Re: polarplot with arrow bearing tickmarks

*To*: mathgroup at smc.vnet.net*Subject*: [mg127208] Re: polarplot with arrow bearing tickmarks*From*: van zano <L.Balzano at gmail.com>*Date*: Sun, 8 Jul 2012 19:04:48 -0400 (EDT)*Delivered-to*: l-mathgroup@mail-archive0.wolfram.com*Delivered-to*: mathgroup-newout@smc.vnet.net*Delivered-to*: mathgroup-newsend@smc.vnet.net*References*: <201207070928.FAA20581@smc.vnet.net> <jtb76p$1cc$1@smc.vnet.net>

I would like to have an arrow with tickmarks on top (i.e. calibrated). for this specific application, I do not want the tickmarks to be on the x or y axis. L On Sunday, July 8, 2012 7:52:25 AM UTC+2, Murray Eisenberg wrote: > Unclear what you want for the arrow, but why not use something like > > Epilog -> Arrow[{{0,0},{x,y}}] > > within the PolarPlot? You'll need to explain just what you want in order > to specify the {x,y} of the head end. And since you use dynamic > terminology "moves outward", presumably you'll want either a Manipulate > where the angle is the control variable, or an equivalent DynamicModule > version of that. > > On 7/7/12 5:28 AM, van zano wrote: > > dear all, > > I would like to decorate this polarplot with an arrow that starts at the origin and moves outwards at a certain angle (phi). it would be great if the arrow could also have tickmarks. > > does anyone have a solution? > > > > PolarPlot[ > > 1/(10*Sin[t]^4 + -1*Cos[t]^2*Sin[t]^2 + 0.1*Cos[t]^4 + > > 5*Cos[t]^2*Sin[t]^2), {t, 0, 2*Pi}, > > PlotRange -> All, > > PlotStyle -> {{Red, AbsoluteThickness[4]}}] > > > > thanks! L > > > > > -- > 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**:**polarplot with arrow bearing tickmarks***From:*van zano <L.Balzano@gmail.com>