#include <assert.h>#include "../postgis_config.h"#include "lwgeom_pg.h"#include "liblwgeom.h"#include "liblwgeom_internal.h"#include "lwgeom_cache.h"#include "lwgeom_rtree.h"
Include dependency graph for lwgeom_rtree.c:
Go to the source code of this file.
Functions | |
| static void | RTreeFree (RTREE_NODE *root) |
| Recursively frees the child nodes, the interval and the line before freeing the root node. More... | |
| static RTREE_POLY_CACHE * | RTreeCacheCreate () |
| Allocate a fresh clean RTREE_POLY_CACHE. More... | |
| static void | RTreeCacheClear (RTREE_POLY_CACHE *cache) |
| Free the cache object and all the sub-objects properly. More... | |
| static uint32 | IntervalIsContained (RTREE_INTERVAL *interval, double value) |
| Returns 1 if min < value <= max, 0 otherwise. More... | |
| static RTREE_INTERVAL * | RTreeMergeIntervals (RTREE_INTERVAL *inter1, RTREE_INTERVAL *inter2) |
| Creates an interval with the total extents of the two given intervals. More... | |
| static RTREE_INTERVAL * | RTreeCreateInterval (double value1, double value2) |
| Creates an interval given the min and max values, in arbitrary order. More... | |
| static RTREE_NODE * | RTreeCreateInteriorNode (RTREE_NODE *left, RTREE_NODE *right) |
| Creates an interior node given the children. More... | |
| static RTREE_NODE * | RTreeCreateLeafNode (POINTARRAY *pa, int startPoint) |
| Creates a leaf node given the pointer to the start point of the segment. More... | |
| static RTREE_NODE * | RTreeCreate (POINTARRAY *pointArray) |
| Creates an rtree given a pointer to the point array. More... | |
| static LWMLINE * | RTreeMergeMultiLines (LWMLINE *line1, LWMLINE *line2) |
| Merges two multilinestrings into a single multilinestring. More... | |
| static int | RTreeBuilder (const LWGEOM *lwgeom, GeomCache *cache) |
| Callback function sent into the GetGeomCache generic caching system. More... | |
| static int | RTreeFreer (GeomCache *cache) |
| Callback function sent into the GetGeomCache generic caching system. More... | |
| static GeomCache * | RTreeAllocator (void) |
| RTREE_POLY_CACHE * | GetRtreeCache (FunctionCallInfo fcinfo, GSERIALIZED *g1) |
| Checks for a cache hit against the provided geometry and returns a pre-built index structure (RTREE_POLY_CACHE) if one exists. More... | |
| LWMLINE * | RTreeFindLineSegments (RTREE_NODE *root, double value) |
| Retrieves a collection of line segments given the root and crossing value. More... | |
Variables | |
| static GeomCacheMethods | RTreeCacheMethods |
