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I'm drawing the following cylinder which represents a water flowing and cooling down

\usepackage[english]{babel} %change language if necessary
\usepackage[english,verbose]{layout}%change language if necessary


\psset{viewpoint=50 50 20 rtp2xyz,Decran=50,lightsrc=viewpoint 
 \psSolid[h=8,r=0.5, object=cylindre, ngrid=50 15, RotZ=30,
hue =1 0 0 0 0 1,linewidth=0.01pt ](0,0,-2.5)  \end{pspicture}


I would like the black lines to disappear, or atleast partially merge with the image. Is there anyway to perform this ?

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marked as duplicate by Paul Gessler, Werner, Jesse, Mike Renfro, Svend Tveskæg Jan 13 at 2:55

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

Did you try to use 0pt for the line width? – Sigur Mar 30 '13 at 0:03
Yes, it makes white lines which are not really pretty. I have found a way though. Set linewidth = 0pt and plot a second cylinder on top of the first with a slightly different ngrid. – Mathusalem Mar 30 '13 at 8:09
@Mathusalem: linewidth=0pt is not the correct way. See my answer – Herbert Aug 3 '14 at 13:45

1 Answer 1

Use option grid:


\psset{viewpoint=50 50 20 rtp2xyz,Decran=50,lightsrc=viewpoint,
\psSolid[h=8,r=0.5, object=cylindre, ngrid=50 15, RotZ=30,
  hue =1 0 0 0 0 1,grid=false](0,0,-2.5)  

enter image description here

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