Functions for spatial and spatiotemporal tiles. More...
#include <postgres.h>#include <assert.h>#include <funcapi.h>#include <access/htup_details.h>#include <liblwgeom.h>#include "point/tpoint_tile.h"#include "general/period.h"#include "general/timeops.h"#include "general/temporaltypes.h"#include "general/temporal_util.h"#include "general/temporal_tile.h"#include "point/tpoint.h"#include "point/tpoint_spatialfuncs.h"
Include dependency graph for tpoint_tile.c:
Functions | |
| BitMatrix * | bitmatrix_make (int *count, int numdims) |
| Create a bit matrix. More... | |
| bool | bitmatrix_get (const BitMatrix *bm, int *coords) |
| Get the value of the bit in the bit matrix. More... | |
| void | bitmatrix_set (BitMatrix *bm, int *coords, bool value) |
| Set the value of the bit in the bit matrix. More... | |
| static void | bresenham_bm (BitMatrix *bm, int *coords1, int *coords2, int numdims) |
| Set in the bit matrix the bits of the tiles connecting with a line the two input tiles. More... | |
| static void | stbox_tile_set (STBOX *result, double x, double y, double z, TimestampTz t, double size, int64 tunits, bool hasz, bool hast, int32 srid) |
| Generate a tile from the current state of the multidimensional grid. More... | |
| static STboxGridState * | stbox_tile_state_make (Temporal *temp, STBOX *box, double size, int64 tunits, POINT3DZ sorigin, TimestampTz torigin) |
| Create the initial state that persists across multiple calls of the function. More... | |
| static void | stbox_tile_state_next (STboxGridState *state) |
| Increment the current state to the next tile of the multidimensional grid. More... | |
| static bool | stbox_tile_state_get (STBOX *box, STboxGridState *state) |
| Get the current tile of the multidimensional grid. More... | |
| Datum | stbox_multidim_grid (PG_FUNCTION_ARGS) |
| Generate a multidimensional grid for temporal points. More... | |
| Datum | stbox_multidim_tile (PG_FUNCTION_ARGS) |
| Generate a tile in a multidimensional grid for temporal points. More... | |
| void | tile_get_coords (int *coords, double x, double y, double z, TimestampTz t, const STboxGridState *state) |
| Transform the minimum values of a tile into matrix coordinates. More... | |
| void | tpointinst_get_coords (int *coords, const TInstant *inst, bool hasz, bool hast, const STboxGridState *state) |
| Get the coordinates of the tile corresponding the temporal instant point. More... | |
| void | tpointinst_set_tiles (BitMatrix *bm, const TInstant *inst, bool hasz, bool hast, const STboxGridState *state) |
| Set the bit corresponding to the tiles intersecting the temporal point. More... | |
| void | tpointinstset_set_tiles (BitMatrix *bm, const TInstantSet *ti, bool hasz, bool hast, const STboxGridState *state) |
| Set the bit corresponding to the tiles intersecting the temporal point. More... | |
| void | tpointseq_set_tiles (BitMatrix *bm, const TSequence *seq, bool hasz, bool hast, const STboxGridState *state) |
| Set the bit corresponding to the tiles intersecting the temporal point. More... | |
| void | tpointseqset_set_tiles (BitMatrix *bm, const TSequenceSet *ts, bool hasz, bool hast, const STboxGridState *state) |
| Set the bit corresponding to the tiles intersecting the temporal point. More... | |
| void | tpoint_set_tiles (BitMatrix *bm, const Temporal *temp, const STboxGridState *state) |
| Set the bit corresponding to the tiles intersecting the temporal point (dispatch function) More... | |
| Datum | tpoint_space_split (PG_FUNCTION_ARGS) |
| Split a temporal point with respect to a spatial grid. More... | |
| Datum | tpoint_space_time_split (PG_FUNCTION_ARGS) |
| Split a temporal point with respect to a spatiotemporal grid. More... | |
Detailed Description
Functions for spatial and spatiotemporal tiles.
