On 26/03/2020 15:34, Chris Hill wrote:
GDAL stuff is useful.
Chris,
Thanks for that suggestion. I installed GDAL & ran "gdal_contour" on the
.ASC file, generating a .SHP file, which I then input to JOSM using the
OpenData plugin.
My reasons for this is to create a depth contour map to overlay on
nautical charts generated from the OSM database. The source of the depth
data is EMODnet (https://www.emodnet-bathymetry.eu). They have a depth
(& elevation) database for all of Europe & N. Africa on a 1/16th arc
minute grid.
Regards,
Malcolm
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