BDTRE - Area under transformation or unstructured (A_TRAS)

Defines an area in which land-use planning activities are being carried out; generally corresponds to areas in which there are construction sites and for which the specification of structured roofs of the ground is therefore improper.It belongs to the theme "Forms of the ground" of the BDTRE (Territorial Data Base of Reference of the Bodies) which describes the entities that define the morphological trend of the ground and which often have a symbolic dressing function auxiliary to reading and orientation in the cartographic representation.