const Coordinate WayLocation::getCoordinate() const
{
ConstNodePtr p0 = _map->getNode(_way->getNodeId(_segmentIndex));
if (_segmentFraction <= 0.0)
{
return p0->toCoordinate();
}
else
{
ConstNodePtr p1 = _map->getNode(_way->getNodeId(_segmentIndex + 1));
return pointAlongSegmentByFraction(p0->toCoordinate(), p1->toCoordinate(), _segmentFraction);
}
}
/* public */
Coordinate
LinearLocation::getCoordinate(const Geometry* linearGeom) const
{
const LineString* lineComp = dynamic_cast<const LineString *> (linearGeom->getGeometryN(componentIndex));
if ( ! lineComp ) {
throw util::IllegalArgumentException("LinearLocation::getCoordinate only works with LineString geometries");
}
Coordinate p0 = lineComp->getCoordinateN(segmentIndex);
if (segmentIndex >= lineComp->getNumPoints() - 1)
return p0;
Coordinate p1 = lineComp->getCoordinateN(segmentIndex + 1);
return pointAlongSegmentByFraction(p0, p1, segmentFraction);
}
