SmoothUV Questions

[Derailed]

Is there a way to use double values instead of integer values for the radius function in smoothuv? I only want to do this for precision's sake...under radius = 2 i get far too much color bleeding for my tastes...and under radius=1...all rainbows remain. Here is the line I am using:

MergeChroma(Reduceby2().SmoothUV(Radius=2).ConvertToYUY2().SpatialSoften(7,0,50).blur(1.5).ConvertToYV12().LanczosResize(720,480))

It's a bit long...but it seems to work best so far for the source I have. I would like to mention I placed this after ivtc and before crop/resizing.

Would also like to know if field=true is the default boolean value for this plugin.

[Derailed]

Forgot to mention that I have also tried just using smoothuv alone.
Also tried derainbow...but I was getting weird color effects in high motion scenes. Can't find a working antiblink2.dll anywhere. Tried Guavacomb as well but it did absolutely nothing. SmoothIQ did nothing for some reason. May be that the filter i downloaded is corrupt.

Here are the lines of code I used for all of those:

SmoothUV:
SmoothUV(radius=2)

GuavaComb: (Before IVTC)
SeparateFields()
GuavaComb(Mode="NTSC",Recall=80,MaxVariation=23,Activation=70)
Peachsmoother()
Weave()

SmoothIQ
SmoothIQ(11,200,false)