[ gpsdrive ] Nautical maps

[Doug Robinson]

We used the charts obtained below running on Google Earth Plus.
GPDRIVE merely provided a display of course and track.
Both were drive by an IBM thinkpad using Novell Open Desktop 10.? (SUSE
Linux)

In the future we will move to an Apple G4 for next season.

fdr

http://earthnc.com/earthnc-plus

On 2/29/08, Hamish <hamish_b at yahoo.com> wrote:
>
> Bill wrote:
> > I would dearly appreciate a tutorial on how to generate a GPSDrive
> map
> > using the free NOAA EMC maps,
>
>
> ok, for vector data:
>
> 1) get NOAA S-57 (EMC) data
>    http://nauticalcharts.noaa.gov/mcd/enc/download.htm
>    nice preview:
> http://www.oceangrafix.com/o.g/search-nautical-charts.html
> 2) install GDAL/OGR from www.gdal.org
> 3) test for S-57 support with 'ogrinfo --formats | grep S57'
> 4) Try to load it with a nice viewer like Quantum GIS (www.qgis.org)
> 5) Import S-57 data into GRASS GIS (grass.osgeo.org) with v.in.ogr
> 6) Set zoom, dispaly layers, colors, line widths, labels, etc. in GRASS
> 7) Export & register the GpsDrive tile with d.out.gpsdrive
> 8) create GpsDrive waypoints at bouy lat/lons and verify that tile
> lines up
>
> I am downloading a couple of NOAA ENCs now, I'll give it a try and post
> the results.
>
>
> for georeferenced raster data (GeoTIFF, BSB) you can use the
> gdal_slice.sh script which calls gdal_translate in a loop.
>
>
>
> > tailored to the neophyte Linux user.
>
>
> The www.gpsdrive.de webpage says "GpsDrive - Navigation Software for
> Linux". It may be more appropriate to call that "for UNIX" or "for
> Linux and Mac". GpsDrive runs well on a Mac (I've built using Fink), it
> seems a pity not to include all those users.
>
>
>
> > A Google search of GPSDrive in marine applications turns up
> > essentially nothing.
>
>
> This list & its archives is the best place to look+ask.
>
>
> Pat wrote:
> > It would be great if someone in the know made an importing howtoo for
> > newbies.
> ...
> > So if the people who know this stuff, or have figured it out could
> > write a howtoo ....
>
> I had put some hints into the old GpsDrive MediaWiki, but that has gone
> away. You might still be able to find the content via archive.org.
> I am happy to host something on my google pages webspace, but it would
> be nice to revive the wiki so everyone can contribute ideas. For
> solutions using d.out.gpsdrive we could use GRASS's wiki.
>
>
>
> Doug wrote:
> > I supplemented by using Google Earth for which I found a series of
> > graphics someone had collected for the major harbours of the world
> > of which fortunately Toronto was included.
>
>
> link please? :)
>
>
>
> > I has hoped by now someone had interfaced the free distribution from
> > NOAA, but so far I haven't found it.
>
>
> try above. Both GDAL and GRASS (>=6.3) are fully scriptable so
> something
> could easily be done to automate tile creation.
>
>
>
> > I would be willing to kick in a Ben Franklin to fund a coop student
> in
> > the summer of code to paste something together.....how many others
> > would due the same?
>
>
> IMO efforts are better directed at replacing the 1280x1024 tile and
> center LL + scaling factor in map_koord.txt with libgdal and the
> ability to dynamically load + crop the current region from the original
> georeferenced map files without any reprocessing by the user. It just
> takes some work and IMHO is really holding the project back from
> what it could be.
>
> I see no reason why the S-57 vector data could not be integrated into
> GpsDrive in the same way OpenStreetMap has been. (NOAA products are
> without copyright)
>
> Documentation & tutorials are worth their weight in gold, and so
> contributing back to the project is the preferred method of payment as
> far as I'm concerned.
>
>
>
> Hamish
>
>
>
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>
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>
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-- 
Doug Robinson
personal: douglasrobinson at verizon.net
office:      fdr at mytemyke.com
direct:     fdr at mytemyke.net (gmail)
Send all documents as .odt files, or .pdf (we will accept .doc as well but
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