Write trees attributes too

enrich-citygml-with-greenarea/src/main/java/de/hft/stuttgart/citygml/green/osm/TreeUtils.java

@@ -11,6 +11,7 @@ import org.locationtech.jts.geom.Coordinate;
 import org.xmlobjects.gml.model.basictypes.Code;
 import org.xmlobjects.gml.model.geometry.aggregates.MultiSurface;
 import org.xmlobjects.gml.model.geometry.aggregates.MultiSurfaceProperty;
+import org.xmlobjects.gml.model.measures.Length;
 
 
 public class TreeUtils
@@ -79,6 +80,8 @@ public class TreeUtils
 					crownRadius, crownHeight);
 			SolitaryVegetationObject cover = new SolitaryVegetationObject();
 			cover.setSpecies(new Code(tree.getType()));
+			cover.setCrownDiameter(new Length(crownRadius * 2));
+			cover.setHeight(new Length(trunkHeight + crownHeight));
 			cover.setId(UUID.randomUUID().toString());
 			cover.setLod2MultiSurface(new MultiSurfaceProperty(generatedTree));
 			cityModel.getCityObjectMembers().add(new AbstractCityObjectProperty(cover));