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

[Semyon Grodsky]

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