DescibingElems: configuring over XML
As part of a Signature An example could look like this:
          <DescibingElems>
            <DeformShapeModel ColorName="green" ElemID="1">
              <Class ClassName="PlaceMat" ElemID="2" />
              <filename>placemat_ccrl.dsm</filename>
            </DeformShapeModel>
          </DescibingElems>Possible Descriptor are:
| Name | Description | XML Configuration | 
| SegmentPrototype | Represents an Euclidean Clusters | |
| ShapeModel | CAD model plus meta data | |
| DeformShapeModel | Shape model, planar | |
| TableObjectDescriptor | object_type from the TableObject message | |
| ShapeType | object_geometric_type from the TableObject message | |
| ... | ... | ... | 
