Display Volumes and Specialized Graphics - MATLAB Graphical Programming - page 82

Figure 4-13.
Figure 4-14.
Below is a chart of tape (Figure 4-15 ) and one of tube (Figure 4-16 ).
>> load wind
[sx sy sz] = meshgrid(80,20:10:50,0:5:15);
daspect([1 1 1])
verts = stream3(x,y,z,u,v,w,sx,sy,sz);
CAV = curlx,y,z,u,v,w);
spd = sqrt(u.^2 + v.^2 + w.^2).*.1;
streamribbon(verts,x,y,z,CAV,spd)
>> load wind
[sx sy sz] = meshgrid(80,20:10:50,0:5:15);
daspect([1 1 1])
streamtube(x,y,z,u,v,w,sx,sy,sz);