Structure containing base backend callbacks. More...

#include <liblwgeom_topo.h>

Collaboration diagram for LWT_BE_CALLBACKS_T:

Data Fields
const char (	lastErrorMessage )(const LWT_BE_DATA *be)
	Read last error message from backend. More...

LWT_BE_TOPOLOGY (	createTopology )(const LWT_BE_DATA be, const char name, int srid, double precision, int hasZ)
	Create a new topology in the backend. More...

LWT_BE_TOPOLOGY (	loadTopologyByName )(const LWT_BE_DATA be, const char name)
	Load a topology from the backend. More...

int(*	freeTopology )(LWT_BE_TOPOLOGY *topo)
	Release memory associated to a backend topology. More...

LWT_ISO_NODE (	getNodeById )(const LWT_BE_TOPOLOGY topo, const LWT_ELEMID ids, int *numelems, int fields)
	Get nodes by id. More...

LWT_ISO_NODE (	getNodeWithinDistance2D )(const LWT_BE_TOPOLOGY topo, const LWPOINT pt, double dist, int *numelems, int fields, int limit)
	Get nodes within distance by point. More...

int(*	insertNodes )(const LWT_BE_TOPOLOGY topo, LWT_ISO_NODE nodes, int numelems)
	Insert nodes. More...

LWT_ISO_EDGE (	getEdgeById )(const LWT_BE_TOPOLOGY topo, const LWT_ELEMID ids, int *numelems, int fields)
	Get edge by id. More...

LWT_ISO_EDGE (	getEdgeWithinDistance2D )(const LWT_BE_TOPOLOGY topo, const LWPOINT pt, double dist, int *numelems, int fields, int limit)
	Get edges within distance by point. More...

LWT_ELEMID(*	getNextEdgeId )(const LWT_BE_TOPOLOGY *topo)
	Get next available edge identifier. More...

int(*	insertEdges )(const LWT_BE_TOPOLOGY topo, LWT_ISO_EDGE edges, int numelems)
	Insert edges. More...

int(*	updateEdges )(const LWT_BE_TOPOLOGY topo, const LWT_ISO_EDGE sel_edge, int sel_fields, const LWT_ISO_EDGE upd_edge, int upd_fields, const LWT_ISO_EDGE exc_edge, int exc_fields)
	Update edges selected by fields match/mismatch. More...

LWT_ISO_FACE (	getFaceById )(const LWT_BE_TOPOLOGY topo, const LWT_ELEMID ids, int *numelems, int fields)
	Get faces by id. More...

LWT_ELEMID(*	getFaceContainingPoint )(const LWT_BE_TOPOLOGY topo, const LWPOINT pt)
	Get face containing point. More...

int(*	updateTopoGeomEdgeSplit )(const LWT_BE_TOPOLOGY *topo, LWT_ELEMID split_edge, LWT_ELEMID new_edge1, LWT_ELEMID new_edge2)
	Update TopoGeometry objects after an edge split event. More...

int(*	deleteEdges )(const LWT_BE_TOPOLOGY topo, const LWT_ISO_EDGE sel_edge, int sel_fields)
	Delete edges. More...

LWT_ISO_NODE (	getNodeWithinBox2D )(const LWT_BE_TOPOLOGY topo, const GBOX box, int *numelems, int fields, int limit)
	Get edges whose bounding box overlaps a given 2D bounding box. More...

LWT_ISO_EDGE (	getEdgeWithinBox2D )(const LWT_BE_TOPOLOGY topo, const GBOX box, int *numelems, int fields, int limit)
	Get edges whose bounding box overlaps a given 2D bounding box. More...

LWT_ISO_EDGE (	getEdgeByNode )(const LWT_BE_TOPOLOGY topo, const LWT_ELEMID ids, int *numelems, int fields)
	Get edges that start or end on any of the given node identifiers. More...

int(*	updateNodes )(const LWT_BE_TOPOLOGY topo, const LWT_ISO_NODE sel_node, int sel_fields, const LWT_ISO_NODE upd_node, int upd_fields, const LWT_ISO_NODE exc_node, int exc_fields)
	Update nodes selected by fields match/mismatch. More...

int(*	updateTopoGeomFaceSplit )(const LWT_BE_TOPOLOGY *topo, LWT_ELEMID split_face, LWT_ELEMID new_face1, LWT_ELEMID new_face2)
	Update TopoGeometry objects after a face split event. More...

int(*	insertFaces )(const LWT_BE_TOPOLOGY topo, LWT_ISO_FACE faces, int numelems)
	Insert faces. More...

int(*	updateFacesById )(const LWT_BE_TOPOLOGY topo, const LWT_ISO_FACE faces, int numfaces)
	Update faces by id. More...

LWT_ELEMID (	getRingEdges )(const LWT_BE_TOPOLOGY topo, LWT_ELEMID edge, int numedges, int limit)

int(*	updateEdgesById )(const LWT_BE_TOPOLOGY topo, const LWT_ISO_EDGE edges, int numedges, int upd_fields)
	Update edges by id. More...

LWT_ISO_EDGE (	getEdgeByFace )(const LWT_BE_TOPOLOGY topo, const LWT_ELEMID ids, int numelems, int fields, const GBOX box)
	Get edges that have any of the given faces on the left or right side and optionally whose bounding box overlaps the given one. More...

LWT_ISO_NODE (	getNodeByFace )(const LWT_BE_TOPOLOGY topo, const LWT_ELEMID faces, int numelems, int fields, const GBOX box)
	Get isolated nodes contained in any of the given faces. More...

int(*	updateNodesById )(const LWT_BE_TOPOLOGY topo, const LWT_ISO_NODE nodes, int numnodes, int upd_fields)
	Update nodes by id. More...

int(*	deleteFacesById )(const LWT_BE_TOPOLOGY topo, const LWT_ELEMID ids, int numelems)
	Delete faces by id. More...

int(*	topoGetSRID )(const LWT_BE_TOPOLOGY *topo)
	Get topology SRID. More...

double(*	topoGetPrecision )(const LWT_BE_TOPOLOGY *topo)
	Get topology precision. More...

int(*	topoHasZ )(const LWT_BE_TOPOLOGY *topo)
	Get topology Z flag. More...

int(*	deleteNodesById )(const LWT_BE_TOPOLOGY topo, const LWT_ELEMID ids, int numelems)
	Delete nodes by id. More...

int(*	checkTopoGeomRemEdge )(const LWT_BE_TOPOLOGY *topo, LWT_ELEMID rem_edge, LWT_ELEMID face_left, LWT_ELEMID face_right)
	Check TopoGeometry objects before an edge removal event. More...

int(*	updateTopoGeomFaceHeal )(const LWT_BE_TOPOLOGY *topo, LWT_ELEMID face1, LWT_ELEMID face2, LWT_ELEMID newface)
	Update TopoGeometry objects after healing two faces. More...

int(*	checkTopoGeomRemNode )(const LWT_BE_TOPOLOGY *topo, LWT_ELEMID rem_node, LWT_ELEMID e1, LWT_ELEMID e2)
	Check TopoGeometry objects before a node removal event. More...

int(*	updateTopoGeomEdgeHeal )(const LWT_BE_TOPOLOGY *topo, LWT_ELEMID edge1, LWT_ELEMID edge2, LWT_ELEMID newedge)
	Update TopoGeometry objects after healing two edges. More...

LWT_ISO_FACE (	getFaceWithinBox2D )(const LWT_BE_TOPOLOGY topo, const GBOX box, int *numelems, int fields, int limit)
	Get faces whose bounding box overlaps a given 2D bounding box. More...

Detailed Description

Structure containing base backend callbacks.

Used for registering into the backend iface

Definition at line 140 of file liblwgeom_topo.h.

The documentation for this struct was generated from the following file:

liblwgeom_topo.h

Data Fields

Detailed Description