hi to all! As I was wondering if there would be a way to convert Auriga files into Therion .th data files without losing the radiant (splay) shots etc, I contacted Luc Leblanc, author of Auriga. We tried out some conversion into .csv file, but a real export to Therion format could be a possible option Some questions remain, though, before the converter can be programmed, so I'm forwarding some questions we would like to see answered, as the Therion book is not clear about it: - If the "data" command contains "backcompass" and/or "backclino" and the user did not actually take a backsight for some shots, can I put 0.00 or do I have to fake backsights to prevent bad averaging? Or is there a way to tell Therion to ignore this missing data (other than repeating a "data" command), like putting a ? or some special character? - Can I interleave station flags between survey shots, like: 3.1 3.2 10.00 359.99 -10.00 station 3.1 "" entrance 3.2 3.3 11.00 1.00 -12.00 - For splay shots (between a station and some detail, where one station is . or -), do I have to put LRUD data? It's always going to be 0.00. - If I want to pass topofil data, can I pass both start and end readings? How? The Therion book only mentions "topofil". - How do I tell Therion that slope 0 is up or down? Such 0-180 clinometers are used on topofils. - How do I pass dive data? I just put the depth instead of the slope and I set "meters" for the "depth" instrument? - The Therion book would gain much clarity by providing examples for each command. Thanks for any help ! Erik Van den Broeck Nature-Témoin, Labastide-de-Virac, Ardèche, France