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

[Jennifer Adams]

John Huddleston's windows cygwin build of 2.0.0 (along with the  
required dlls) has been posted to the FTP server with links from our  
downloads page. Thank you, John!
--Jennifer

On Sep 29, 2011, at 10:34 AM, 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
>
>
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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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