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Jeff Sondeen <sondeen AT rcf-fs DOT usc.edu> wrote:

> i'm confuse about CIF box center points -- must they fall on a .01
> grid?  why can' they just fall whereever, for example, on a .005
> grid.  it's only the unit size that's defined as .01 um, right?

Right. It appears that this is not a limitation of CIF, but rather of
Magic.  This may be due to the grow/shrink statements in the
cifinput/cifoutput section of the Magic technology file, which use
centimicrons as units.

Tim Edwards <tim AT stravinsky DOT jhuapl.edu> wrote:

> I think the magic CIF output routine should be re-written to check
> for rectangle centers falling on fractional values (which is easy
> enough to do) and opt to write a polygon statement to the output
> file if so.

Forget that.  Fix the cif input/output so that fractional centimicrons
*can* be used.  With submicron processes, non-even centimicrons per
lambda will become much more common.

Philippe Pouliquen
The Johns Hopkins University

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