I have used HOLE program (http://www.sciencedirect.com/science/article/pii/S026378559700009X) to find the pore radius of a channel as a function of z-axis. As output, the program gives the location of capsules (that were filled inside the channel), capsule length and radius etc, as a function of z-axis.

Capsule graph option*****
Data:
cenxyz.cvec     eff.rad        area     CAP.LEN     cap.rad angle.X-axi cen.line.di integ.s/(ar point sourc
  -14.00000     2.23465    15.68804     1.72142     1.39301    73.21487     0.00000     0.03187  (sampled)
  -14.50000     2.40709    18.20262     1.96609     1.46141    58.41143    -0.54015     0.05934  (sampled)
  -15.00000     2.51292    19.83844     1.37866     1.78410    73.19154    -1.11224     0.08454  (sampled)
  -15.50000     2.69525    22.82171     1.34834     1.97026    87.40431    -1.71545     0.10645  (sampled)

I was wondering if i can use the shape command to draw the capsules in Chimera. I thought to create 'tube' with 'shape' command but i was not lucky. For instance, the following command didnt work (i opened channel as model #0)

shape tube #0 radius 2.23 bandLength 1.72 center  0, 0, -14.00

Pls help to know some way to do this.