great job, Frank!

this might be worth considering a canon optimisation stage in the interpreter


(that'd be near the comment-free wastelands of the NCD code ;)

-m


Am 16.06.2013 um 14:16 schrieb Frank Tkalcevic <fr...@franksworkshop.com.au>:

> I've added my script to the Wiki,
> http://wiki.linuxcnc.org/cgi-bin/wiki.pl?LinesToArcs
> 
> 
> 
> It will take a gcode file (only tested with Slic3r output) and convert the
> many short line segments back to arcs.  It can make a huge difference to
> print speed and file size if there are lots of arcs.
> 
> 
> 
> It's slow, but has been reliable over the last couple of months.
> 
> 
> 
> Frank
> 
> 
> 
> 
> 
> From: Frank Tkalcevic [mailto:fr...@franksworkshop.com.au] 
> Sent: Thursday, 28 March 2013 9:18 AM
> To: Enhanced Machine Controller (EMC) (emc-users@lists.sourceforge.net)
> Subject: convert g1s to g2/3s
> 
> 
> 
> Does anyone know of a script that converts G1 line segments into G2/G3
> curves?  In the src tree I found author.py which has an implementation of
> the Douglas-Peucker simplification algorithm, but I can't see where it is
> used.  Is there a script anywhere that uses it?
> 
> 
> 
> I want to use this to simplify the output of the 3d printer software Slic3r.
> It only generates line segments which slows down my router.  Most of my
> shapes have circle shapes, so it would be nice to use G2/G3.
> 
> 
> 
> I've tried a trial version of a program I found on the 'net, but it didn't
> work because there are A axis moves on each line (A = extruder).
> 
> 
> 
> Frank.
> 
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