Hi all. I have got my own view that lists features currently displayed
on the map for a particular layer. I have got it so that when I select a
feature in the list a Filter is set on the layer with the id of the
selected feature. When that happens it displays a little orange
square/circle on the feature.
Here is the code:
public void highlightEventOnMap(String id) {
IMap map = ApplicationGIS.getActiveMap();
LayerImpl eventLayer = (LayerImpl) getLayerByName(LAYER_ROADEVENT, map);
FilterFactory filterFactory = new FilterFactoryImpl();
CompareFilter filter = null;
try {
FeatureSource featureSource = (FeatureSource) eventLayer.getResource(
FeatureSource.class, null);
filter =
filterFactory.createCompareFilter(CompareFilter.COMPARE_EQUALS);
FeatureType featureType = featureSource.getFeatures().getSchema();
filter.addLeftValue(filterFactory.createAttributeExpression(featureType,
"roadeventid"));
filter.addRightValue(filterFactory.createLiteralExpression(id));
eventLayer.setFilter(filter);
} catch (Exception e) {
e.printStackTrace();
}
}
By calling ILayer.setFilter(filter) there is a small orange mark put on
the map on top of the feature graphic. Note that this happens by default
and I just discovered it by accident one day.
What I want to know is how do I change the style of that mark? Is there
a way of modifying it? I believe that there is a selection layer or
something that is probably doing this. Do I need to retrieve that layer
and apply a style to it or something similar? And if so, how do I get
hold of that layer?
Thanks in advance,
Mark
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