I got some .dxf file containing buildings I need for my map. The file loads nicely into QGIS and I converted sucessfully to shape. I still can find the Information I need (the buildings height) in the element identify box. However, it is organized as some kind of second level attribute and I'm running out of ideas how to access the information (screenshot below).
In this example the only entry in the attribute table is "myid".
How can I access second (or even third) level attributes in a vector layer and add them to the attribute table, so I can work with them?
EDIT: The structure with the sub attributes (a... and (A... already exists in the .dxf.
EDIT2: The Attribute table currently only consists of one single field named "myid".
EDIT3: Hm… The categorys (a… and (A… are shown in the Identify box when querying the .dxf. This is what I wanted to say. But of course, you may be right…
If this is rather the perimiter than a height field, it is useless to me anyway. Bad luck. Do you by any means know of a better way to convert .dxf to .shp creating a height field?