Re: [DebianGIS-dev] maps / coastline files within Debian

2009-07-02 Thread Bernd Zeimetz
Francesco P. Lovergine wrote:
 On Tue, Jun 16, 2009 at 10:12:02PM +0100, Alastair McKinstry wrote:
 Does anyone know this code? It appears as though the gmt-coast-low is  
 not sufficient for zyGrib and magics++,
 and I'm not familiar with the history of gmt beyond the README.  Any  
 ideas or recommendations as to how to proceed?

 
 Just for note, the downloading script can be used in non interactive
 way so a debconf based postinst step to download at installation 
 (or any later) time the required files could be considered. I'm too 
 lazy to provide that myself, but a patch for that could be considered for 
 the gmt data package could be useful. 
 
 That said, the whole arch-indep 
 data set is probably much less a concerning for storage of some years
 ago, but that could be confirmed only by ftp-masters and mirror
 maintainers. There were some discussions in the past about a data
 providing infrastructure, but I missed the whole thread conclusion
 (if any).
 

We're still waiting for the necessary hardware (mainly: storage) to be 
sponsored...

-- 
 Bernd Zeimetz Debian GNU/Linux Developer
 GPG Fingerprints: 06C8 C9A2 EAAD E37E 5B2C BE93 067A AD04 C93B FF79
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Re: [DebianGIS-dev] maps / coastline files within Debian

2009-06-17 Thread Francesco P. Lovergine
On Tue, Jun 16, 2009 at 10:12:02PM +0100, Alastair McKinstry wrote:
 Hi,

 I am working on some packages for Debian Meteorology  
 (http://wiki.debian.org/DebianScience/Meteorology):
 magics++ , a plotting / graphics library / scripting system , and  
 zyGrib, a GRIB (met. format) file viewer.
 They both include some coastline maps from gshhs   
 (http://www.ngdc.noaa.gov/mgg/shorelines/gshhs.html),
 the Global Self-Consistent Heirarchical High-Resolution Shoreline  
 database. This data is GPL'd,
 created by the same people as gmt.

 zyGrib contains 23M of low-res maps, with an additional package of 101  
 MB optional high-res maps.
 magics++ has 21 MB in one file from this set; the files are in their own  
 .b format. It makes sense to build these
 files into their own shared package.

 Now, it appears that these are the same data files in 'gmt' (Generic  
 Mapping Tools) a lower-res version of the coast files are provided
 in netCDF format in gmt-coast-low (5.5 MB worth). There was a  
 higher-resolution package gmt-coast-high, but this was removed as
 it took up too much space in Debian.

 Does anyone know this code? It appears as though the gmt-coast-low is  
 not sufficient for zyGrib and magics++,
 and I'm not familiar with the history of gmt beyond the README.  Any  
 ideas or recommendations as to how to proceed?


I don't know the cited programs, but gmt-coast-low currently includes a 
tiny script gmt-coastline-download to download and install medium and high-res 
coast
lines. If both programs use the same format for GSHHS you could simply
suggest downloading by the same script in your documentation. Note
that GMT coastlines format is quite known and used so i'm quite sure
you can provide eventually some helper script for possible format
conversions. 

-- 
Francesco P. Lovergine

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Re: [DebianGIS-dev] maps / coastline files within Debian

2009-06-17 Thread Francesco P. Lovergine
On Tue, Jun 16, 2009 at 10:12:02PM +0100, Alastair McKinstry wrote:

 Does anyone know this code? It appears as though the gmt-coast-low is  
 not sufficient for zyGrib and magics++,
 and I'm not familiar with the history of gmt beyond the README.  Any  
 ideas or recommendations as to how to proceed?


Just for note, the downloading script can be used in non interactive
way so a debconf based postinst step to download at installation 
(or any later) time the required files could be considered. I'm too 
lazy to provide that myself, but a patch for that could be considered for 
the gmt data package could be useful. 

That said, the whole arch-indep 
data set is probably much less a concerning for storage of some years
ago, but that could be confirmed only by ftp-masters and mirror
maintainers. There were some discussions in the past about a data
providing infrastructure, but I missed the whole thread conclusion
(if any).

-- 
Francesco P. Lovergine

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