Re: Arrows on curves
- To: mathgroup at smc.vnet.net
- Subject: [mg84198] Re: Arrows on curves
- From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
- Date: Thu, 13 Dec 2007 05:51:05 -0500 (EST)
- Organization: Uni Leipzig
- References: <fjqjha$6oh$1@smc.vnet.net>
- Reply-to: kuska at informatik.uni-leipzig.de
Hi,
there are 2d arrows as to see from
Graphics[Arrow[{{1, 0}, {2, 1}, {3, 0}, {4, 1}}]]
ParametricPlot[
{Cos[phi], Sin[phi]}, {phi, 0, Pi}] /. Line[lst_] :> Arrow [lst]
and the 50$ package is worth every dollar ...
Regards
Jens
willywutang at gmail.com wrote:
> Hi,
>
> I am plotting a parametric curve in 3D space, and I want to simply
> place an arrowhead along the curve to show the curve's orientation.
>
> I tried searching for information on this, and I discovered that there
> is a package one could purchase for $50 to get this to work. However,
> I am very new to using Mathematica, and thus I'm not sure that I
> really need to buy that package at this point. After all, I just want
> an arrowhead.
>
> Is there really no way to place an arrow along a curve using the stand-
> alone packages? I would find that very strange, considering all the
> fancy bells and whistles that Mathematica has.
>
> What if the curve is in 2D instead of 3D? Can we place arrows then?
>
> Thank you,
>
> Will
>