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Contour map to show ocean depth

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Jake il 23 Apr 2020
Commentato: Ke Wei Ong il 15 Ago 2020
How can I construct a contour map as follows that shows the Ocean depths at a particular location, using Longitude, Latitude and Depth data. (Attached sample xlsx file)
I've been struggling to get something at least slightly similar and I have posted a few posts before this. I'm still learning MATLAB and this has been a dead end for me for some time now. So, literally ANY suggestion, recommendation or help is appreciated.
Now, Do I need more data? Or do I have to have a specific toolbox?
To clarify, I don't mind having different colors or a color bar than the one I have posted. My concern is getting the contour map generated as shown on the post.
Basically, the data refers to Lat, Lon and Depth/Altitude. I am interested in generatnig a contour map that shows different depths/altitudes based on that data set.
I'll add all my previous posts and reference here, to know what my intensions are.
Thank you in advance!

Risposta accettata

darova il 23 Apr 2020
Use griddata
% lat, long, depth - your data
[LAT,LON] = meshgrid(lat,long); % create 2D matrices
DP = griddata(lat,long,depth,LAT,LON); % calculate value at each grid point
  6 Commenti
Jake il 23 Apr 2020
This is exactly what I meant! I honestly didn't expect a code from you because I already took a lot of your time :)
Thanks a bunch. This saved the day!
Ke Wei Ong
Ke Wei Ong il 15 Ago 2020
May I know what is the unit in the legend, is it in meter or milimeter?

Accedi per commentare.

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