@Override
public Layer createLayer(LayerContext ctx, PropertySet configuration) {
CoordinateReferenceSystem targetCrs = null;
if (ctx != null) {
targetCrs = (CoordinateReferenceSystem) ctx.getCoordinateReferenceSystem();
}
FeatureCollection<SimpleFeatureType, SimpleFeature> fc;
fc =
(FeatureCollection<SimpleFeatureType, SimpleFeature>)
configuration.getValue(FeatureLayerType.PROPERTY_NAME_FEATURE_COLLECTION);
if (fc == null) {
try {
final URL url =
(URL) configuration.getValue(FeatureLayerType.PROPERTY_NAME_FEATURE_COLLECTION_URL);
FeatureSource<SimpleFeatureType, SimpleFeature> featureSource =
FeatureUtils.getFeatureSource(url);
fc = featureSource.getFeatures();
} catch (IOException e) {
throw new IllegalArgumentException(e);
}
}
final CoordinateReferenceSystem featureCrs =
(CoordinateReferenceSystem)
configuration.getValue(FeatureLayerType.PROPERTY_NAME_FEATURE_COLLECTION_CRS);
final Geometry clipGeometry =
(Geometry)
configuration.getValue(FeatureLayerType.PROPERTY_NAME_FEATURE_COLLECTION_CLIP_GEOMETRY);
fc =
FeatureUtils.clipCollection(
fc,
featureCrs,
clipGeometry,
DefaultGeographicCRS.WGS84,
null,
targetCrs,
ProgressMonitor.NULL);
return new FeatureLayer(this, fc, configuration);
}
@Override
public void actionPerformed(CommandEvent event) {
JTextArea textArea = new JTextArea(16, 32);
textArea.setEditable(true);
JPanel contentPanel = new JPanel(new BorderLayout(4, 4));
contentPanel.add(new JLabel("Geometry Well-Known-Text (WKT):"), BorderLayout.NORTH);
contentPanel.add(new JScrollPane(textArea), BorderLayout.CENTER);
VisatApp visatApp = VisatApp.getApp();
ModalDialog modalDialog =
new ModalDialog(visatApp.getApplicationWindow(), DLG_TITLE, ModalDialog.ID_OK_CANCEL, null);
modalDialog.setContent(contentPanel);
modalDialog.center();
if (modalDialog.show() == ModalDialog.ID_OK) {
String wellKnownText = textArea.getText();
if (wellKnownText == null || wellKnownText.isEmpty()) {
return;
}
ProductSceneView sceneView = visatApp.getSelectedProductSceneView();
VectorDataLayer vectorDataLayer =
InsertFigureInteractorInterceptor.getActiveVectorDataLayer(sceneView);
if (vectorDataLayer == null) {
return;
}
SimpleFeatureType wktFeatureType =
PlainFeatureFactory.createDefaultFeatureType(DefaultGeographicCRS.WGS84);
ListFeatureCollection newCollection = new ListFeatureCollection(wktFeatureType);
SimpleFeatureBuilder featureBuilder = new SimpleFeatureBuilder(wktFeatureType);
SimpleFeature wktFeature =
featureBuilder.buildFeature("ID" + Long.toHexString(currentFeatureId++));
Geometry geometry;
try {
geometry = new WKTReader().read(wellKnownText);
} catch (ParseException e) {
visatApp.handleError("Failed to convert WKT into geometry", e);
return;
}
wktFeature.setDefaultGeometry(geometry);
newCollection.add(wktFeature);
FeatureCollection<SimpleFeatureType, SimpleFeature> productFeatures =
FeatureUtils.clipFeatureCollectionToProductBounds(
newCollection, sceneView.getProduct(), null, ProgressMonitor.NULL);
if (productFeatures.isEmpty()) {
visatApp.showErrorDialog(DLG_TITLE, "The geometry is not contained in the product.");
} else {
vectorDataLayer.getVectorDataNode().getFeatureCollection().addAll(productFeatures);
}
}
}
