Re: VectorFieldPlot Arrows
- To: mathgroup at smc.vnet.net
- Subject: [mg83612] Re: VectorFieldPlot Arrows
- From: Albert <awnl at arcor.net>
- Date: Sun, 25 Nov 2007 04:29:04 -0500 (EST)
- References: <fhu8fn$7ng$1@smc.vnet.net> <fi8pl9$gvj$1@smc.vnet.net>
Hi,
> (* save the Mathematica graphics commands *)
> VFPgrapfixCommands = VectorFieldPlot[{Sin[x], Cos[y]}, {x, 0, 2 \
> [Pi]}, {y, 0, 2 \[Pi]}];
>
> - look inside the commands..lo and behold they contain the stuff you
> are looking for
>
> (* look at them *) ?VFPgrapfixCommands
>
> - these dumps give you the primitives you are looking for
>
> VFPgrapfixCommands[[1, 2]]
> VFPgrapfixCommands[[1, 2]]
>
adding to this helpful advice I want to mention that, when remembering
that graphics are just ordinary mathematica expressions, you can scale
all arrow heads by a common factor with a simple replacement like this:
VectorFieldPlot[{Sin[x], Cos[y]}, {x, 0, 2 Pi}, {y, 0, 2 \[Pi]}] /.
Arrowheads[x__] :> Arrowheads[0.75*x]
hth,
albert