From: Neil Crighton <neilcrighton@gm...>  20080524 09:04:53

Thanks! I also found the description under the class RegularPolyCollection in collections.py: * sizes gives the area of the circle circumscribing the regular polygon in points^2 Neil Manuel wrote: > Hi Neil, > > good eyes ;) Have a look at the scatter documentation: > > "s is a size in points^2. It is a scalar > or an array of the same length as x and y." > > Manuel > > Neil Crighton wrote: >> I'd like to plot values where the area of a marker is proportional to >> some value. How is the size value given in, say: >> >> scatter(x,y,'o',s=10) >> >> used to generate the markers? By eye it looks like the size value is >> proportional to the area (i.e. proportional to the radius squared for >> circle markers), but it would be nice to know for sure. > 