[Therion] changed definition of drawing of centreline

[Martin Sluka]

It was very old definition copied from former version of samples. I tried to use it again and it didn’t work. This code is from UIS definition of centerline. 

It could be more simple symbol-assign the UIS centerline and change the color in layout.  

Martin Sluka

Odesláno z iPhonu

5. 1. 2019 v 0:03, Bruce Mutton via Therion <therion at speleo.sk>:

> Hi
> Interested in the change to the line survey (centreline) examples in the wiki that Martin just made (I’m up for a modest amount of metapost learning).
>  
> I can follow what the new more complicated metapost is doing, and can understand that it might be better practice to do it that way.
> But is there no place for the more direct and simpler ‘draw p’ approach?  Or did it not work? (I have not tested them).
>  
> Perhaps both versions could be listed on the wiki, with some comment about pros and cons or why one approach is better than the other?
>  
> Bruce
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