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Javier
Posts:
61
Registered:
4/26/11


Re: coordinates of a 3D line
Posted:
Dec 2, 2012 10:44 AM


"Javier " <javsanzperez@gmail.com> wrote in message <k9frj8$dsu$1@newscl01ah.mathworks.com>... > Hi, > > I'm starting with 3D and I want to plot a line in 3D which start in one point P1 and finishes in another P2, and obtain all the coordinates points of the line with a resolution R. Could I do something similar to the following: > I don?t know the value for t: > P1=[1 5 2]; > P2=[0 0 0] > resol = 0.1; > x0 = P1(1); > y0 = P1(2); > z0 = P1(3); > t=1:resol:1 > dx = P2(:,1)P1(:,1) > dy = P2(:,2)P1(:,2) > dz = P2(:,3)P1(:,3) > > x = x0 + t*dx > y = y0 + t*dy > z = z0 + t*dz > > plot3(x,y,z,'b') > Better said, I need a function to define a segment of line knowing a point, the slop and the distance. > Thanks very much



