public void initialize(IInstance i) throws ThinklabException {
Properties p = new Properties();
p.putAll(Geospace.get().getProperties());
IValue server = i.get("geospace:hasServiceUrl");
if (server != null) p.put(WCSCoverage.WCS_SERVICE_PROPERTY, server.toString());
IValue format = i.get("geospace:hasImageFormat");
if (format != null) p.put(WCSCoverage.WCS_FORMAT_PROPERTY, format.toString());
for (IRelationship r : i.getRelationships("geospace:hasNodataValue")) {
IValue nodata = r.getValue();
if (nodata != null) {
String s = p.getProperty(AbstractRasterCoverage.NODATA_PROPERTY, "");
if (s.length() > 0) s += ",";
s += nodata.toString();
p.put(AbstractRasterCoverage.NODATA_PROPERTY, nodata.toString());
}
}
IValue transf = i.get(Geospace.HAS_TRANSFORMATION_EXPRESSION);
if (transf != null) {
this.transformation = new MVELExpression(transf.toString());
}
String rid = i.get("geospace:hasCoverageId").toString();
Geospace.get().logger().info("reading WCS source " + server + "#" + rid);
this.coverage = new WCSCoverage(rid, p);
}
/**
* Try out all the configured WMS servers (in imagery.properties) stopping at the first one that
* responds. The server will be in _wms after that; if none has responded, _wms will be null. It
* will only run the search once, so it can safely be called multiple times with no performance
* penalty, and should be called by each function that wants to use WMS imagery.
*/
private void initializeWms() {
if (_wms_index >= 0) return;
for (int i = 0; ; i++) {
String url =
Geospace.get().getProperties().getProperty(WMS_IMAGERY_SERVER_PROPERTY + "." + i);
if (url == null) break;
try {
WebMapServer wms = new WebMapServer(new URL(url));
if (wms != null) _wms = wms;
} catch (Exception e) {
/* just try the next */
}
_wms_index = i;
if (_wms != null) {
break;
}
}
}
public static void moveMapTo(OLmaps mp, ShapeValue value) {
Coordinate p1 = null, p2 = null;
ShapeValue env = new ShapeValue(value.getEnvelope());
try {
env = env.transform(Geospace.get().getStraightGeoCRS());
} catch (ThinklabException e2) {
throw new ThinklabRuntimeException(e2);
}
ReferencedEnvelope e = env.getEnvelope();
try {
p1 =
JTS.transform(
new Coordinate(e.getMinX(), e.getMinY()),
null,
ARIESWebappPlugin.get().geoToGoogleTransform);
p2 =
JTS.transform(
new Coordinate(e.getMaxX(), e.getMaxY()),
null,
ARIESWebappPlugin.get().geoToGoogleTransform);
} catch (TransformException e1) {
// shouldn't happen
throw new ThinklabRuntimeException(e1);
}
mp.setBounds(p1.x, p1.y, p2.x, p2.y);
}
public URL getWorldImageFile(String worldImage) throws ThinklabIOException {
URL ret = worldImages.get(worldImage);
if (ret != null) return ret;
return Geospace.get().getResourceURL(worldImage);
}
/**
* @param envelope
* @param width
* @param height
* @return
* @throws ThinklabResourceNotFoundException
*/
private BufferedImage getWMSImage(Envelope envelope, int width, int height)
throws ThinklabResourceNotFoundException {
BufferedImage ret = null;
initializeWms();
String sig = envelope.toString() + "," + width + "," + height;
if (_cache.containsKey(sig)) return ImageUtil.clone(_cache.get(sig));
if (_wms != null) {
GetMapRequest request = _wms.createGetMapRequest();
request.setFormat("image/png");
request.setDimensions("" + width, "" + height);
request.setTransparent(true);
// FIXME this assumes the envelope is in lat/lon
request.setSRS("EPSG:4326");
String bbox =
(float) envelope.getMinX()
+ ","
+ (float) envelope.getMinY()
+ ","
+ (float) envelope.getMaxX()
+ ","
+ (float) envelope.getMaxY();
request.setBBox(bbox);
for (Layer layer : getWMSLayers()) {
request.addLayer(layer);
}
GetMapResponse response = null;
try {
System.out.println(request.getFinalURL());
response = (GetMapResponse) _wms.issueRequest(request);
ret = ImageIO.read(response.getInputStream());
} catch (Exception e) {
Geospace.get().logger().warn("cannot get WFS imagery: " + e.getLocalizedMessage());
return null;
}
/*
* FIXME this obviously must have a limit
*/
if (ret != null) _cache.put(sig, ImageUtil.clone(ret));
}
return ret;
}
private Collection<Layer> getWMSLayers() {
String zp = Geospace.get().getProperties().getProperty(WMS_LAYER_PROPERTY + "." + _wms_index);
ArrayList<Layer> layers = new ArrayList<Layer>();
for (Layer l : WMSUtils.getNamedLayers(_wms.getCapabilities())) {
if (zp == null || (zp != null && zp.contains(l.getName()))) {
layers.add(l);
}
}
return layers;
}
public void setRegionFromGazetteer(String s) {
if (s != null && !s.equals("")) {
try {
ShapeValue sh = Geospace.get().retrieveFeature(s);
if (sh != null) {
sh = sh.transform(Geospace.get().getGoogleCRS());
userModel.resetRegionOfInterest(sh);
selectionBar.idle(true);
moveMapTo(map, sh);
getVectorLayer().clearFeatures();
getVectorLayer().addFeature("sel", sh.getWKT());
}
} catch (ThinklabException e1) {
throw new ThinklabRuntimeException(e1);
}
}
}
/**
* Show an arbitrary shape on the world map. Only one shape can be seen at a time. If the passed
* shape is null, just remove whatever shape is shown.
*
* @param sh
*/
public void showRegion(ShapeValue sh) {
if (shapeShown) {
getVectorLayer().removeFeature("selection");
shapeShown = false;
}
if (sh != null) {
try {
sh = sh.transform(Geospace.get().getGoogleCRS());
} catch (ThinklabException e) {
throw new ThinklabRuntimeException(e);
}
moveMapTo(map, sh);
getVectorLayer().clearFeatures();
getVectorLayer().addFeature("selection", sh.getWKT());
this.shapeShown = true;
}
}
@Override
public ListModel getSubModel(Object value, int nRows) {
final String name = value == null ? "" : value.toString().trim();
if (nRows < 0) nRows = 20;
ArrayList<ARIESUserModel.Location> ret = new ArrayList<ARIESUserModel.Location>();
if (name.isEmpty() && defaultValues != null) {
ret.addAll(defaultValues);
} else if (!name.isEmpty()) {
try {
IQueryResult qr = null;
try {
qr = Geospace.get().lookupFeature(name);
} catch (ThinklabInvalidQueryException e) {
// this will catch query compile errors if users write
// strange characters or are in between writing complex
// queries with parentheses
}
if (qr != null) {
for (int i = 0; i < nRows && i < qr.getTotalResultCount(); i++) {
ARIESUserModel.Location r = new ARIESUserModel.Location();
r.id = qr.getResultField(i, "id");
r.label = qr.getResultField(i, "label");
r.description = qr.getResultField(i, "description");
ret.add(r);
}
}
} catch (ThinklabException e) {
throw new ThinklabRuntimeException(e);
}
}
ListModel rt = new SimpleListModel(ret);
return rt;
}
