/**
* Add the given line to the graph
*
* @param wrappedLine is MasonGeometry wrapping a JTS line
* @note Some code copied from JTS PolygonizeGraph.addEdge() and hacked to fit
*/
private void addLineString(MasonGeometry wrappedLine) {
LineString line = (LineString) wrappedLine.geometry;
if (line.isEmpty()) {
return;
}
Coordinate[] linePts = CoordinateArrays.removeRepeatedPoints(line.getCoordinates());
if (linePts.length < 2) {
return;
}
Coordinate startPt = linePts[0];
Coordinate endPt = linePts[linePts.length - 1];
Node nStart = getNode(startPt); // nodes added as necessary side-effect
Node nEnd = getNode(endPt);
GeomPlanarGraphEdge edge = new GeomPlanarGraphEdge(line);
GeomPlanarGraphDirectedEdge de0 =
new GeomPlanarGraphDirectedEdge(nStart, nEnd, linePts[1], true);
GeomPlanarGraphDirectedEdge de1 =
new GeomPlanarGraphDirectedEdge(nEnd, nStart, linePts[linePts.length - 2], false);
edge.setDirectedEdges(de0, de1);
edge.setAttributes(wrappedLine.getAttributes());
add(edge);
}
/**
* Adds an Edge, DirectedEdges, and Nodes for the given LineString representation of an edge.
* Snaps all vertices according to GraphParams.GLOBAL_SNAP_DIST
*
* @param lineString
* @param id : the id coming out of OSM
*/
public void addLineString(
LineString lineString, int id, short envType, short cykType, double groenM) {
distancesCalculated = false;
if (lineString.isEmpty()) {
return;
}
if (lineString.getCoordinates().length < 2) {
System.exit(1);
}
Coordinate[] coordinates = lineString.getCoordinates();
modifyEnvelope(coordinates);
if (GraphParams.getInstance().getSnap()) {
double sd = GraphParams.getInstance().getSnapDistance();
for (Coordinate c : coordinates) {
c.x = c.x - (c.x % sd);
c.y = c.y - (c.y % sd);
}
}
Edge edge = getLineMergeGraphH4cked().addEdge(lineString);
edgeId__edge.put(id, edge);
if (edge != null) { // edge might not have been added because of coinciding coordinates
if (lineString.getUserData() == null) lineString.setUserData(new HashMap<String, Object>(3));
@SuppressWarnings("unchecked")
HashMap<String, Object> userdata = (HashMap<String, Object>) lineString.getUserData();
// HashMap<String, Object> hm = new HashMap<String, Object>();
userdata.put("id", id);
userdata.put("et", envType);
userdata.put("ct", cykType);
userdata.put("gm", groenM); // groenM
userdata.put("geom", lineString);
edge.setData(userdata);
// add edge data to the spatial index
}
}