System.out.println("Exporting previously existing layer: "+name);
exporter.exportLayer(name);
} else {
System.out.println("Creating and exporting new layer: "+name);
layer.addDynamicLayerOnWayTags(name, Constants.GTYPE_LINESTRING, tags);
exporter.exportLayer(name);
}
} catch (Exception e) {
System.err.println("Failed to export dynamic layer " + name + ": " + e);
e.printStackTrace(System.err);
}