public Value<Image> backgroundValue(Value<MapInstance> mapInstance, Value<DigitalElevationModel> elevationModel, Value<HillShading> shading, Value<MapScheme<MColor>> colors) {
return new ComputeBackgroundTask(mapInstance, elevationModel, shading, colors);
}
public Value<Collection<String>> elementsValue() {
return new ComputeElementsTask(projectsValue(), extensionsValue());
}