Changes between Version 6 and Version 7 of IPP_for_PS1/ppImageMemoryExplosion_201208

Timestamp:

Aug 14, 2012, 5:16:08 PM (14 years ago)

Author:

bills

Comment:

--

IPP_for_PS1/ppImageMemoryExplosion_201208

@@ -22 +22 @@
 [[Image(o4985g0061o.jpg)]]
 
+Another ota which was particularly problematic was XY66. See for example chip_id 541166. 
 
-== How do the sources get large pixel images ==
+== How do the sources get large pixel images? ==
 I traced through the code and found that the sources are getting allocated large pixel images in psphotKronIterate_Threaded. When the sum of pixels in the kron radius measurement == 0 the kron radius was getting set to NaN. Then it calculates the radius and finds NaN. So since r is never > NAN the sums includes all pixels in the flux measurement.