How to plot non-square 3 dimensional matrix?
10 views (last 30 days)
Show older comments
Tyler Paladino
on 28 Sep 2020
Commented: Tyler Paladino
on 29 Sep 2020
Hi all,
I have some climate data that I'm having a hard time visualzing in MATLAB. I have 3D temperature matrix with dimensions of 65x49x20. I also have vectors of latitude(49x1), longitude (65x1), and altitude (20x1). I've tried creating a meshgrid out of lat, lon, and altitude, and then scatter3/surf/mesh the meshgrid with the 3D temperature data (e.g. scatter3(xmg,ymg,zmg,T)), but keep running into errors about vectors not being the same length. But everything is the same size! the temp matrix as well as the meshgrid I've created all have the same dimensions, yet I can't seem to be able to plot anything. Anyone have ideas of what I'm doing wrong?
Thanks,
Tyler
0 Comments
Accepted Answer
Walter Roberson
on 29 Sep 2020
Example:
%create some data for demonstration
lat = sort(rand(49,1))*180-90;
long = sort(rand(65,1))*360-180;
alt = sort(rand(20,1))*20000;
[latG, longG, altG] = meshgrid(lat, long, alt);
temperature = sort(rand(65,49,20) * 100-50, 3, 'descend');
%now the graphic
pointsize = 20;
scatter3(latG(:), longG(:), altG(:), pointsize, temperature(:))
colorbar
The pointsize is what you missed.
Note that in this, the temperature will not be shown directly, and will instead be encoded as color information.
Alternate graphic:
volshow(temperature, 'colormap', jet);
More Answers (0)
See Also
Categories
Find more on Surface and Mesh Plots in Help Center and File Exchange
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!