Changes between Version 244 and Version 245 of ippToPsps
- Timestamp:
- Apr 3, 2012, 10:02:56 AM (14 years ago)
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ippToPsps
v244 v245 83 83 DVO has an API written in C that can be used to extract detection records for a give 'IMAGEID' found in cmf and smf file headers (see note below regarding IMAGEID confusion). The usual case is that {{{ippToPsps}}} uses this form of DVO access using a small C program called {{{dvograbber}}}, the source for which is in the {{{ippToPsps/src}}} directory. 84 84 85 {{{ippToPsps}}} has a second way of accessing DVO, which is only intended to be used in the special case of surveys (like MD4), or areas of surveys, have very high coverege in a certain area of sky meaning the underlying DVO FITS grow to a very large large size. For such areas, it becomes unfeasible to access DVO via the C api as repeatedly reading FITS files as large as 2GB causes read ti umes of up to hours per frame.85 {{{ippToPsps}}} has a second way of accessing DVO, which is only intended to be used in the special case of surveys (like MD4), or areas of surveys, have very high coverege in a certain area of sky meaning the underlying DVO FITS grow to a very large large size. For such areas, it becomes unfeasible to access DVO via the C api as repeatedly reading FITS files as large as 2GB causes read times of up to hours per frame. 86 86 87 87 Instead, for these regions, {{{ippToPsps}}} can pre-ingest a region of DVO into a scratch MySQL database.
