the geometry. More... | |
Detailed Description
Spatial functions for temporal points.
