[Therion] ceiling-meander

Martin Sluka martinsluka at mac.com
Mon Jun 13 12:32:30 CEST 2011


On 13.6.2011, at 11:31, Footleg wrote:

> That is news to me that the UIS have published these symbols with  
> this error in for years? I always took the published UIS symbols to  
> be the definitive reference, and inferred from them that the ticks  
> indicated the direction that the floor was lower (for floor height  
> changes) and the tick indicated the direction that the ceiling was  
> lower (for roof height changes). So have I drawn all my aven lines  
> wrong for the past 5 years?
>
> Footleg

This is more drawing maps philosophy problem. It is absolutely up to  
you and your caving group which symbol set you will use. In therion  
symbol sets you may find both (I hope).

Martin

>
> On 13 June 2011 09:19, Martin Sluka <martinsluka at mac.com> wrote:
>
> On 13.6.2011, at 8:40, marco corvi wrote:
>
> i'm kind of confused:
>
> looking at the UIS official symbols ...
> ceiling meander is shown with ticks outside,
> therion ceiling-meander draws with ticks pointing inside.
>
> It is "error" in UIS symbols. Tick means "free air" - as step or  
> pit. You should not use ticks one time for "rock", second time for  
> "air".
>
>
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