GEOS
3.7.2
include
geos
index
chain
MonotoneChainSelectAction.h
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/**********************************************************************
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*
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* GEOS - Geometry Engine Open Source
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* http://geos.osgeo.org
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*
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* Copyright (C) 2001-2002 Vivid Solutions Inc.
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*
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* This is free software; you can redistribute and/or modify it under
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* the terms of the GNU Lesser General Public Licence as published
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* by the Free Software Foundation.
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* See the COPYING file for more information.
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*
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**********************************************************************
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*
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* Last port: index/chain/MonotoneChainSelectAction.java rev. 1.6 (JTS-1.10)
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*
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**********************************************************************/
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#ifndef GEOS_IDX_CHAIN_MONOTONECHAINSELECTACTION_H
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#define GEOS_IDX_CHAIN_MONOTONECHAINSELECTACTION_H
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#include <geos/export.h>
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#include <geos/geom/LineSegment.h>
// composition
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#include <geos/geom/Envelope.h>
// composition
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// Forward declarations
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namespace
geos
{
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namespace
index {
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namespace
chain {
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class
MonotoneChain;
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}
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}
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}
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namespace
geos
{
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namespace
index {
// geos::index
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namespace
chain {
// geos::index::chain
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class
GEOS_DLL
MonotoneChainSelectAction
{
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protected
:
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geom::LineSegment
selectedSegment;
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public
:
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MonotoneChainSelectAction
() {}
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virtual
~
MonotoneChainSelectAction
() {}
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virtual
void
select(
MonotoneChain
& mc,
unsigned
int
start);
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virtual
void
select(
const
geom::LineSegment
& seg) = 0;
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// these envelopes are used during the MonotoneChain search process
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// should only be visible by classes in this package
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geom::Envelope
tempEnv1;
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};
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}
// namespace geos::index::chain
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}
// namespace geos::index
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}
// namespace geos
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#endif // GEOS_IDX_CHAIN_MONOTONECHAINSELECTACTION_H
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geos::index::chain::MonotoneChainSelectAction
Definition:
MonotoneChainSelectAction.h:45
geos
Basic namespace for all GEOS functionalities.
Definition:
IndexedNestedRingTester.h:25
geos::index::chain::MonotoneChain
Monotone Chains are a way of partitioning the segments of a linestring to allow for fast searching of...
Definition:
index/chain/MonotoneChain.h:85
geos::geom::LineSegment
Definition:
LineSegment.h:57
geos::geom::Envelope
An Envelope defines a rectangulare region of the 2D coordinate plane.
Definition:
Envelope.h:91
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