Hi Wbenn7,
To access a region of a 3D matrix based on two dimensions only, pass a colon operator ‘:’ as the third index to access all the data of the third dimension within the range of the first two dimensions.
Example:
% Provided dimensions
nx = 600;
ny = 600;
GSD = 2;
data = rand(nx, ny, GSD); % Example data matrix
xRange=100:200; % range definition
yRange=200:300;
extractedData=data(xRange,yRange,:); % To extract a given range
for x = xRange
for y = yRange
for z = 1:GSD
data(x, y, z) = x + y + z; % To apply data to a given range
end
end
end
overwrittenData=data(xRange,yRange,:)
Please refer to these documentations for further reference:
Array indexing: https://www.mathworks.com/help/matlab/math/array-indexing.html
Multidimensional arrays: https://www.mathworks.com/help/matlab/math/multidimensional-arrays.html
Hope it helps!
