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/**********************************************************************
* $Id: IntersectionAdder.cpp 1820 2006-09-06 16:54:23Z mloskot $
*
* GEOS - Geometry Engine Open Source
* http://geos.refractions.net
*
* 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 Licence as published
* by the Free Software Foundation.
* See the COPYING file for more information.
*
**********************************************************************
*
* Last port: noding/FastNodingValidator.java rev. ??? (JTS-1.8)
*
**********************************************************************/
#include <geos/noding/FastNodingValidator.h>
#include <geos/noding/MCIndexNoder.h> // for checkInteriorIntersections()
#include <geos/noding/SingleInteriorIntersectionFinder.h>
#include <geos/util/TopologyException.h> // for checkValid()
#include <geos/geom/Coordinate.h>
#include <geos/io/WKTWriter.h> // for getErrorMessage()
#include <string>
#include <iostream>
namespace geos {
namespace noding { // geos.noding
/*private*/
void
FastNodingValidator::checkInteriorIntersections()
{
isValidVar = true;
segInt.reset(new SingleInteriorIntersectionFinder(li));
MCIndexNoder noder;
noder.setSegmentIntersector(segInt.get());
noder.computeNodes(&segStrings);
if (segInt->hasIntersection()) {
isValidVar = false;
return;
}
}
/*public*/
std::string
FastNodingValidator::getErrorMessage() const
{
using geos::io::WKTWriter;
using geos::geom::Coordinate;
if (isValidVar) return std::string("no intersections found");
//return std::string("found non-noded intersection etc etc");
const std::vector<Coordinate>& intSegs = segInt->getIntersectionSegments();
assert(intSegs.size() == 4);
return "found non-noded intersection between "
+ WKTWriter::toLineString(intSegs[0], intSegs[1])
+ " and "
+ WKTWriter::toLineString(intSegs[2], intSegs[3]);
}
void
FastNodingValidator::checkValid()
{
execute();
if (! isValidVar)
{
//std::cerr << "Not valid: " << getErrorMessage() << " interior intersection: " << segInt->getInteriorIntersection() << std::endl;
throw util::TopologyException(getErrorMessage(), segInt->getInteriorIntersection());
}
}
} // namespace geos.noding
} // namespace geos
/**********************************************************************
* $Log$
**********************************************************************/
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