You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
122 lines
2.6 KiB
Plaintext
122 lines
2.6 KiB
Plaintext
1 month ago
|
/**********************************************************************
|
||
|
|
*
|
||
|
|
* GEOS - Geometry Engine Open Source
|
||
|
|
* http://geos.osgeo.org
|
||
|
|
*
|
||
|
|
* Copyright (C) 2001-2002 Vivid Solutions Inc.
|
||
|
|
* Copyright (C) 2005 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: geomgraph/Depth.java rev. 1.4 (JTS-1.10)
|
||
|
|
*
|
||
|
|
**********************************************************************/
|
||
|
|
|
||
|
|
#ifndef GEOS_GEOMGRAPH_DEPTH_INL
|
||
|
|
#define GEOS_GEOMGRAPH_DEPTH_INL
|
||
|
|
|
||
|
|
#include <geos/geomgraph/Depth.h>
|
||
|
|
#include <geos/geom/Position.h>
|
||
|
|
#include <geos/geom/Location.h>
|
||
|
|
|
||
|
|
using geos::geom::Position;
|
||
|
|
|
||
|
|
namespace geos {
|
||
|
|
namespace geomgraph {
|
||
|
|
|
||
|
|
INLINE
|
||
|
|
Depth::Depth()
|
||
|
|
{
|
||
|
|
// initialize depth array to a sentinel value
|
||
|
|
for(int i = 0; i < 2; i++) {
|
||
|
|
for(int j = 0; j < 3; j++) {
|
||
|
|
depth[i][j] = NULL_VALUE;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
INLINE int
|
||
|
|
Depth::getDepth(int geomIndex, int posIndex) const
|
||
|
|
{
|
||
|
|
return depth[geomIndex][posIndex];
|
||
|
|
}
|
||
|
|
|
||
|
|
INLINE void
|
||
|
|
Depth::setDepth(int geomIndex, int posIndex, int depthValue)
|
||
|
|
{
|
||
|
|
depth[geomIndex][posIndex] = depthValue;
|
||
|
|
}
|
||
|
|
|
||
|
|
INLINE geom::Location
|
||
|
|
Depth::getLocation(int geomIndex, int posIndex) const
|
||
|
|
{
|
||
|
|
if(depth[geomIndex][posIndex] <= 0) {
|
||
|
|
return geom::Location::EXTERIOR;
|
||
|
|
}
|
||
|
|
return geom::Location::INTERIOR;
|
||
|
|
}
|
||
|
|
|
||
|
|
INLINE void
|
||
|
|
Depth::add(int geomIndex, int posIndex, geom::Location location)
|
||
|
|
{
|
||
|
|
if(location == geom::Location::INTERIOR) {
|
||
|
|
depth[geomIndex][posIndex]++;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
INLINE int
|
||
|
|
Depth::depthAtLocation(geom::Location location)
|
||
|
|
{
|
||
|
|
if(location == geom::Location::EXTERIOR) {
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
if(location == geom::Location::INTERIOR) {
|
||
|
|
return 1;
|
||
|
|
}
|
||
|
|
return NULL_VALUE;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* A Depth object is null (has never been initialized) if all depths are null.
|
||
|
|
*/
|
||
|
|
INLINE bool
|
||
|
|
Depth::isNull() const
|
||
|
|
{
|
||
|
|
for(int i = 0; i < 2; i++) {
|
||
|
|
for(int j = 0; j < 3; j++) {
|
||
|
|
if(depth[i][j] != NULL_VALUE) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
INLINE bool
|
||
|
|
Depth::isNull(int geomIndex) const
|
||
|
|
{
|
||
|
|
return depth[geomIndex][1] == NULL_VALUE;
|
||
|
|
}
|
||
|
|
|
||
|
|
INLINE bool
|
||
|
|
Depth::isNull(int geomIndex, int posIndex) const
|
||
|
|
{
|
||
|
|
return depth[geomIndex][posIndex] == NULL_VALUE;
|
||
|
|
}
|
||
|
|
|
||
|
|
INLINE int
|
||
|
|
Depth::getDelta(int geomIndex) const
|
||
|
|
{
|
||
|
|
return depth[geomIndex][Position::RIGHT] - depth[geomIndex][Position::LEFT];
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif
|