[Therion] Hatching profiles and extended elevations

[Benedikt Hallinger]

it works like a charm here.
Attached screenshot and example data (rabbit cave).

caveats:
- be sure to add "-clip off" option to the area (see screenshot!)
- you can even use the wall as second line, so the it clips perfectly 
there.


Am 2020-04-19 13:46, schrieb Roger Schuster:
> Hi all,
> 
> thank you for your answer. The problem with the direction arrow at
> section lines is solved. I had missed the explanation in the Therion
> book because I always just checked the documentation in foot note 27.
> 
> Last night I had the idea to solve the problem with hatching using an
> area. If I draw one invisible border (with -clip off) around the
> profile and use this as area (type water for example, with -clip off)
> the pattern also fills the inner part of the profile which I don't
> like to have. Next I tried to draw a second invisible border just
> outside of the profile and applied the area to the "gap" between the
> inner and outer border but this results in really weird patterns. I
> guess it's because the inner border behaves like a pillar. Of course I
> played around with different orientations of the borders. It never
> works as expected.
> 
> Best regards,
> 
> Roger
> 
> Am 19.04.2020 um 00:38 schrieb Benedikt Hallinger:
>> Hello,
>> for the hatches:
>> maybe you could do a custom area symbol and use it with "clip off" 
>> option. I don't know if this is supported, but it might work. You 
>> could try it with some other area first...
>> 
>> And the section arrows are easy by a line option (see thbook p. 29):
>> "direction <begin/end/both/none/point> ▷ can be used only with the 
>> section type.
>> It indicates where to put a direction arrow on the section line. None 
>> is default."
>> 
>> 
>> Am 2020-04-18 22:06, schrieb Roger Schuster:
>>> Hello cavers,
>>> 
>>> at least in Germany it is/was usual to add hatching to extended
>>> elevations and profiles (cross sections) like in the following
>>> example:
>>> 
>>> I guess it will be difficult to do this in Therion because the
>>> hatching is outside of the passage and will be clipped but anyway: Is
>>> there a way to achieve this?
>>> 
>>> Is it possible to add an arrow to lines of type section indicating 
>>> the
>>> viewing direction like in this example:
>>> 
>>> Thank you!
>>> 
>>> Best regards,
>>> 
>>> Roger
>>> _______________________________________________
>>> Therion mailing list
>>> Therion at speleo.sk
>>> https://mailman.speleo.sk/listinfo/therion
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