SubgraphDepthLocater.h
/**********************************************************************
*
* GEOS - Geometry Engine Open Source
* http://geos.osgeo.org
*
* Copyright (C) 2006 Refractions Research Inc.
*
* This is free software; you can redistribute and/or modify it under
* the terms of the GNU Lesser General Public Licence as published
* by the Free Software Foundation.
* See the COPYING file for more information.
*
**********************************************************************
*
* Last port: operation/buffer/SubgraphDepthLocater.java r320 (JTS-1.12)
*
**********************************************************************/
#pragma once
#include <geos/export.h>
#include <vector>
#include <geos/geom/LineSegment.h> // for composition
// Forward declarations
namespace geos {
namespace geom {
class Coordinate;
}
namespace geomgraph {
class DirectedEdge;
}
namespace operation {
namespace buffer {
class BufferSubgraph;
class DepthSegment;
}
}
}
namespace geos {
namespace operation { // geos.operation
namespace buffer { // geos.operation.buffer
class GEOS_DLL SubgraphDepthLocater {
public:
SubgraphDepthLocater(std::vector<BufferSubgraph*>* newSubgraphs)
:
subgraphs(newSubgraphs)
{}
~SubgraphDepthLocater() {}
int getDepth(const geom::Coordinate& p);
private:
std::vector<BufferSubgraph*>* subgraphs;
geom::LineSegment seg;
void findStabbedSegments(const geom::Coordinate& stabbingRayLeftPt,
std::vector<DepthSegment*>& stabbedSegments);
void findStabbedSegments(const geom::Coordinate& stabbingRayLeftPt,
std::vector<geomgraph::DirectedEdge*>* dirEdges,
std::vector<DepthSegment*>& stabbedSegments);
void findStabbedSegments(const geom::Coordinate& stabbingRayLeftPt,
geomgraph::DirectedEdge* dirEdge,
std::vector<DepthSegment*>& stabbedSegments);
};
} // namespace geos::operation::buffer
} // namespace geos::operation
} // namespace geos
geos::geom::Coordinate
Coordinate is the lightweight class used to store coordinates.
Definition Coordinate.h:217
geos::geom::LineSegment
Definition LineSegment.h:61
geos::geomgraph::DirectedEdge
A directed EdgeEnd.
Definition geomgraph/DirectedEdge.h:42
geos::operation::buffer::BufferSubgraph
A connected subset of the graph of DirectedEdge and geomgraph::Node.
Definition BufferSubgraph.h:60
geos::geom
Definition Angle.h:26
geos::geomgraph
Contains classes that implement topology graphs.
Definition Depth.h:31
geos::operation::buffer
Provides classes for computing buffers of geometries.
Definition namespaces.h:182
geos::operation
Provides classes for implementing operations on geometries.
Definition CleanCoverage.h:34
geos
Basic namespace for all GEOS functionalities.
Definition geos.h:38