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Read STL FILE on MATLAB

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Huijuan Zhu
Huijuan Zhu on 30 Dec 2020
Commented: Huijuan Zhu on 30 Dec 2020
Hello, I am doing my school project and have encountered this problem of reading STL file on MATLAB. The STL file has 7706 KB, i am trying to reduce the patch/mesh but I couldn't move on without reading the STL file on matlab first. Please help me out. Thank you very much.

Accepted Answer

Ameer Hamza
Ameer Hamza on 30 Dec 2020
No, this is not how a function is called in MATLAB. Read here: https://www.mathworks.com/help/matlab/matlab_prog/create-functions-in-files.html. You cannot pass input when declaring the function. Which means that first line should be like this
function [coordinates] = stlread(filename)
..
..
fid = fopen(filename);
end
After declaring the function, you can call it like this
stlread('test.stl')
So your file should be like this
clear; % don't use clear all
clc;
coordinates = stlread('test.stl')
function [coordinates] = stlread(filename)
..
..
fid = fopen(filename);
end
and then run the script.
Note that from R2018b, MATLAB also have its own stlread() function. You can also use that.
  1 Comment
Huijuan Zhu
Huijuan Zhu on 30 Dec 2020
Nicee, thank you very much, I will try that :)

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