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Re: VectorStyle for centered vector tail?

  • To: mathgroup at smc.vnet.net
  • Subject: [mg94235] Re: VectorStyle for centered vector tail?
  • From: Stoney Ballard <stoneyb at gmail.com>
  • Date: Mon, 8 Dec 2008 06:25:03 -0500 (EST)
  • References: <ghdmst$fog$1@smc.vnet.net> <ghf75b$phv$1@smc.vnet.net>

On Dec 6, 7:59 pm, ucer... at gmail.com wrote:
> For now you can use:
>
> ListVectorPlot[Table[{y, -x}, {x, -3, 3, 0.2}, {y, -3, 3, 0.2}],
>    VectorStyle -> (# <> "Arrow")] & /@ {"", "Left", "Center", "Right"=
}
>
> This will get documented/improved in future releases.
>
> -Ulises Cervantes
> WRI

Very interesting. I see that these prefixes work with all the named
settings listed in the help. Unfortunately, using a named setting
seems to ignore any ArrowHead specification. I was able to get a pin
plot with:

ListVectorPlot[Table[{y, -x}, {x, -3, 3, 0.5}, {y, -3, 3, 0.5}],
  VectorStyle -> "RightDot"] /. Disk[p_, r_] -> Disk[p, 0.08]

But that's somewhat fragile. Is there any way to get this effect
(constant radius disk at grid locations) directly?

Thanks!


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