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How to plot a map like this in Matlab?

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Leon il 31 Ott 2021
Risposto: Kelly Kearney il 3 Nov 2021
The attached map was created using GMT based on the Earth Relief data. I wonder if anyone knows how to plot it using Matlab?
Many thanks!
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Morten Sparre Andersen
Morten Sparre Andersen il 2 Nov 2021
If you have access tio GMT, it may be more convenient making the map in GMT. Otherwise, the Mapping toolbox may be your best bet for a quick fix to your problem.
However, if you have the time, find the right projection, create the code to generate an X an Y array from the Lat-Lot data. If you interpolates to a regular grid, you may use imagesc to create the topographic grid. however, you can get a preview using mesh.
Next draw geodetic grid on top, if required.
You can find geodetic to UTM and back packages on the Matlab Central.
Good luck, Morten

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Kelly Kearney
Kelly Kearney il 3 Nov 2021
Do you want to replicate that plot exactly, or just the general concept? If the former, I'd recommend looking at m_map, since it allows for a similar map border style, colormaps, etc. With the Mapping Toolbox, you should be able to get a close replica, though:
worldmap('north america')
geoshow('landareas.shp', 'facecolor', 'none')
Both m_map and the Mapping toolbox include a variety of options for plotting projected raster data, but you'll have to download the desired terrain data prior to that.




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