Forwarding some queries as I only know the answer to 1 out of 4 :-) On 2020-03-29 02:25 +0100, Stuart Bennett wrote:

On 15/03/2020 17:30, Wookey wrote:

...

It uses survex to do all the sums if survex is installed (and both use proj for the co-ordinate systems) so you should get exactly the same answers. Without survex it does a rather simple-minded job on its own.

Ok, so suddenly having a lot more time at home I've made reasonable progress, but have a few new questions. Various bits attached, should they be relevant to the below.

I don't know the answers to most of these, so forwarding to the therion list.

1) I'd quite like it to say P33 next to the pitch, rather than just `33', but using a `height' point type doesn't let me set a `value' including a letter. Is there a way to use what seems like the semantically correct type, or should I just use a label?

2) Having gone down the `import a .3d' route, I don't seem to get any dates in the output, despite the 3d file knowing them, which is a shame. Inserting a bogus centreline just to specify a date fails, as there's no measurements. Is there a neat way around this?

I think this is a feature, but it may be fixable.

3) The boulders are enormous. The ones you get with a `breakdown'-type point are much more suitable, but that defeats the point of having an area fill. Is there a way to scale the area fill symbols?

You want Andrew's 'fancy boulders' function. 'Customisable Area blocks' on https://therion.speleo.sk/wiki/metapost

4) More generally, working with a survey drawn up in pencil over a Survex printout is ok, but if I'd drawn up digitally first, would the LRUD data have somehow been used/displayed automatically? Does using a .3d import vs transcribing to Therion native format affect this?

Thanks, Stuart

encoding utf-8 import daves_hole.3d -surveys use survey dh -title "Dave's Höhle" input daves_hole.th2 # date 2017.09.17 # team SB insts # team OGHM/KIH notes,dog endsurvey

encoding utf-8 ##XTHERION## xth_me_area_adjust -132.0 -1368 1883 141.0 ##XTHERION## xth_me_area_zoom_to 50 ##XTHERION## xth_me_image_insert {0 1 1.0} {0 {}} daves_hole_scan.png 0 {}

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encoding utf-8 source daves_hole.th export map -projection plan -layout local -o daves_hole.pdf

layout local legend on symbol-hide group cave-centreline colour map-fg [90] endlayout

*begin dh *title "Dave's H?hle"

*date 2017.09.17 *team SB dx *team OGHM/KIH notes *instrument dx "Wookey DistoX1"

; BCRA Grade 5 specification file ; tape error ; 95.44% of readings are within 0.1m (2 S.D.) *sd length backlength 0.05 metres ; compass error ; 95.44% of readings are within 1 degree (2 S.D.) *sd bearing backbearing 0.5 degrees ; clino error ; 95.44% of readings are within 1 degree (2 S.D.) *sd gradient backgradient 0.5 degrees ; station position error ; 95.44% of positions are within 0.1m (2 S.D.) *sd position 0.05 metres

*data normal from to compass clino tape

;from to compass clino tape ; remarks 2 1 126.5 34.7 8.46 2 3 287.7 -3.2 8.59 4 3 262.4 -1.3 9.21 4 5 49.0 -21.4 2.53 6 3 323.9 0.6 11.17 7 3 158.1 12.6 9.27 7 8 194.0 16.4 20.60 7 .. 167.8 1.7 21.37 ; to far wall 7 .. 183.8 5.7 16.82 ; to wall by rubble slope 9 3 114.6 4.5 24.41 10 9 151.4 5.2 5.94 11 9 350.9 -13.7 16.80 11 12 254.7 9.3 4.74 11 .. 64.9 -1.7 19.54 ; to chamber wall 13 3 81.6 5.8 7.64 13 . 172.6 88.1 13.52 ; into roof aven 14 9 345.3 -17.1 19.46 14 15 159.6 44.2 5.65 15 16 52.6 2.2 4.54 16 . 298.2 -49.3 5.40 ; to Ade's bottom hole 17 16 - down 18.3 ; was 19.74 to floor, less 16's D 17 .. 231.9 46.4 5.83 ; leaf on far wall (was station 18) 19 17 153.0 -77.6 8.52 20 19 348.5 -37.5 7.46 *entrance 20 *begin *flags surface 20 21 184.6 -10.6 11.41 21 22 134.6 -2.4 11.16 *end *fix 22 0 0 0

;station details ;name L R U D description ;LRUDs taken relative to first leg using the station ;vertical LRUDs use U and D for forwards and backwards ;1 1.0 0.5 1.5 0.5 alcove up boulder slope ;2 4.6 9.0 0.7 0.2 rock near small animal bones ;3 10.5 6.5 0.0 2.8 flake in roof ;4 8.5 0.6 0.6 0.2 entrance to descending rift ;5 0.0 0.6 0.7 4.0 wall above rift ;6 5.7 3.8 1.6 1.2 rock point above hole in floor ;7 0.0 1.0 0.6 1.5 right wall of entrance to alcove ;8 1.3 2.4 13.2 0.7 above entrance to small chamber ;9 1.9 4.1 2.0 0.5 truncated stal, near wall ;10 1.0 0.4 1.2 0.4 rear of cauliflower chamber ;11 2.0 1.3 0.3 1.5 entrance to stal chamber ;12 1.3 1.4 2.9 0.5 broken-off stal (vertical on floor) ;13 7.7 4.8 7.5 0.4 rock near pitch-fork ;14 1.2 1.4 0.2 0.5 lowest point of entrance arch ;15 1.1 0.1 5.4 1.5 cross scratched on right wall (as exiting) ;16 1.7 2.1 999 1.4 wall of pitch ;17 3.2 2.4 3.9 0.0 rebelay bolt (lower) ;18 3.5 2.8 0.0 3.9 leaf on wall (misplaced) ;19 3.3 2.9 4.0 0.0 mossy knob ;20 boulder on south rim of pitch (surface) ;21 boulder on surface ;22 top-corner of third quoin of barn wall

*data passage station left right up down ignoreall 1 0.5 1.0 1.5 0.5 alcove up boulder slope 2 9.0 4.6 0.7 0.2 rock near small animal bones 3 10.5 6.5 0.0 2.8 flake in roof 13 7.7 4.8 7.5 0.4 rock near pitch-fork 9 4.1 1.9 2.0 0.5 truncated stal, near wall 14 1.4 1.2 0.2 0.5 lowest point of entrance arch 15 1.1 0.1 5.4 1.5 cross scratched on right wall (as exiting) 16 1.7 2.1 31 1.4 wall of pitch 17 3.2 2.4 13 19.7 rebelay bolt (lower) 19 2.9 3.3 5 1 mossy knob 20 1 2 0 1 boulder on south rim of pitch (surface) *data passage station left right up down ignoreall 5 0.6 0.0 0.7 4.0 wall above rift 4 2 0.6 0.6 0.2 entrance to descending rift 3 12 7 0.0 2.8 flake in roof *data passage station left right up down ignoreall 6 5.7 3.8 1.6 1.2 rock point above hole in floor 3 15 6 0.0 2.8 flake in roof *data passage station left right up down ignoreall 8 2.4 1.3 13.2 0.7 above entrance to small chamber 7 0.0 1.0 0.6 1.5 right wall of entrance to alcove 3 7 20 0.0 2.8 flake in roof *data passage station left right up down ignoreall 10 1.0 0.4 1.2 0.4 rear of cauliflower chamber 9 2 2 2.0 0.5 truncated stal, near wall *data passage station left right up down ignoreall 12 1.4 1.3 2.9 0.5 broken-off stal (vertical on floor) 11 2.0 1.3 0.3 1.5 entrance to stal chamber 9 2 2 2.0 0.5 truncated stal, near wall *data passage station left right up down ignoreall 13 7.7 4.8 7.5 0.4 rock near pitch-fork 11 2 15 0.3 1.5 entrance to stal chamber *data passage station left right up down ignoreall 16 0 2 0 2 wall of pitch 11 1.3 2.0 0.3 1.5 entrance to stal chamber

*end dh

Wookey -- Principal hats: Linaro, Debian, Wookware, ARM http://wookware.org/