![]() ![]() In ArcGIS, crack open ArcCatalog, and load the “Arcview 8.x tools” toolbar. If you’re using mapinfo, then skip to step 6. When it has finished exporting, you can shut it down. ![]() Go to file/export/mapinfo file, select level “0”, this includes the minor contours (down to 10m) as well as the major contours (100m) Note that they will be merged into one big file so for the sake of your poor computer, choose only the areas that you need. In gpsmapedit, click “open” or “add” and load up all the img files you want to convert. This costs 42 euros (umm, about 32 pounds at the moment) but allows you to use the programme on up to four computers. You need to register it to get the full functionality. To convert the img files to something (more) useful, the best programme I’ve found is gpsmapedit. See their web page for an explanation of the areas.Įdit: Leszek has some great alternatives methods and options for data- check the comments. img format, in several zip files, which roughly represent areas of the country. It’s based on public domain NASA data, cleaned up by the club and made freely available. You can get free contour data for the UK from the Scottish Mountaineering Club website. It got lost in a previous re-organisation of the blog and I thought it was worth re-posting… Firstly, if you’ve seen this post before, apologies. ![]()
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