Re: Any way to exclude branch-cut fills in this plot?

*To*: mathgroup at smc.vnet.net*Subject*: [mg80434] Re: [mg80409] Any way to exclude branch-cut fills in this plot?*From*: Murray Eisenberg <murray at math.umass.edu>*Date*: Wed, 22 Aug 2007 04:48:09 -0400 (EDT)*Organization*: Mathematics & Statistics, Univ. of Mass./Amherst*References*: <200708210910.FAA14964@smc.vnet.net>*Reply-to*: murray at math.umass.edu

Did you try the Exclusions option? chuck009 wrote: > Here's a principle sheet plot of the Mathieu complex exponent: > > p4 = ParametricPlot3D[ > {Re[z], Im[z], Evaluate[Im[MathieuCharacteristicA[3, z]]]} /. > z -> r*Exp[I*t], {r, -10, 10}, {t, 0, 2*Pi}, > PlotPoints -> {40, 40}, > PlotRange -> All, Mesh -> All] > > Note the cliffs at the branch-cuts. Can anyone suggest a method to remove the fill to obtain a nice clean plot? > > Thanks! > Charles > -- Murray Eisenberg murray at math.umass.edu Mathematics & Statistics Dept. Lederle Graduate Research Tower phone 413 549-1020 (H) University of Massachusetts 413 545-2859 (W) 710 North Pleasant Street fax 413 545-1801 Amherst, MA 01003-9305

**References**:**Any way to exclude branch-cut fills in this plot?***From:*chuck009 <dmilioto@comcast.com>