A frequent weakness in GIS specialty programs is their limitation in constructing data with the ease offered by CAD-oriented tools. Little by little the gap is narrowing, although it is questionable whether it has been the GIS that has improved its construction capabilities or the CAD that has implemented geospatial variants such as Bentley Map and AutoCAD Map.
gvSIG 1.9 has made almost literal copies of the most used AutoCAD tools, even in the order that the text line is executed in at least 21 commands. The Marked in red Are news of the Stable 1.9 version, They have not included those that this version maintains in the edition bar, that seem to be of selection.
It can be considered a significant contribution of gvSIG to have integrated this series of tools, with the AutoCAD work logic. In practice, I have seen technicians build with this tool, although many of them for massive cadastral surveys prefer to work with a CAD tool, create a polygon and then bring them to gvSIG; most of them tell me that it is because on Java the work is always slow.
On the other hand, for cadastral maintenance, once topologies have been uploaded to PostGis, it makes no sense to extract the data and edit it in a CAD tool; and then these tools become useful. Although for large amounts of data, it always affects the consumption of Java resources.