Help with Compass dat files read (and processed) by Survex

[Josep Guarro]

Hi all, I need some help regarding Compass dat files read (and processed) by Survex

I have some cave survey data originally processed by Ariane software, surveyed in metric units,, that I exported from Ariane to Compass MAK and Compass DAT files, the issue is that when those files are read and processed by Survex the length data in the Compass files is read in feet not in meters, for instance, original survey in Ariane has a total legnth of 1079m, but after exporting from Ariane to Compass MAK and DAT files and read by Aven, the total length in Aven is 329m so I guess that aven is reading the length in MAK and DAT files as feet not meters (1079 ft equal to 329 m decimals omited)

I see on the DAT file that the shot lengths values from station to station are the same ones that in Ariane, for instance shot form station 0 to 1 in Ariane (metric) is 15.86m, then on the compass exported DAT file I see also that from station 0 to 1 the length is 15.86 but I do not know why survex is assuming those lenghts are in feet?

I'm not used to Compass, is there any way to write down in the compass DAT file that the lenghts are in meters rather than feet?

Any help would be appreciated

Josep Guarro

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Josep Guarro

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