public static void createGeom(List<Node> nodes) {
StringBuilder wkt = new StringBuilder();
for (Node node : nodes) wkt.append(node.lng + " " + node.lat + ", ");
wkt.delete(wkt.length() - 2, wkt.length());
wkt.insert(0, "POLYGON((");
wkt.append("))");
WKTReader wktreader = new WKTReader();
Geometry geom = null;
try {
geom = wktreader.read(wkt.toString());
} catch (Exception ex) {
ex.printStackTrace();
}
Polygon pol = (Polygon) geom;
if (!pol.isValid()) {
Geometry repaired = pol.buffer(0.0D);
log.info("Invalid polygon detected. Is fixed? " + repaired.isValid());
wkt = new StringBuilder(repaired.toText());
}
try {
System.out.println(pol.contains(wktreader.read("POINT(82 25)")));
} catch (ParseException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
@Override
public void modelChanged(Object element, String event) {
if (element instanceof IDataContent) {
try {
IDataContent datacontent = (IDataContent) element;
if (event == com.metaaps.eoclipse.common.Model.ADDED) {
addDataLayer(datacontent);
} else if (event == com.metaaps.eoclipse.common.Model.REMOVED) {
removeDataLayer(datacontent);
}
} catch (ParseException e) {
Util.errorMessage("Could not remove data layer.");
e.printStackTrace();
}
}
}
private void renderLayers() {
if ((m_datasets != null) && (canvas != null)) {
// scan datasets for all data
for (Object obj : m_datasets.getChildren()) {
if (obj instanceof IDataContent) {
IDataContent datacontent = (IDataContent) obj;
try {
addDataLayer(datacontent);
} catch (ParseException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
}
}
private double calculateArea(StringBuilder builder) {
WKTReader reader = new WKTReader(geometryFactory);
builder.append(this.firstLat).append(" ").append(this.firstLong);
builder.append("))");
try {
System.out.println("generate polygon");
Polygon polygon = (Polygon) reader.read("POLYGON ((" + builder.toString());
double polygonArea = polygon.getArea();
System.out.println("Area: " + polygonArea);
return polygonArea;
} catch (ParseException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return 0;
}
public Map<String, Geometry> readShapeFile(String filename, String attrString) {
Map<String, Geometry> shapeMap = new HashMap<String, Geometry>();
for (SimpleFeature ft : ShapeFileReader.getAllFeatures(filename)) {
GeometryFactory geometryFactory = new GeometryFactory();
WKTReader wktReader = new WKTReader(geometryFactory);
Geometry geometry;
try {
geometry = wktReader.read((ft.getAttribute("the_geom")).toString());
shapeMap.put(ft.getAttribute(attrString).toString(), geometry);
} catch (ParseException e) {
e.printStackTrace();
}
}
return shapeMap;
}
public Map<String, Geometry> readShapeFile(String filename, String attrString) {
// attrString: Für Brandenburg: Nr
// für OSM: osm_id
Map<String, Geometry> shapeMap = new HashMap<String, Geometry>();
for (SimpleFeature ft : ShapeFileReader.getAllFeatures(filename)) {
GeometryFactory geometryFactory = new GeometryFactory();
WKTReader wktReader = new WKTReader(geometryFactory);
Geometry geometry;
try {
geometry = wktReader.read((ft.getAttribute("the_geom")).toString());
shapeMap.put(ft.getAttribute(attrString).toString(), geometry);
} catch (ParseException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
return shapeMap;
}