On Tuesday, Feb 24, 2004, at 13:20 US/Pacific, Edward Cooper wrote:

>> Here's the script I use:
>> SET DRILL_MENU .7 .9 1 1.1 1.3 1.5 2.1 3.3;
>
> Colin- Will this change the holes that are already there?

No.  I'm also pretty sure it doesn't change the hole sizes in
any parts you get from libraries.

>  If not is there a way I can get Eagle to just round up the
>  drill sizes to the nearest one in that selection?

Eagle will do all sorts of things like that when you export
to gerber-style formats, but I haven't found a good way of
modifying things in the Eagle-format files themselves.
(other than modifying all the libraries.)  There's a similar
problem with the silkscreen layer; there are nice ULPs to
regenerate a silkscreen layer with adjusted line widths,
but they generate a NEW silkscreen layer rather than modifying
the existing layers...

It ought to be possible to export all the parts in a given
board as a new library, and then adjust the hole sizes and
line widths in that library, and then re-aim/update the board
to use the adjusted library, but the last time i tried to do
this I ran into assorted problems and didn't pursue it.
(This would be a ULP.  Only one person has to write it, and
then anyone can use it.)  IIRC, you could export all the parts
to a single library file, but the board would still point at
"part@file" type designators (multiple files for the board.)
You could output a directory hierarchy of modified libraries
and point the board at the new directory, but I thought that
was a bit messy...  Sigh.  (I guess it's a pretty flat
hierarchy; might not be THAT bad...)

BillW

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