[Therion] Extended elevation of a vertical cave

[jackson at fund-ev.de]

Hello Francois, 

> 1) Drawings ropes: Is there a mean to draw ropes (a kind of rope line)? I've
> just found rope points but not lines. Some emails on the list have
> mentionned this issue but without a clear answer for me.

we use a user defined rope line. Here is the metapost code snippet:

# FUND line rope u:rope -------------------------------#
def l_u_rope (expr P) =
  T:=identity;
  pickup pensquare scaled (1.0*u/10);
  thdraw P withcolor (0.35,0.75,1.0);
    pickup PenC;
  thdraw P dashed dashpattern(on 1bp off 2bp on 1bp off 2bp);
enddef;


It is a dashed white/blue line and looks like a static rope.


Best regards
Christian

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