@Override
public Layer createLayer(LayerContext ctx, PropertySet configuration) {
Assert.notNull(ctx, "ctx");
final ProductLayerContext plc = (ProductLayerContext) ctx;
final String vectorDataName = (String) configuration.getValue(PROPERTY_NAME_VECTOR_DATA);
final VectorDataNode vectorDataNode = plc.getProduct().getVectorDataGroup().get(vectorDataName);
return createLayer(vectorDataNode, configuration);
}
@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);
}
private synchronized void updateChildren() {
// Collect all current mask layers
LayerFilter layerFilter =
layer -> {
PropertySet conf = layer.getConfiguration();
return conf.isPropertyDefined(MaskLayerType.PROPERTY_NAME_MASK)
&& conf.getValue(MaskLayerType.PROPERTY_NAME_MASK) != null;
};
List<Layer> maskLayers =
LayerUtils.getChildLayers(
LayerUtils.getRootLayer(this), LayerUtils.SEARCH_DEEP, layerFilter);
HashMap<Mask, Layer> currentLayers = new HashMap<>();
for (Layer maskLayer : maskLayers) {
Mask mask = maskLayer.getConfiguration().getValue(MaskLayerType.PROPERTY_NAME_MASK);
currentLayers.put(mask, maskLayer);
}
// Allign mask layers with available masks
if (raster != null && getProduct() != null) {
Mask[] availableMasks = getProduct().getMaskGroup().toArray(new Mask[0]);
HashSet<Layer> unusedLayers = new HashSet<>(maskLayers);
for (Mask availableMask : availableMasks) {
// todo add all mask layers as soon as the masks have been scaled to fit the raster
if (raster.getRasterSize().equals(availableMask.getRasterSize())) {
Layer layer = currentLayers.get(availableMask);
if (layer != null) {
unusedLayers.remove(layer);
} else {
layer = createLayer(availableMask);
getChildren().add(layer);
}
layer.setVisible(raster.getOverlayMaskGroup().contains(availableMask));
}
}
// Remove unused layers
for (Layer layer : unusedLayers) {
layer.dispose();
Layer layerParent = layer.getParent();
if (layerParent != null) {
layerParent.getChildren().remove(layer);
}
}
}
}
