undisired grid size with meshgrid
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Hi: I have a three 1-D constant space matrix, and I want to use them to generate a 3D space mesh.
the size of each is x: 1*532, y: 1*357, z:1*1072.
after I used the meshgrid:
[X,Y,Z]=meshgrid(x,y,z);
the size of X, Y, Z are : 357*532*1072. but I think they should be: 532*357*1072.
is there any problem with my operation?
Thanks! Li
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Accepted Answer
Image Analyst
on 16 Jan 2018
Remember y is rows and thus will be the first index. So it returns an array 357*532*1072 which is 357 rows by 532 columns by 1072 slices. Your y is 357 so that's why it's first and you have 357 rows. When the workspace says n*m*s, the first number is the number of rows, which is y, not x.
x = 1:532; % Columns
y = 1 : 357; % Rows
z = 1 : 1072; % Slices
[X,Y,Z]=meshgrid(x, y, z);
[rows, columns, slices] = size(X)
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