[Therion] Doubt about vertical sections

[Marco Menchise]

Hello,
I tried to make a .xvi for elevation and extended section starting from
this dataset:

survey test
  centerline
    units compass degrees
    units clino degrees
    units tape metres
    data normal from to length compass clino     left        right    up
   down
    0 1 10   45  -67        [1 2]         [3 4]          [5 6]          [7
8]
  endcenterline
endsurvey

everything looks good, the up and down data are plotted in the right way.

Then I changed the clino to -68 degrees and noticed that vertical sections
were rotated in the elevation and extended xvi. Is that correct? Am I
missing something?

Here's the thconfig:

encoding  utf-8
source dati.th

export map -proj plan      -o pianta.xvi
export map -proj extended  -o sezione.xvi
export map -proj elevation -o elevazione.xvi


Thanks,
Marco
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