on-screen guide lines.

[John R. Culleton]

In some other applications (e.g., Scribus) it is possible to create guide 
lines 
which help in the placement of objects. For example for
a book cover image the actual dimensions (with necessary bleed)
may be 1/8 inch larger all around than the actual dimensions of
the finished book. The guide lines, which appear on screen and are
stored with the image but do not appear in the final pdf or tiff
output, can be pulled from the margins and placed exactly with
respect to the overall image size. 

Lacking this facility it is I suppose feasible to create a
transparent template image consisting of nothing but the guides, and add it as
the top layer. Then when saving the final image that layer could be
disabled or deleted. 

Any thoughts anyone?
 
-- 
John Culleton
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