aFeature = aDoc.addFeature("Point")\r
# Since validators are introduced we have to initialize all\r
# the feature's attributes\r
+aFeature.string("creation_method").setValue("by_xyz")\r
aFeature.real("x").setValue(1.)\r
aFeature.real("y").setValue(-1.)\r
aFeature.real("z").setValue(0.)\r