GEOS 3.14.0dev
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Represents a node in the topological graph used to compute spatial relationships. More...
#include <RelateNode.h>
Public Member Functions | |
RelateNode (const geom::Coordinate &coord, geomgraph::EdgeEndStar *edges) | |
void | updateIMFromEdges (geom::IntersectionMatrix &im) |
Public Member Functions inherited from geos::geomgraph::Node | |
Node (const geom::Coordinate &newCoord, EdgeEndStar *newEdges) | |
const geom::Coordinate & | getCoordinate () const |
EdgeEndStar * | getEdges () |
bool | isIsolated () const override |
void | add (EdgeEnd *e) |
Add the edge to the list of edges at this node. | |
void | mergeLabel (const Node &n) |
void | mergeLabel (const Label &label2) |
To merge labels for two nodes, the merged location for each LabelElement is computed. | |
void | setLabel (uint8_t argIndex, geom::Location onLocation) |
void | setLabelBoundary (uint8_t argIndex) |
Updates the label of a node to BOUNDARY, obeying the mod-2 boundaryDetermination rule. | |
geom::Location | computeMergedLocation (const Label &label2, uint8_t eltIndex) |
std::string | print () const |
const std::vector< double > & | getZ () const |
void | addZ (double) |
bool | isIncidentEdgeInResult () const |
Tests whether any incident edge is flagged as being in the result. | |
Public Member Functions inherited from geos::geomgraph::GraphComponent | |
GraphComponent (const Label &newLabel) | |
Label & | getLabel () |
const Label & | getLabel () const |
void | setLabel (const Label &newLabel) |
void | setInResult (bool p_isInResult) |
bool | isInResult () const |
void | setCovered (bool isCovered) |
bool | isCovered () const |
bool | isCoveredSet () const |
bool | isVisited () const |
void | setVisited (bool p_isVisited) |
void | updateIM (geom::IntersectionMatrix &im) |
Protected Member Functions | |
void | computeIM (geom::IntersectionMatrix &im) override |
Basic nodes do not compute IMs. | |
Protected Member Functions inherited from geos::geomgraph::Node | |
void | testInvariant () const |
Additional Inherited Members | |
Protected Attributes inherited from geos::geomgraph::Node | |
geom::Coordinate | coord |
EdgeEndStar * | edges |
Protected Attributes inherited from geos::geomgraph::GraphComponent | |
Label | label |
Represents a node in the topological graph used to compute spatial relationships.
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overrideprotectedvirtual |
Basic nodes do not compute IMs.
Reimplemented from geos::geomgraph::Node.
void geos::operation::relate::RelateNode::updateIMFromEdges | ( | geom::IntersectionMatrix & | im | ) |
Update the IM with the contribution for the EdgeEnds incident on this node.