Re: Setting plot options with RuleDelayed/Rule does not work

*To*: mathgroup at smc.vnet.net*Subject*: [mg80072] Re: Setting plot options with RuleDelayed/Rule does not work*From*: dimitris <dimmechan at yahoo.com>*Date*: Sun, 12 Aug 2007 07:09:13 -0400 (EDT)*References*: <f9jl98$3e7$1@smc.vnet.net>

On 11 , 09:34, Markus Huber <m... at gmx.at> wrote: > Hello, > > I discovered the following behavior of Mathematica which I do not > understand concerning options of plot commands: > > I want to set the Background option for Plot to a color using > RuleDelayed (I want to use RuleDelayed because instead of Red I plan > on using a variable), e.g. > > SetOptions[Plot, Background :> Red] > > This does not work when using Plot: > > Plot[x, {x, 0, 1}] > > plots something but gives the error "The specified setting for > GraphicsBoxOptions, Background cannot be used". > Interestingly > > Plot[x, {x, 0, 1},Background:>Red] > > as well as (Rule instead of RuleDelayed) > > SetOptions[Plot, Background -> Red] > Plot[x, {x, 0, 1}] > > work. What confuses me also is the fact that for other Options this > proble does not occur, e.g. I tried it with PlotLabel. ListPlot also > shows this behavior (and I guess more plot functions). > > Can anybody explain this behavior or it is a bug in M6? > > Regards, > Markus Huber Sorry but I can't understand what you want. Can you give an example about how you plan to use > SetOptions[Plot, Background :>Red] in your application? Dimitris