images from event files

From: Ed Kellogg (emk@head-cfa.harvard.edu)
Date: Mon Jan 22 2001 - 15:16:25 EST

I always get hung up on this:

Can you make an image file by filtering an event file with a filter like
[sky=region(src.reg)] where src.reg is a figure like a polygon or
circle, rather than just a box aligned with the x,y axes?

Is there a web page that discusses this?

Thanks,
Ed Kellogg 

--
Edwin M. Kellogg
SmithsonianAstroObsv
Cntr for Astrophys.
Cambridge  MA
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