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On 02:50 PM 1/10/2001 -0700, Brooks,Bill said:
>Found an unusual bug.... When generating the CAM files, I usually include
>the BOM generation. I have a PCB without parts on it... it's a printed
>spiral inductor. I ran the CAM files like usual, and the BOM utility would
>not finish.... ran and ran and ran... Had to terminate Protel 99SE from the
>Task Manager. My guess is, the BOM utility doesn't know how to deal with a
>board with zero parts on it.  So it hangs... anyone else seen this?
>
>Bill Brooks

Yep, I agree.  It is a bug of sorts.

If you run the PCB BOM Wizard on a component-less PCB it gives a warning 
dialog saying "no components found" or words to that effect.

But when run through the CAM Manager it crashes - I also got an access 
violation but maybe that is due to another bug. I asked for an NC-Drill 
report on a board with no holes.  So maybe there is a problem with NC-Drill 
on a hole-less PCB as well.  more investogation warranted if someone has 
the time...

I ignored the AV and then saw what Bill saw - the BOM report generation 
hanging.  Task Man required to kill P99SE.

Bug.  I will try to get on and update the last 10 bugs into the bug 
database.  I would like some scripting capability in CAM Manager then we 
could work around such problems as this by adding conditionals such as (in 
pseudo-psuedocode):
      if NumComponents > 0 then
          GeneratePCBBOM

Such scripting would also allow (hopefully) access to the PCB design rules 
so that, for instance, one could adjust clearances or mask expansions etc 
between layers.

Ian

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