Re: Locator appearance
- To: mathgroup at smc.vnet.net
- Subject: [mg109197] Re: Locator appearance
- From: Albert Retey <awnl at gmx-topmail.de>
- Date: Fri, 16 Apr 2010 05:53:08 -0400 (EDT)
- References: <hq61mh$3fv$1@smc.vnet.net>
Am 15.04.2010 05:37, schrieb Alexei Boulbitch:
> Dear community,
>
> I use Locator to pick up some points of the graph originated form
> experiment. In this case I would like to slightly modify the Locator
> appearance, since the gray ring on its background sometimes prevents me
> from seeing the point I want to pick up. I would like to leave its cross
> structure as it is at present, but to remove the gray ring. As an
> alternative, the inned (and may be, the outer) diameter of the gray ring
> could be increased.
>
> Do you have any idea of how to do this?
>From the usage message:
Locator[{x,y},obj] displays obj as the locator object.
you can use an graphics as a locator, but I don't think that you can
just change the appearance (except for the overall size) as you have asked.
Graphics[{Locator[Dynamic[x],
Graphics[{Line[{{{-1, 0}, {1, 0}}, {{0, -1}, {0, 1}}}]},
ImageSize -> 15]]},
Frame -> True, PlotRange -> 1
]
hth,
albert