I'm incapable of anything too technical so have used the "line arrow" function to show a route. Robin ----- Original Message ----- From: "Bruce" <bruce@tomo.co.nz> To: "'List for Therion users'" <therion@speleo.sk> Sent: Wednesday, May 27, 2015 9:43 AM Subject: [Therion] How to mark a preferred way through a cave
Michael If I understand correctly Dave's suggestion of user defined lines will only work if you draw scraps, and I don't think that is what you are asking for (although drawing simple scraps with only station points and route lines to overlay your bitmaps might be your best solution).
I hesitate to suggest this, but if you don't mind using a nasty hack, you could, for example set... flags approx ...on the route, and then redefine l_survey_cave to emphasise the approx centreline and make recessive other line flags. An example of the sort of code you could use is here
http://therion.speleo.sk/wiki/doku.php/metapost?s[]=approx#general_symbol_ex amples "Visualize cave centreline shot flags with colour for splay and duplicate, and dash for approximate shot flags"
This will only work with pdf and probably svg outputs, and will have no effect on 3d outputs.
Bruce
-----Original Message----- From: therion-bounces@speleo.sk [mailto:therion-bounces@speleo.sk] On Behalf Of Michael Wasmund Sent: Monday, 25 May 2015 3:31 p.m.
Hello,
If I want to mark a preferred way through a maze cave, is there a way to "mark" or "flag" some centerlines, so that they appear different from the majority in 2D / 3D output? (Can't work with scraps, it's all bitmaps)
Michael.
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