[Xcircuit-dev] RE: XCircuit netlist to pcb problems

[Eric Y. Chang]

Hi Tim.  I used defaults for both runs.  I did remember 1/6 in.
The 2.3.3 did not work, but the 2.5.4 did.  It came up with the
correct netlist (having connectivity).  Note that the 2.5.4 did
not produce a picture in which the diode end points lined up
with each other (now clear from your explanation).  But, the
netlist extraction worked just fine, presumably due to the
tolerance for accepting a connection.

The 2.3.3 drew a picture that was less well aligned.  This 
could have been the root cause, or it could have been a
netlisting bug.

Anyway, I am now using 2.5.4 (which has incidentally had less
crashing problems than 2.3.3 as well).  It works just great for
the netlisting, aside from the asthetically displeasing diode
picture.  Should enforce a 45 degree prohibition :-).  Just
kidding.

Thanks for all the help.

Eric


>Dear Eric,
>
>> There is a hint of trouble since the items from the 2nd library
>> seem to be on a different grid than the main drawing area.
>
>That would be a problem because they're not supposed to be different.
>Do you have a ".xcircuitrc" file or have done something to the
>default startup that would have redefined the grid and snap spacing?
>You should get Grid=1/6in, Snap=1/12in on startup.  The diode from
>the 2nd library should be exactly three grid-spacings long.  Turned
>to 45 degrees, it fits diagonally inside a 2x2 grid-spacing box,
>with the actually difference being within xcircuit's tolerance for
>wire endpoint offsets.
>
>There was, however, a broken version of the PCB netlister posted
>for a while which was only fixed in version 2.5.4, one of the first
>revisions.
>
>If you're definitely seeing something different than what I'm
>describing, then let me know.
>
>					Regards,
>					Tim
>

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