[NTG-context] flowcharts: self-reference

[Henning Hraban Ramm]

I'm (mis)using ConTeXt flowcharts for drawing support maps "which 
device stands where".

I don't know how to draw further elements (walls etc.), but that's not 
that important at the moment.

To show the "user side" of a device I'd like to draw an arrow to it.
It works with a self-connection on left, top or right,
but not at the bottom of a box.
        \startFLOWcell
                \name           {cRIP}
                \location       {1,1}
                \text           {my RIP}
                \connection[rr] {cRIP} % works
        \stopFLOWcell
        \startFLOWcell
                \name           {pCtP}
                \shape          {15}
                \location       {1,2}
                \text           {my CtP}
%               \connection[bb] {pCtP}
% [bb] to self doesn't work, but [tt], [ll] or [rr] does
        \stopFLOWcell
With [bb] I get the following MP error:
This is MetaPost, Version 0.641 (Web2C 7.3.7x)
(c_av-mpgraph.mp
>> 0
! Improper transformation argument.
<to be read again>
                   ;
connect_bottom_bottom->...points[4]shifted(dsp_x);
                                                  
if.dsp_y<0:xypoints[2]:=xy...
l.291 connect_bottom_bottom(2,1,0) (2,1,0)
                                           ;

Hans?



Grüßlis vom Hraban!
--
http://www.fiee.net/texnique/
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