create_cylinder_demo

sample file to create a solid cylinder with two disks on both sides

0001 %sample file to create a solid cylinder with two disks on both sides
0002 cyl_radius=0.75;
0003 cyl_height = 0.290;
0004 
0005 %create a unit height cylinder with 100 points. Radius 75
0006 [X,Y,Z] = cylinder([cyl_radius], 100);
0007 %Multiply Z by height
0008 Z=Z*cyl_height;
0009 
0010 %Save in stl format, create new file
0011 surf2stl('link0.stl', X, Y, Z, 'ascii', 'w');
0012 
0013 %now create a disk, bottom
0014 radius = linspace(0,cyl_radius,10); % For ten rings
0015 theta = (pi/180)*[0:10:360]; % For eight angles
0016 [R,T] = meshgrid(radius,theta); % Make radius/theta grid
0017 X = R.*cos(T); % Convert grid to cartesian coordintes
0018 Y = R.*sin(T);
0019 %Z = 0.*X; %(corresponding values of Z in terms of X and Y)
0020 %surf(X,Y,Z)
0021 %append this solid to already created file, bottom disk
0022 surf2stl('link0.stl', X, Y, 0.*X, 'ascii', 'a+');
0023 %top disk
0024 surf2stl('link0.stl', X, Y, cyl_height.*ones(size(X,1), size(X,2)), 'ascii', 'a+');
0025 %top disk
0026 %Z = cyl_height.*X; %(corresponding values of Z in terms of X and Y)
0027 %append