Il 23/06/2022 23:27, Dave Blandston ha scritto:
 > ingo <ing### [at] tagpovrayorg> wrote:
 >
 >> Have you considered blob-sweeps? You could use the .z in the vector for
 >> the strength of the blob.
 >
 >
 > This looks like a solution. If the b_spline function could be 
converted to SDL
 > in such a manner that it would generate points and corresponding 
diameters at
 > specific intervals (the distance between points would have to remain 
constant
 > regardless of the curvature) then a blob element could be placed at 
each point
 > and the diameter could be converted to a blob strength.
 >

Very nice!
Paolo

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