In article <3575E3E5.12BC08F1@chop.swmed.edu>,
	Lothar Esser <ess### [at] chopswmededu> writes:
>Dear Colleagues,
>
>  I am planning to use povray to render a transparent object
>which 
>  may contain several thousands of round ended cylinders. 

>I have done  something like this:
>
>  merge {
>    merge {

Eeek! Double merge!? You are in for some serious rendering-times my friend.

The later snippet of code will not help the rendering-time, only make your
code easier to read.

I would like to suggest this:

Avoid merge.
Use Blobs instead (the cylinders in blob are round-ended).
Try to avoid transparency if you can...

Best of luck :)

/Michael

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