Good day everyone, I am in the process of remapping a large cave in which there are various archaeological / paleontological excavation areas. In one chamber of the cave an excavation grid has been setup. The excavation grid's north is 23 degrees east of true north. Magnetic north is 18 degrees west of true north. So if I put "grid bottom" into my layout I get a grid on my pdf output which is oriented to magnetic north. Is there a way to orientate this grid to 23 degrees east of true north? Thanks, Steven
In this very simple th2 file are only four symbols: line rope and three lines wall one of them with -outline none. After exporting the map from this th2 file (source rope.th2, export map) walls are generated. rope no. What is more strange, if I tried to export map only with line rope -clip off the compilation finished with error 256. It looks as a bug isn’t it. m.s. encoding utf-8 ##XTHERION## xth_me_area_adjust -132.0 -177.0 384.0 407.0 ##XTHERION## xth_me_area_zoom_to 100 scrap scrap1 -scale [0 0 256 256 0.0 0.0 10 10 m] line wall 15.0 160.0 33.0 78.0 51.0 36.0 110.0 -10.0 169.0 -56.0 214.0 -43.0 214.0 -43.0 smooth off endline line wall 248.0 71.0 239.0 136.0 277.0 118.0 221.0 185.0 165.0 252.0 93.0 273.0 58.0 274.0 endline line wall -outline none 55.0 142.0 173.0 -8.0 endline line rope -visibility on 55.0 203.0 135.0 116.0 202.0 44.0 endline endscrap xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx encoding utf-8 ##XTHERION## xth_me_area_adjust -132.0 -177.0 384.0 407.0 ##XTHERION## xth_me_area_zoom_to 100 scrap scrap1 -scale [0 0 256 256 0.0 0.0 10 10 m] line rope -clip off 55.0 203.0 135.0 116.0 202.0 44.0 endline endscrap xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx encoding utf-8 source ./rope.th2 export map -o rope.pdf -layout-color map-bg 90
I've not used it myself but there is an option grid-angle <value> <units> ▷ specifies the magnetic grid angle (declination against grid north). page 19 of the thbook for details Andrew On 25/09/17 06:12, Steven Tucker via Therion wrote:
Good day everyone,
I am in the process of remapping a large cave in which there are various archaeological / paleontological excavation areas.
In one chamber of the cave an excavation grid has been setup. The excavation grid's north is 23 degrees east of true north. Magnetic north is 18 degrees west of true north.
So if I put "grid bottom" into my layout I get a grid on my pdf output which is oriented to magnetic north.
Is there a way to orientate this grid to 23 degrees east of true north?
Thanks,
Steven
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Try to modify the MetaPost code for sump? m.s. On Sep 27, 2017, at 11:44 AM, Andrew Atkinson via Therion <therion@speleo.sk> wrote: I've not used it myself but there is an option grid-angle <value> <units> ▷ specifies the magnetic grid angle (declination against grid north). page 19 of the thbook for details Andrew On 25/09/17 06:12, Steven Tucker via Therion wrote: Good day everyone, I am in the process of remapping a large cave in which there are various archaeological / paleontological excavation areas. In one chamber of the cave an excavation grid has been setup. The excavation grid's north is 23 degrees east of true north. Magnetic north is 18 degrees west of true north. So if I put "grid bottom" into my layout I get a grid on my pdf output which is oriented to magnetic north. Is there a way to orientate this grid to 23 degrees east of true north? Thanks, Steven _______________________________________________ Therion mailing list Therion@speleo.sk https://mailman.speleo.sk/listinfo/therion _______________________________________________ Therion mailing list Therion@speleo.sk https://mailman.speleo.sk/listinfo/therion
I have no time to explore it right now, but there is flag arch of point station. What about to create dummy data nosurvey stations with flag arch and define excavation grid by that? m.s. On Sep 27, 2017, at 11:44 AM, Andrew Atkinson via Therion <therion@speleo.sk> wrote: I've not used it myself but there is an option grid-angle <value> <units> ▷ specifies the magnetic grid angle (declination against grid north). page 19 of the thbook for details Andrew On 25/09/17 06:12, Steven Tucker via Therion wrote: Good day everyone, I am in the process of remapping a large cave in which there are various archaeological / paleontological excavation areas. In one chamber of the cave an excavation grid has been setup. The excavation grid's north is 23 degrees east of true north. Magnetic north is 18 degrees west of true north. So if I put "grid bottom" into my layout I get a grid on my pdf output which is oriented to magnetic north. Is there a way to orientate this grid to 23 degrees east of true north? Thanks, Steven _______________________________________________ Therion mailing list Therion@speleo.sk https://mailman.speleo.sk/listinfo/therion _______________________________________________ Therion mailing list Therion@speleo.sk https://mailman.speleo.sk/listinfo/therion
participants (3)
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Andrew Atkinson -
Martin Sluka -
Steven Tucker