Apparently, it depends on the way the entrance is defined:

when it is defined with "survey NaduelRD4 -title "Naduel RD4"  -entrance RD4", then the coordinates are given, but not the altitude.

If I do not define it in the survey options but with the station command (using the comment as you specified), eg:
survey NaduelRD1 -title "Naduel RD1"
  input NaduelRD1_1995.th
  equate RD1 RD1@NaduelRD1_1995
  centerline
    station RD1 "Naduel RD1" entrance
  endcenterline
...
Then, the length and depth is provided for the survey, and the altitude is given (see html tabel below).

Title Length Depth Explored X Y Altitude
Naduel RD1 52 6        
Naduel RD1       328.1 059.1 224.7
Naduel RD3 4 0        
Naduel RD3       313.0 055.5 224.3
Naduel RD4 34 2   301.9 044.1  


Xavier


Stacho Mudrak a écrit : 
And the following gives entrance co-ordinates but no altitudes;

export cave-list -output ./Outputs/GLMESM_SystemCaves.html \
  -location on

Why no altitudes?
    

Are your altitudes completely missing or you are just missing
altitudes at survey levels?

If one cave has multiple entrances and location is on, altitude should
be displayed at each entrance. Is it not like that?

Regards, S.
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