How to regrid along latitude and longitude of a 3d mat file

Prashant Kumar answered . 2024-12-22 02:20:23

% Load the original data from the mat file (assuming the variable name is 'originalData')
load('your_data_file.mat', 'originalData');

% Get the size of the original data
[rows, cols, depth] = size(originalData);

% Define the desired dimensions for the new data
newRows = 720;
newCols = 360;
newDepth = 1428;

% Create the grid for the original data
[lon, lat] = meshgrid(linspace(-180, 180, cols), linspace(90, -60, rows));

% Create the grid for the new data
[newLon, newLat] = meshgrid(linspace(-180, 180, newCols), linspace(90, -60, newRows));

% Resample the original data to the new dimensions
resampledData = zeros(newRows, newCols, newDepth);
for i = 1:newDepth
    resampledData(:,:,i) = interp2(lon, lat, originalData(:,:,i), newLon, newLat);
end

% Now resampledData is the new 720x360x1428 matrix that you desired

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