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Re: How to show PolarPlot with circles coordinate
*To*: mathgroup at smc.vnet.net
*Subject*: [mg90089] Re: How to show PolarPlot with circles coordinate
*From*: "David Park" <djmpark at comcast.net>
*Date*: Sat, 28 Jun 2008 05:53:58 -0400 (EDT)
*References*: <g42erp$nor$1@smc.vnet.net>
The Presentations package has a DrawPolarGrid command. The user can control
the angular and radial ranges, subdivisions and labeling. The following
draws a polar curve on top of a polar grid. ComplexPolar[r,theta] is a
Presentations expression for representing complex numbers in polar form and
is usesful for making many plots.
Needs["Presentations`Master`"]
f[\[Theta]_] :=
5 + 2 Sin[\[Theta]] + Sin[2 \[Theta] + \[Pi]] +
Sin[5 \[Theta] + \[Pi]/4]
Draw2D[
{DrawPolarGrid[{ComplexPolar[0, 0 =B0], ComplexPolar[10, 360 =B0],
ComplexPolar[5, 45 =B0], {5, 5}}],
Red,
PolarDraw[f[\[Theta]], {\[Theta], 0, 2 \[Pi]}]},
PlotRangePadding -> 1,
PlotLabel -> f[\[Theta]],
ImageSize -> 300]
This particular polar grid goes from 0 < r < 10 and 0 Degree < theta < 360
Degree with labeled positions spaced by delta r = 5 and delta theta == 45
Degree. There are 5 subdivisions in both the r and theta directions. The
labeled coordinates are drawn with black lines and the subdivisions are
drawn with very faint gray lines.
--
David Park
djmpark at comcast.net
http://home.comcast.net/~djmpark/
"Galaxia" <forgalaxia at gmail.com> wrote in message
news:g42erp$nor$1 at smc.vnet.net...
> The PolarPlot of Mathematica gives still the X-Y axes coordinate. Is
> there any way to plot the figure with coordinate system with rays and
> circle target? Thanks.
>
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