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surfacefeatures [2019/12/08 23:40]
tarquinwj Link to tree metapost
surfacefeatures [2019/12/08 23:46] (current)
tarquinwj Using MetaPost to paint the sky
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 Certain surface features do not have any nice way to represent them, however, such as a tree that is used as a natural belay for a pitch. These can be [[metapost#​trees|created as a symbol using MetaPost]]. Consider creating your own symbols using MetaPost (and share them with the rest of us, please). Or if it is large enough, draw it manually using borders, and try making it look nice. Good luck, and happy sketching. Certain surface features do not have any nice way to represent them, however, such as a tree that is used as a natural belay for a pitch. These can be [[metapost#​trees|created as a symbol using MetaPost]]. Consider creating your own symbols using MetaPost (and share them with the rest of us, please). Or if it is large enough, draw it manually using borders, and try making it look nice. Good luck, and happy sketching.
  
-Note that it is not easily possible to ask Therion to shade the ground in one colour and the sky in another (when drawing elevations through a mountain, for example). To do that, you would have to draw the surface as a "​cave"​ wall, and draw an opposing "​wall"​ below the altitude of the actual walls of the cave, and use "​break"​ to place it behind all of the actual caves. Then style that scrap with the colour of your choice. It is messy though - if you have any other solutions to this problem, please share them here.+Note that it is not easily possible to ask Therion to shade the ground in one colour and the sky in another (when drawing elevations through a mountain, for example). To do that, you would have to draw the surface as a "​cave"​ wall, and draw an opposing "​wall"​ below the altitude of the actual walls of the cave, and use "​break"​ to place it behind all of the actual caves. Then style that scrap with the colour of your choice. It is messy though. An alternative approach is to outline the surface and sky using a border, then fill it with a "​u"​ area, where you have defined a subtype to fill in the sky with a blue colour using MetaPost. Set the border to "-visibility off". If you have any other solutions to this problem, please share them here.
  • surfacefeatures.txt
  • Last modified: 6 weeks ago
  • by tarquinwj