Thanks for your response. One can get the DNC charts free off the US website (although they may not make all details available). For most of my charts I use OpenCPN, but this doesn't run the DNC charts. Any suggestions of other open source marine software?
Cheers Hans > On 22 Nov 2015, at 9:40 PM, Brent Wood <[email protected]> wrote: > > I think you'll find the Digital Nautical Chart format is not supported by > GDAL. > > However there are open source marine navigational software applications that > will read them, but apart from USA & New Zealand, I'm not aware of any > countries that provide their charts for free. > > Brent Wood > > From: Hans Rijsdijk <[email protected]> > To: Nicolas Cadieux <[email protected]> > Cc: "[email protected]" <[email protected]> > Sent: Sunday, November 22, 2015 10:06 PM > Subject: Re: [gdal-dev] Reading DNC nautical charts > > Hi, > Here is a link: > https://www.nga.mil/ProductsServices/NauticalHydrographicBathymetricProduct/Pages/DigitalNauticalChart.aspx > > I have also attached 2 of the charts. > > Hope this is useful. > > Cheers > > Hans > > > > > > > From: Nicolas Cadieux > Sent: Sunday, 22 November 2015 4:49 PM > To: Hans Rijsdijk > Cc: [email protected] > Subject: Re: [gdal-dev] Reading DNC nautical charts > > > Hi, > > If you have a link to the charts, I could look at it and see the format and > see if they are georeferenced (if coordinates like longitude and latitudes is > included in the image file). They should be. If so, I would recommend you > use a GIS software like QGIS to visualise the maps and manipulate the map. > QGIS has plugins that will permit you to plug in a GPS and to track the > movement for navigation. > > QGIS uses the GDAL library to open, save and manipulate maps images (rasters) > and point, line and polygons (vector data) so you get all the power of GDAL > and a user friendly interface. > > Nicolas Cadieux M.Sc. > Les Entreprises Archéotec inc. > 8548, rue Saint-Denis Montréal H2P 2H2 > Téléphone: 514.381.5112 Fax: 514.381.4995 > www.archeotec.ca > > On Nov 20, 2015 4:13 PM, Hans Rijsdijk <[email protected]> wrote: > > > > Can anyone advise if DNC nautical charts can be used on the gdal software > > and, if so even better with a gps? In other words for navigation. > > I am not familiar with gdal software so a 'fatherly' response will be > > greatly appreciated. > > > > Cheers > > > > Hans > > _______________________________________________ > > gdal-dev mailing list > > [email protected] > > http://lists.osgeo.org/mailman/listinfo/gdal-dev > > > > > > This email has been checked for viruses by Avast antivirus software. > www.avast.com > > > _______________________________________________ > gdal-dev mailing list > [email protected] > http://lists.osgeo.org/mailman/listinfo/gdal-dev > >
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