faq

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faq [2019/11/04 02:39]
brucemutton minor reorder page
faq [2019/11/04 07:16]
brucemutton [How do I find miss-drawn holes in scraps?] clarify does not check -reverse
Line 667: Line 667:
 Each scrap defines a piece of cave passage, which (almost) always is defined by walls, being the boundary between a rock mass and the open space of the passage. ​ There will be open ends of scraps, with no walls, where the open space (passage) continues beyond the scrap. Each scrap defines a piece of cave passage, which (almost) always is defined by walls, being the boundary between a rock mass and the open space of the passage. ​ There will be open ends of scraps, with no walls, where the open space (passage) continues beyond the scrap.
  
-If these openings are very wide, then you may have to close the opening with a wall line with ''​-visibility off''​ or ''​-subtype invisible''​. +If these openings are very wide, then you may have to close the opening with a wall line with ''​-visibility off''​ or ''​-subtype invisible''​.\\ 
-If you want to draw a wall '​inside'​ a scrap, you must disable its passage defining properties, by setting ''​-outline none''​.+If you want to draw a wall '​inside'​ a scrap, you must disable its passage defining properties, by setting ''​-outline none''​.\\ 
 +If you have an oxbow, or large pillar, then you need to set ''​-outline in''​.\\
  
-If you follow these rules, Therion can correctly determine what is '​cave'​ and what is '​rock'​. ​ Sometimes it is a bit tricky, especially if adjacent scraps are '​joined'​ and as drawn they overlap or have significant gaps (you should never do this intentionally).+If you follow these rules, Therion can correctly determine what is '​cave'​ and what is '​rock'​, at least for pdf outputs.  Sometimes it is a bit tricky, especially if adjacent scraps are '​joined'​ and as drawn they overlap or have significant gaps (you should never do this intentionally)
 + 
 +And beyond this, if you want your kml __maps__ and 3d outputs to be generated correctly, you will also need to get the wall line orientations correct. ​ The yellow tick mark on the left of the line as you draw it must point towards the passage side of the line.  More on this on the [[drawingchecklist#​wall|drawing checklist]] page.  You can adjust it with ''​-reverse on|off''​.
  
 If you get it wrong, you can get significant distortion and incorrect colouring in your 2d and 3d outputs. ​ If you get it wrong, you can get significant distortion and incorrect colouring in your 2d and 3d outputs. ​
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   ## Martin Sluka Nov2019   ## Martin Sluka Nov2019
   ## Hides most objects and emphasises passage interiors and walls   ## Hides most objects and emphasises passage interiors and walls
 +  ## Does not check for correct line orientation (-reverse on|off). You need to export a map to kml to check line wall orientations
     symbol-hide group all     symbol-hide group all
     symbol-show line wall     symbol-show line wall
  • faq.txt
  • Last modified: 7 months ago
  • by tarquinwj