areaLvl.addProperty(areaGeomProp);
Hierarchy spaceHier = new MondrianHierarchy("spaceHier",spaceDimension);
spaceHier.addLevel(environmentLvl);
spaceHier.addLevel(regionLvl);
spaceHier.addLevel(areaLvl);
Dimension spaceDim = new MondrianDimension("Space",spaceHier);
//define episode presence measure