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MobilityDB 1.3
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MobilityDB 1.3
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Spatial functions for temporal network points. More...
#include "npoint/tnpoint_spatialfuncs.h"#include <assert.h>#include <meos.h>#include <meos_internal_geo.h>#include "temporal/type_util.h"#include "geo/tgeo_spatialfuncs.h"#include "npoint/tnpoint.h"Functions | |
| bool | npoint_same (const Npoint *np1, const Npoint *np2) |
| Return true if two network points are approximately equal with respect to an epsilon value. More... | |
| Npoint * | npointsegm_interpolate (const Npoint *start, const Npoint *end, long double ratio) |
| Return a network point interpolated from a network point segment with respect to a fraction of its total length. More... | |
| long double | npointsegm_locate (const Npoint *start, const Npoint *end, const Npoint *value) |
| Return a float in (0,1) if a network point segment intersects a network point, return -1.0 if the network point is not located in the segment or if it is approximately equal to the start or the end valuess. More... | |
| Temporal * | tnpoint_at_geom (const Temporal *temp, const GSERIALIZED *gs) |
| Return a temporal network point restricted to a geometry. More... | |
| Temporal * | tnpoint_at_stbox (const Temporal *temp, const STBox *box, bool border_inc) |
| Return a temporal network point restricted to a geometry. More... | |
| Temporal * | tnpoint_cumulative_length (const Temporal *temp) |
| Cumulative length traversed by a temporal network point. More... | |
| double | tnpoint_length (const Temporal *temp) |
| Length traversed by a temporal network point. More... | |
| Temporal * | tnpoint_minus_geom (const Temporal *temp, const GSERIALIZED *gs) |
| Return a temporal point restricted to (the complement of) a geometry. More... | |
| Temporal * | tnpoint_minus_stbox (const Temporal *temp, const STBox *box, bool border_inc) |
| Return a temporal point restricted to (the complement of) a geometry. More... | |
| Temporal * | tnpoint_restrict_geom (const Temporal *temp, const GSERIALIZED *gs, bool atfunc) |
| Return a temporal network point restricted to (the complement of) a geometry. More... | |
| Temporal * | tnpoint_restrict_stbox (const Temporal *temp, const STBox *box, bool border_inc, bool atfunc) |
| Return a temporal network point restricted to (the complement of) a spatiotemporal box. More... | |
| Temporal * | tnpoint_speed (const Temporal *temp) |
| Speed of a temporal network point. More... | |
| GSERIALIZED * | tnpoint_trajectory (const Temporal *temp) |
| Return the geometry covered by a temporal network point. More... | |
| GSERIALIZED * | tnpoint_twcentroid (const Temporal *temp) |
| Return the time-weighed centroid of a temporal network point. More... | |
| GSERIALIZED * | tnpointinst_trajectory (const TInstant *inst) |
| Return the trajectory of a temporal network point. More... | |
| static TSequence * | tnpointseq_cumulative_length (const TSequence *seq, double prevlength) |
| Return the cumulative length traversed by a temporal point. More... | |
| static Npoint ** | tnpointseq_discstep_npoints (const TSequence *seq, int *count) |
| Return the network points covered by a temporal network point. More... | |
| double | tnpointseq_length (const TSequence *seq) |
| Length traversed by a temporal network point. More... | |
| static TSequence * | tnpointseq_speed (const TSequence *seq) |
| Speed of a temporal network point @csqlfn Tnpoint_speed() More... | |
| GSERIALIZED * | tnpointseq_trajectory (const TSequence *seq) |
| Return the trajectory a temporal network point. More... | |
| static TSequenceSet * | tnpointseqset_cumulative_length (const TSequenceSet *ss) |
| Cumulative length traversed by a temporal network point. More... | |
| double | tnpointseqset_length (const TSequenceSet *ss) |
| Length traversed by a temporal network point. More... | |
| static TSequenceSet * | tnpointseqset_speed (const TSequenceSet *ss) |
| Speed of a temporal network point. More... | |
| static Npoint ** | tnpointseqset_step_npoints (const TSequenceSet *ss, int *count) |
| Return the pointers to the network points covered by a temporal network point. More... | |
| GSERIALIZED * | tnpointseqset_trajectory (const TSequenceSet *ss) |
| Return the trajectory of a temporal network point. More... | |
Spatial functions for temporal network points.
1.9.5