added global and variable attributes to report pages; fixed bug in the io module that was causing global attributes to never be loaded; corrected the behavior for purple marking circles behind small numbers of mismatch points and added that behavior to some other kinds of mismatch plots

If the file is inaccessible, raise the same Exception the built-in global open() would.  This makes for more specific and helpful errors. This is done by doing an experimental open() on the file and not catching anything.

fix handling of _unsigned attribute in nc files; units=1 no longer display on plots; commands on the command line should be case sensitive; better handling of shape () data

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refactoring the stats module and adding more detailed analysis of individual data sets; fixed a bug that caused glance to crash when loading character variables in netcdf files

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moving a huge pile of strings into constants modules and refactoring several groups of functions out of compare.py into different modules organized by their logical function

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fixed which doc strings are shown for the inspectStats command; moved gui constants into a separate file; hooked up more of the settings tab; built case insensitive cache for the attributes and variable names in the io module; fixed the validator in the gui so it will accept None as well as doubles

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moved to new version to represent the gui change; marked glance no longer zip safe due to mako needing to search directories for templates; moved glance non-code files into the stuff subdirectory; overhauled report generation to remove copied code; more kinds of files can get all variable attributes using io; checked in initial imapp idea plotting code; set up initial stats window in gui; added numeric validation to some gui input fields; changed the statistical analysis constructors to allow for direct use of data objects

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adding zero padding to floats displayed in reports; adding alpha version of new gui; adding initial version of global file attribute load to io; now using Qt4Agg renderer and setting ion and ioff

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adding pass fail control in reportGen; adding _delta statistics and renaming some others to be consistent; fixed calculation of the standard deviation; comment out some print statements in the io module

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a draft of a great circle distance function; fixed the bin range and epsilon comparison in colocation; added a check for no-data to stop scatter plot from crashing bin/tuple mode

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JPSS mods
- provides info report but does not fail if an unneeded file format module is not available
- uses FORMAT environment variable to try to load files that cannot have their format determined from suffix
- addition of jpss_adl format handler in glance.io, which needs adl_blob.py from svn/jpss_adl/trunk/contrib/scripts




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fixed config file link on main report page; added units display to reports if units attribute is present in files

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corrected magnitude direction to UV vector formula; added code to support bin tuple visualizations for complex data (first draft); stubbed in methods for attribute modification and variable creation in file types other than .nc

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corrected loading of h5 missing values; fixed info variable selection crash; invalid pts much more accurately detected and ignored during colocation; set up to plot vector data using config file settings; fixed remote file access for colocation copies

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added code to support data colocation and creation of modified files including colocated data; added support for a filter based on another variable data set (for example filtering winds on QI); quite a bit of refactoring to clean up code and handle longitude/latitude edge cases

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added foundation work for vector data plotting (using quiver); added more work on ipopp visualization; major refactoring of plotting code to simplify and reorganize

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updated h5 loading to figure out variable names in files correctly; also corrected issue with fill value for diffing data that is integer typed

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adding testing code to use fork to control memory use bloat when plotting; changed to getting type of scaled data from loaded offset/scale

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