[vtkusers] how to reduce # of points in a polyline ?

[Sebastien_MARAUX]

Hello,

I tried vtkQuantizePolyDataPoints, but it ends with bad 
looking (kind of pixelated) lines with square effect. 

I would prefer a "lesser square" method or something like 
that, applied between the 2 extreme points, avoiding vertical 
and horizontal lines.

for example, an ideal function could remove existing points 
one by one till a certain amount of error.

is there a function able to simplify a line this way ?

Sebastien MARAUX
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