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MobilityDB 1.3
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MobilityDB 1.3
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Spatial functions for temporal geos. More...
#include "geo/tgeo_spatialfuncs.h"#include <utils/float.h>#include <liblwgeom.h>#include <liblwgeom_internal.h>#include <lwgeom_log.h>#include <lwgeodetic.h>#include <lwgeom_geos.h>#include <meos.h>#include <meos_geo.h>#include <meos_internal.h>#include <meos_internal_geo.h>#include "temporal/postgres_types.h"#include "temporal/lifting.h"#include "temporal/temporal.h"#include "temporal/temporal_compops.h"#include "temporal/tnumber_mathfuncs.h"#include "temporal/tsequence.h"#include "temporal/type_util.h"#include "geo/postgis_funcs.h"#include "geo/stbox.h"#include "geo/tgeo.h"#include "geo/tgeo_distance.h"Functions | |
| Datum | datum2_geog_centroid (Datum geo) |
| Return the centroid of a geography. More... | |
| Datum | datum2_geom_centroid (Datum geo) |
| Return the centroid of a geometry. More... | |
| Datum | datum2_point_eq (Datum point1, Datum point2) |
| Return true if the points are equal. More... | |
| Datum | datum_geog_distance (Datum geog1, Datum geog2) |
| Return the distance between the two geographies. More... | |
| Datum | datum_geom_distance2d (Datum geom1, Datum geom2) |
| Return the 2D distance between the two geometries. More... | |
| Datum | datum_geom_distance3d (Datum geom1, Datum geom2) |
| Return the 3D distance between the two geometries. More... | |
| void | datum_point4d (Datum value, POINT4D *p) |
| Return a 4D point from a datum. More... | |
| bool | datum_point_eq (Datum point1, Datum point2) |
| Return true if the points are equal. More... | |
| bool | datum_point_same (Datum point1, Datum point2) |
| Return true if the points are equal taking into account floating point imprecision. More... | |
| Datum | datum_pt_distance2d (Datum geom1, Datum geom2) |
| Return the 2D distance between the two geometry points. More... | |
| Datum | datum_pt_distance3d (Datum geom1, Datum geom2) |
| Return the 3D distance between the two geometry points. More... | |
| bool | ensure_has_M_geo (const GSERIALIZED *gs) |
| Ensure that the geometry/geography has M dimension. More... | |
| bool | ensure_has_not_M_geo (const GSERIALIZED *gs) |
| Ensure that the geometry/geography has not M dimension. More... | |
| bool | ensure_has_not_Z_geo (const GSERIALIZED *gs) |
| Ensure that the geometry/geography has not Z dimension. More... | |
| bool | ensure_has_Z_geo (const GSERIALIZED *gs) |
| Ensure that the geometry/geography has not Z dimension. More... | |
| bool | ensure_mline_type (const GSERIALIZED *gs) |
| Ensure that the geometry/geography is a (multi)line. More... | |
| bool | ensure_not_empty (const GSERIALIZED *gs) |
| Ensure that the geometry/geography is not empty. More... | |
| bool | ensure_not_geodetic (int16 flags) |
| Ensure that the spatiotemporal argument has planar coordinates. More... | |
| bool | ensure_not_geodetic_geo (const GSERIALIZED *gs) |
| Ensure that the geometry has planar coordinates. More... | |
| bool | ensure_point_type (const GSERIALIZED *gs) |
| Ensure that the geometry/geography is a point. More... | |
| bool | ensure_same_dimensionality (int16 flags1, int16 flags2) |
| Ensure that two temporal points have the same dimensionality as given by their flags. More... | |
| bool | ensure_same_dimensionality_geo (const GSERIALIZED *gs1, const GSERIALIZED *gs2) |
| Ensure that two geometries/geographies have the same dimensionality. More... | |
| bool | ensure_same_dimensionality_tspatial_geo (const Temporal *temp, const GSERIALIZED *gs) |
| Ensure that a spatiotemporal value and a geometry/geography have the same dimensionality. More... | |
| bool | ensure_same_geodetic (int16 flags1, int16 flags2) |
| Ensure that the spatiotemporal argument have the same type of coordinates, either planar or geodetic. More... | |
| bool | ensure_same_geodetic_geo (const GSERIALIZED *gs1, const GSERIALIZED *gs2) |
| Ensure that two geometries/geographies have the same dimensionality. More... | |
| bool | ensure_same_geodetic_stbox_geo (const STBox *box, const GSERIALIZED *gs) |
| Ensure that a spatiotemporal box and a geometry/geography have both planar or geodetic coordinates. More... | |
| bool | ensure_same_geodetic_tspatial_base (const Temporal *temp, Datum base) |
| Ensure that the spatiotemporal argument and the geometry/geography have the same type of coordinates, either planar or geodetic. More... | |
| bool | ensure_same_geodetic_tspatial_geo (const Temporal *temp, const GSERIALIZED *gs) |
| Ensure that the spatiotemporal argument and the geometry/geography have the same type of coordinates, either planar or geodetic. More... | |
| bool | ensure_same_spatial_dimensionality (int16 flags1, int16 flags2) |
| Ensure that two temporal points have the same spatial dimensionality as given by their flags. More... | |
| bool | ensure_same_spatial_dimensionality_stbox_geo (const STBox *box, const GSERIALIZED *gs) |
| Ensure that a spatiotemporal box and a geometry/geography have the same spatial dimensionality. More... | |
| bool | ensure_same_srid (int32_t srid1, int32_t srid2) |
| Ensure that the two spatial objects have the same SRID. More... | |
| bool | ensure_spatial_validity (const Temporal *temp1, const Temporal *temp2) |
| Ensure that the spatial constraints required for operating on two temporal geometries are satisfied. More... | |
| bool | ensure_srid_known (int32_t srid) |
| Ensure that the SRID is known. More... | |
| bool | ensure_tgeo_point_type (const Temporal *temp) |
| Ensure that all geometries composing a temporal geo are points. More... | |
| bool | ensure_tgeoinst_point_type (const TInstant *inst) |
| Ensure that all geometries composing a temporal geo are points. More... | |
| bool | ensure_tgeoseq_point_type (const TSequence *seq) |
| Ensure that all geometries composing a temporal geo are points. More... | |
| bool | ensure_tgeoseqset_point_type (const TSequenceSet *ss) |
| Ensure that all geometries composing a temporal geo are points. More... | |
| bool | ensure_valid_spatial_stbox_stbox (const STBox *box1, const STBox *box2) |
| Ensure the validity of a spatiotemporal boxes. More... | |
| bool | ensure_valid_stbox_geo (const STBox *box, const GSERIALIZED *gs) |
| Ensure the validity of a spatiotemporal box and a geometry. More... | |
| bool | ensure_valid_tgeo_geo (const Temporal *temp, const GSERIALIZED *gs) |
| Ensure the validity of a temporal geo and a spatiotemporal box. More... | |
| bool | ensure_valid_tgeo_stbox (const Temporal *temp, const STBox *box) |
| Ensure the validity of a temporal geo and a spatiotemporal box. More... | |
| bool | ensure_valid_tgeo_tgeo (const Temporal *temp1, const Temporal *temp2) |
| Ensure the validity of two temporal geos. More... | |
| bool | ensure_valid_tspatial_base (const Temporal *temp, Datum base) |
| Ensure the validity of a spatiotemporal value and a geometry/geography. More... | |
| bool | ensure_valid_tspatial_geo (const Temporal *temp, const GSERIALIZED *gs) |
| Ensure the validity of a spatiotemporal value and a geometry/geography. More... | |
| bool | ensure_valid_tspatial_tspatial (const Temporal *temp1, const Temporal *temp2) |
| Ensure that two temporal numbers have the same span type. More... | |
| uint32_t * | geo_cluster_dbscan (const GSERIALIZED **geoms, uint32_t ngeoms, double tolerance, int minpoints) |
| Return an array of integers specifying the cluster number assigned to the input geometries using the DBSCAN algorithm contains a geometry. More... | |
| GSERIALIZED ** | geo_cluster_intersecting (const GSERIALIZED **geoms, uint32_t ngeoms, int *count) |
| Return an array of GeometryCollections partitioning the input geometries into connected clusters that are disjoint. More... | |
| int * | geo_cluster_kmeans (const GSERIALIZED **geoms, uint32_t n, uint32_t k) |
| Return an array of integers specifying the cluster number assigned to the input geometries using the k-means algorithm contains a geometry. More... | |
| GSERIALIZED ** | geo_cluster_within (const GSERIALIZED **geoms, uint32_t ngeoms, double tolerance, int *count) |
| Return an array of GeometryCollections partitioning the input geometries into clusters in which each geometry is within the specified distance of at least one other geometry in the same cluster. More... | |
| datum_func2 | geo_distance_fn (int16 flags) |
| Select the appropriate distance function. More... | |
| int | geopoint_cmp (const GSERIALIZED *gs1, const GSERIALIZED *gs2) |
| Return -1, 0, or 1 depending on whether the first point is less than, equal to, or greater than the second one. More... | |
| bool | geopoint_eq (const GSERIALIZED *gs1, const GSERIALIZED *gs2) |
| Return true if the points are equal. More... | |
| GSERIALIZED * | geopoint_make (double x, double y, double z, bool hasz, bool geodetic, int32_t srid) |
| Return a point created from the arguments. More... | |
| bool | geopoint_same (const GSERIALIZED *gs1, const GSERIALIZED *gs2) |
| Return true if the points are equal taking into account floating point imprecision. More... | |
| static int16 | gserialized_flags (const GSERIALIZED *gs) |
| Get the MEOS flags from a geo value. More... | |
| bool | mline_type (const GSERIALIZED *gs) |
| Ensure that the geometry/geography is a (multi)line. More... | |
| datum_func2 | pt_distance_fn (int16 flags) |
| Select the appropriate distance function. More... | |
| bool | same_dimensionality_tspatial_geo (const Temporal *temp, const GSERIALIZED *gs) |
| Return true if a spatiotemporal value and a geometry/geography have thesame dimensionality. More... | |
| bool | same_spatial_dimensionality (int16 flags1, int16 flags2) |
| Return true if the two temporal points have the same spatial dimensionality as given by their flags. More... | |
| int16 | spatial_flags (Datum d, meosType basetype) |
| Get the MEOS flags from a spatial value. More... | |
| Temporal * | tgeo_affine (const Temporal *temp, const AFFINE *a) |
| Return the 3D affine transform of a temporal geo to do things like translate, rotate, scale in one step. More... | |
| Temporal * | tgeo_centroid (const Temporal *temp) |
| Return the centroid of a temporal geo as a temporal point. More... | |
| GSERIALIZED * | tgeo_convex_hull (const Temporal *temp) |
| Return the convex hull of a temporal geo. More... | |
| Temporal * | tgeo_scale (const Temporal *temp, const GSERIALIZED *scale, const GSERIALIZED *sorigin) |
| Scale a temporal geo by given factors. More... | |
| Temporal * | tgeo_tpoint (const Temporal *temp, bool oper) |
| Return a temporal geo transformed from/to a temporal point. More... | |
| GSERIALIZED * | tgeo_traversed_area (const Temporal *temp) |
| Return the traversed area of a temporal geo or the trajectory for a temporal point with discrete or step interpolation. More... | |
| Temporal * | tgeogpoint_to_tgeography (const Temporal *temp) |
| Return a temporal geography from a temporal geography point. More... | |
| Temporal * | tgeography_to_tgeogpoint (const Temporal *temp) |
| Return a temporal geography point from a temporal geography. More... | |
| Temporal * | tgeography_to_tgeometry (const Temporal *temp) |
| Return a temporal geometry from to a temporal geography. More... | |
| static TInstant * | tgeoinst_affine (TInstant *inst, const AFFINE *a) |
| Return the affine transformation of a temporal geo instant. More... | |
| static void | tgeoinst_affine_iter (const TInstant *inst, const AFFINE *a, TInstant **result) |
| Return the affine transformation of a temporal geo instant (iterator function) More... | |
| static TInstant * | tgeoinst_scale (const TInstant *inst, const POINT4D *factors) |
| Return a temporal geo instant scaled by given factors. More... | |
| static void | tgeoinst_scale_iter (const TInstant *inst, const POINT4D *factors, TInstant **result) |
| Return the scale transformation of a temporal geo instant (iterator function) More... | |
| TInstant * | tgeoinst_tpointinst (const TInstant *inst, bool oper) |
| Return a temporal geo transformed from/to a temporal point. More... | |
| Temporal * | tgeom_tgeog (const Temporal *temp, bool oper) |
| Return a temporal geometry/geography transformed from/to a temporal geometry/geography. More... | |
| Temporal * | tgeometry_to_tgeography (const Temporal *temp) |
| Return a temporal geography from a temporal geometry. More... | |
| Temporal * | tgeometry_to_tgeompoint (const Temporal *temp) |
| Return a temporal geometry point from a temporal geometry. More... | |
| TInstant * | tgeominst_tgeoginst (const TInstant *inst, bool oper) |
| Return a temporal geometry/geography transformed from/to a temporal geometry/geography. More... | |
| Temporal * | tgeompoint_to_tgeometry (const Temporal *temp) |
| Return a temporal geometry from a temporal geometry point. More... | |
| TSequence * | tgeomseq_tgeogseq (const TSequence *seq, bool oper) |
| Return a temporal geometry/geography transformed from/to a temporal geometry/geography. More... | |
| TSequenceSet * | tgeomseqset_tgeogseqset (const TSequenceSet *ss, bool oper) |
| Return a temporal geometry/geography transformed from/to a temporal geometry/geography. More... | |
| static TSequence * | tgeoseq_affine (const TSequence *seq, const AFFINE *a) |
| Return the affine transform a temporal geo sequence. More... | |
| static TSequence * | tgeoseq_scale (const TSequence *seq, const POINT4D *factors) |
| Return a temporal geo sequence scaled by given factors. More... | |
| TSequence * | tgeoseq_tpointseq (const TSequence *seq, bool oper) |
| Return a temporal geo transformed from/to a temporal point. More... | |
| static TSequenceSet * | tgeoseqset_affine (const TSequenceSet *ss, const AFFINE *a) |
| Return the affine transformation of a temporal geo sequence set. More... | |
| static TSequenceSet * | tgeoseqset_scale (const TSequenceSet *ss, const POINT4D *factors) |
| Return a temporal geo sequence scaled by given factors. More... | |
| TSequenceSet * | tgeoseqset_tpointseqset (const TSequenceSet *ss, bool oper) |
| Return a temporal geo transformed from/to a temporal point. More... | |
Spatial functions for temporal geos.
1.9.5