Changes between Version 7 and Version 8 of IPP_Progress_Report_20120227

Timestamp:

Mar 5, 2012, 9:39:10 AM (14 years ago)

Author:

bills

Comment:

--

IPP_Progress_Report_20120227

@@ -1 @@
-== IPP Progress Report for the week 2012.02.27 - 2012.03.04 == 
+== IPP Progress Report for the week 2012.02.26 - 2012.03.04 == 
 [[PageOutline]]
 
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    * Made some refinements to dlapstacks (display LAP stacks) a tool for finding and displaying LAP stack images that contain a point on the sky. Did some virtual sky gazing looking at various NGC galaxies. Some of the larger ones really show the effect of bad background correction. The newer stacks are improved in this regard.
    * The primary problem with psphotStack is that it often tries to consume infinite memory. Since psphot is quite complex I spent two full days reading code and stepping through the program. For the example case (sky_id 138369) the memory is being used by images created for each of the sources. With some effort discovered that this happens because a bit of code is calculating an unreasonably large size for the source. This caused the kron code to allocate very large images - many larger than the input image! Correcting the calculation stopped the explosion in this case. 
- * Debugged a distribution problem that NCU ran into. W
+ * Debugged a distribution problem that NCU ran into.
 
 === Chris Waters ===