[gradsusr] * * * New Release GrADS Version 2.0.0 * * *

Thu Sep 29 12:24:04 EDT 2011

The new UDF interface is still in the design phase. It will be  
included in version 2.1.
--Jennifer

On Sep 29, 2011, at 11:53 AM, Semyon Grodsky wrote:

> Jennifer,
> is UDF support included in the 2.0.0? If not, could you please  
> update us
> on that?
> Thanks,
> --Senya
>
> On Thu, 29 Sep 2011, Jennifer Adams wrote:
>
>> Brian and I are pleased to announce a new release of GrADS, version  
>> 2.0.0. We
>> have worked very hard to make this version as stable as possible,  
>> and are
>> therefore taking it out of alpha status, skipping over beta  
>> altogether, and
>> calling it 'operational'. There is a very long list of new  
>> features, bug
>> fixes and miscellaneous additions, the full text from the ChangeLog  
>> is below,
>> please read it carefully.
>>
>> Highlights of this release, other than its stability, are a new  
>> shaded
>> contouring algorithm (which allows for "transparent" colors),  
>> support for
>> polygon shapefiles and KML files, and some fixes and improvements  
>> to the
>> streamlines, including controls for spacing, style, and size of the  
>> arrows.
>> There are also new versions of some of the supplibs, enabling the  
>> handling of
>> GRIB2 product definition template 4.15, and optimizing the netcdf5/ 
>> hdf5
>> interface.
>>
>> The GrADS downloads web page (http://iges.org/grads/downloads.html)  
>> has been
>> updated with links to the source code and a few pre-compiled  
>> binaries.
>> Binaries for additional operating systems will be posted as they  
>> become
>> available.
>>
>> Please report any problems or questions to this forum. Enjoy!
>>
>> --
>> Jennifer M. Adams
>> IGES/COLA
>> 4041 Powder Mill Road, Suite 302
>> Calverton, MD 20705
>> jma at cola.iges.org
>>
>>
>> 2011-09-29  Version 2.0.0
>>  Features:
>>  * New shaded contouring algorithm: "set gxout shade2"
>>    Polygons are closed, have no holes, do not overlap, and are as  
>> large and
>> few in number as is feasible
>>    Use of -1 for a color # will suppress drawing of the shaded  
>> contour,
>> making it effectively transparent
>>  * Legacy shaded contouring routine: "set gxout shade1"
>>  * "set gxout shaded" is now an alias for legacy shaded contouring  
>> routine
>>  * Support for creating polygon shapefiles with new option "-poly"  
>> to "set
>> shp" command
>>  * Support for creating polygon KML files with new option "-poly"  
>> to "set
>> kml" command
>>  * 1D loglog plots with new command "set log1d"
>>  * New environment variable GASHP, contains 1 or more directories  
>> that may
>> contain shapefiles.
>>    GASHP delimiters are space, semicolon, comma, or colon.  
>> Algorithm is:
>>      1. Tries to open filename as provided by user	       2. Parses
>> GASHP and prepends each dir to filename
>>      3. Prepends GADDIR directory (only one dir) to filename
>>  * New command "set strmopts" to control streamline density plus  
>> arrowhead
>> spacing, size, and type.
>>    Support for negative streamline density values (between -10 and  
>> -1) for
>> high-res grids.
>>
>>  Misc:
>>  * Mixed case ensemble names are now allowed
>>  * Changes to improve masked contour labeling; also now works with  
>> "set
>> vpage"
>>  * Support for grib1 time range indicator 7, which subtracts the  
>> forecast
>> time
>>    from the basetime to get the valid time
>>  * Loosened restrictions in gribmap for mapping monthly data
>>  * Previously undocumented command: "screen"
>>  * Added "query calendar" command to discover calendar mode (unset,
>> 365-day, or standard)
>>  * Added ":" to list of delimiters for multiple dirs in GASCRP  
>> environment
>> variable (now same as GASHP)
>>  * Added "NULL" as an option for scale factor attribute name in the  
>> UNPACK
>> descriptor file entry
>>    when add offset occurs alone
>>  * Updated wgrib.c to version 1.8.1.2a
>>  * Updated grib2scan to show start/ending times for averages, and  
>> valid
>> times for instantaneous fields
>>  * Handles GRIB2 Product Definition Template 4.15
>>  * Added aliases 'line' for 'ln' and 'point' for 'pt' in 'set shp'  
>> and 'set
>> kml' commands
>>  * Added alias 'image' for 'img' in 'set kml' command
>>
>>  Bugs:
>>  * Fixed errors when retrieving data from a very large defined  
>> object that
>> has more than 2Gb elements.
>>  * Patched memory leak when reading NetCDF attributes with lengths  
>> larger
>> than 128
>>  * Patched memory leaks in cdiff(), gr2stn(), and coll2gr()  
>> functions and
>> collect() command
>>  * Cannot have a leap and no-leap file open at the same time
>>  * Calendar mode cleared with "reinit" only
>>  * Fixed big/little endian error when reading 2-byte binary data
>>  * Fixed bug where 2-point contour segments are not drawn in upper  
>> right
>> corner of grid
>>  * Fixed contouring bug for very high res grids with vertices too  
>> close
>> together to resolve graphically
>>  * Fixed contouring bug for small grids that left a gap in contour  
>> line
>>  * Added check for strictly increasing contour levels
>>  * Fixed streamlines in areas where grid boxes are not square (e.g.  
>> near
>> the poles)
>>  * Disabled erroneous vector/barb drawing in some projections  
>> (mollweide,
>> orthographic, and robinson)
>>  * Fixed erroneous results from 'q xy2gr' for some projections  
>> (returns
>> -999.9 instead of garbage)
>>
>>  Supplib Updates:
>>  * Linked with jasper-1.900.1, g2clib 1.2.2, hdf5-1.8.7,  
>> netcdf-4.1.3,
>> zlib-1.2.5
>>
>>
>
> -----------------------------------------------------------
> Semyon Grodsky
> Computer and Space Science Building (Bldg. #224), Room 2409
> Department of Atmospheric and Oceanic Science
> University of Maryland
> College Park, MD 20742
>
> Phone:  301-405-5330
> Fax:    301-314-9482
> E-mail: senya at atmos.umd.edu
> _______________________________________________
> gradsusr mailing list
> gradsusr at gradsusr.org
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--
Jennifer M. Adams
IGES/COLA
4041 Powder Mill Road, Suite 302
Calverton, MD 20705
jma at cola.iges.org

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