STSDAS v3.3.1 Patch Full Release Notes Changes in PyRAF support: None Changes to Applications: Package stsdas.hst_calib.stis: calstis/cs6/: Fixed a typo in the newtrace module. Added a test for the number of input points in the background polynomial fit; if it is less than the degree of the polynomial to be fitted, background smoothing is turned off. calstis/cs7/: Binning in the cross-dispersion direction is now included when applying the correction for slit tilt. The scaling factor for binning was removed from the correction for tilt angle. A data initialization bug was fixed in the getabsphot module. calstis/lib/: In the strtor module, characters beyond the end of the string could be read and converted to floating point values because of an indexing error. Several changes were made to fix this. The variable ipx was also renamed to ip0 to make it clearer that it was the beginning of a substring. mkfringeflat.cl: The algorithm for calculating the extraction width was changed so that mkfringeflat works correctly for subarray data. Package stsdas.analysis.dither: The MultiDrizzle and PyDrizzle tasks were significantly updated for this release. The release notes describing these changes can be found in: http://www.stsci.edu/resources/software_hardware/pyraf/stsci_python/release_notes All references to hidden tasks based on DQPars module were removed from the Dither package. Parameter file changes: MultiDrizzle -- 1. Added: 'wt_scl' parameter in single and final drizzle steps. 2. Removed: 'bits' parameter. 3. Added: 'driz_sep_bits' and 'final_bits' parameters. 4. Modified: Default value for 'runfile' was changed to ''. 5. Modified: default for 'input' was modified to explicitly use a wild-card. The default is now "*flt.fits" instead of "flt.fits". PyDrizzle 1. Removed: 'bits' parameter. 2. Added: 'bits_single' and 'bits_final' to replace 'bits'. Help file updates for MultiDrizzle: The MultiDrizzle help file was updated to reflect the changes in this release. These are documented in the stsci_python release notes at http://www.stsci.edu/resources/software_hardware/pyraf/stsci_python/release_notes Code changes: The initialization code in routines 'doblot.f', 'bieval.f', 'ioutil.f', and 'drutil.f' was modified so that the code would compile under Tru64 without error. A bug in cleanBlank that prevented the successful input of float or integer values for optional parameters was fixed in the STSDAS interface to MultiDrizzle. The version ID was updated for Callable drizzle to Version 0.6 for the callable drizzle and blot routines. A bug was fixed in the 'traxy','wtraxy','tranback', and 'wtranback' code to check for out of bounds pixels prior to calling 'drival'. This avoids crashes when a GEOIM image has been specified.