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Ticket Resolution Summary Owner Reporter
#61 fixed Units option on *calibrate Olly Betts Andrew

Currently the calibrate adjusts for the offset then multiplies by the scale factor, which works for a stretched tape with the end missing *calibrate tape 0.05 0.752

But of things like mounting a DistoX in a waterproof case the offset will be measured with another device so will not want scaling

Suggestion is to allow the addition of units to the offset if the scale factor should not be applied, this should allow the original format to continue to work while adding functionality.

if not units

real = ( reading - offset) * scale

If units eg *calibrate tape -0.05m 0.752

real = reading * scale - offset
#75 fixed Problem processing .svx files with aven Olly Betts Alan Gray


I have been successfully using Survex for many years – a fantastic piece of software.

After completing a partial re-survey of Upper Canada Cave (Mendip, UK) yesterday I created the text file as usual and renamed it with the .svx extension. I decided to see if there was an update of the Survex software and I updated from release 1.2.23 to 1.2.24. Right clicked in the Upper Canada Cave.svx file and the Aven screen was displayed with normal headings but with a white screen where the line survey should be. No Log File, 3D file or Error files were created.

I tried viewing one of my old 3D files in Aven (UCC.3D) and it worked perfectly; however when I tried to Process the old data file (UCC.svx) the same error occurred as detailed in the paragraph above.

I then removed Survex 1.2.24 from my computer and reinstalled 1.2.23 but the same error occurred as detailed in the paragraph above.

Please could you let me know how to fix this as I would dearly like to see the results of yesterdays survey. Something stupid that I have, or have not done I’m sure.

Many thanks

Alan Gray

#25 fixed Installation problems using Win7 Olly Betts Becka Lawson

My operating system is Win7 which doesn't seem to agree with Survex. When I just install Survex it won't work at all. Julian fiddled around to specify paths and eventually got .svx files to process by double-clicking on them but this doesn't produce a .log file so I don't know the vital statistics for a successfully processed file and, much worse, if there's an error it doesn't give me any hints about what it is.

I can run Survex using Command Prompts but I have to specify the full path to find the programme (so "ProgamFiles?\Survex\cavern.exe" witchesII.svx for example and again this doesn't save a log file.

On the CUCC expo this summer the Expo machine running Linux was also not producing log files so perhaps this is a more general problem?

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