Re: Re: GridLines

*To*: mathgroup at smc.vnet.net*Subject*: [mg55283] Re: [mg55245] Re: GridLines*From*: "Wolf, Hartmut" <Hartmut.Wolf at t-systems.com>*Date*: Fri, 18 Mar 2005 05:34:04 -0500 (EST)*Sender*: owner-wri-mathgroup at wolfram.com

>-----Original Message----- >From: adamizer [mailto:adam.smith at hillsdale.edu] To: mathgroup at smc.vnet.net >Sent: Thursday, March 17, 2005 9:30 AM >To: mathgroup at smc.vnet.net >Subject: [mg55283] [mg55245] Re: GridLines > >Give this a try: ><<Graphics`Colors` > >I just load the above package to avoid having to use the >RGBColor[1,0,0] form for the different colors. I took the liberty of >showing how to dash the grids as well as change the colors. > >Plot[Sin[x], {x, 0, 10}, > GridLines -> {{Automatic, {Dashing[{0.05, 0.05}], > Yellow}}, {Automatic, {Dashing[{0.1, 0.1}], Green}}}]; > >I have noted at least one buggy behavior. The color only works with >the Automatic option. Without the color and dashing one can specify >specifically where to put the grids (similar to Ticks) with a list such >at: > >GridLines ->{{0,Pi,2 Pi,3 Pi},{-1,-0.5,0,0.5,1}} > >Which works fine. But I could not get Mathematica to do the >user-defined grid and colors. Maybe someone else out there knows how. > >Adam Smith >Steve Gray wrote: >> 1. Help says that the default color of GridLines is light blue, but >mine are black. ?? LightBlue >> would be much better. >> 2. Is there a way to control the color of GridLines in Show? There >seems to be no such thing as >> GridStyle, GridColor, GridLineStyle, etc. >> >> Thank you for any info. > > You then have to repeat the styles for each grid line spec.: Plot[Sin[x], {x, 0, 10}, GridLines -> {Map[ Prepend[{{Dashing[{0.05, 0.05}], Yellow}}, #] &, {2, 5, 8}], Map[Prepend[{{Dashing[{0.1, 0.1}], Green}}, #] &, {-.5, .5}]}, Background -> GrayLevel[.9]] -- or: Plot[Sin[x], {x, 0, 10}, GridLines -> {Outer[Sequence, {2, 5, 8}, {{Dashing[{0.05, 0.05}], Yellow}}, 1], Outer[Sequence, {-.5, .5}, {{Dashing[{0.1, 0.1}], Green}}, 1]}, Background -> GrayLevel[.9]] -- Hartmut Wolf