Quantcast
Channel: MATLAB Central Newsreader Recent Posts
Viewing all articles
Browse latest Browse all 19628

Re: coordinates of a 3D line

$
0
0
"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

Viewing all articles
Browse latest Browse all 19628

Trending Articles