geos::linearref::LocationIndexOfLine Class Reference

Determines the location of a subline along a linear Geometry. More...

#include <LocationIndexOfLine.h>

Collaboration diagram for geos::linearref::LocationIndexOfLine:

Public Member Functions
	LocationIndexOfLine (const geom::Geometry *linearGeom)
LinearLocation *	indicesOf (const geom::Geometry *subLine) const
	Caller must take of releasing with delete[]. More...

Static Public Member Functions
static LinearLocation *	indicesOf (const geom::Geometry *linearGeom, const geom::Geometry *subLine)
	Determines the location of a subline along a linear Geometry. More...

Private Attributes
const geom::Geometry *	linearGeom

Detailed Description

Determines the location of a subline along a linear Geometry.

The location is reported as a pair of LinearLocations.

Note

Currently this algorithm is not guaranteed to return the correct substring in some situations where an endpoint of the test line occurs more than once in the input line. (However, the common case of a ring is always handled correctly).

Definition at line 40 of file LocationIndexOfLine.h.

Constructor & Destructor Documentation

geos::linearref::LocationIndexOfLine::LocationIndexOfLine

(

const geom::Geometry *

linearGeom

)

Member Function Documentation

static LinearLocation* geos::linearref::LocationIndexOfLine::indicesOf ( const geom::Geometry *  linearGeom, const geom::Geometry *  subLine  )

static

Determines the location of a subline along a linear Geometry.

The location is reported as a pair of LinearLocations.

Note

Currently this algorithm is not guaranteed to return the correct substring in some situations where an endpoint of the test line occurs more than once in the input line. (However, the common case of a ring is always handled correctly).

Caller must take of releasing with delete[]

Referenced by geos::linearref::LocationIndexedLine::indicesOf().

Here is the caller graph for this function:

LinearLocation* geos::linearref::LocationIndexOfLine::indicesOf

(

const geom::Geometry *

subLine

)

const

Caller must take of releasing with delete[].

Member Data Documentation

const geom::Geometry* geos::linearref::LocationIndexOfLine::linearGeom

private

MD - this algorithm has been extracted into a class because it is intended to validate that the subline truly is a subline, and also to use the internal vertex information to unambiguously locate the subline.

Definition at line 47 of file LocationIndexOfLine.h.

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

• LocationIndexOfLine.h