Re: framed plots with two y axes scales
- To: mathgroup at smc.vnet.net
- Subject: [mg79956] Re: framed plots with two y axes scales
- From: "Chris Chiasson" <chris at chiasson.name>
- Date: Thu, 9 Aug 2007 05:28:53 -0400 (EDT)
- References: <acbec1a40708082003m7cd87835y13c699611eb2bd79@mail.gmail.com>
In addition, the last example I gave shows that the same setting for FrameTicks is actually giving ticks with different labels, too. What's up with this program? On 8/8/07, Chris Chiasson <chris at chiasson.name> wrote: > Actually, I suspect a subtle error in Mathematica's code instead of > mine, since I think the following plots should have identical tick > sizes: > > Plot[t,{t,0,2},Frame->True] > Show[%,AbsoluteOptions[%,FrameTicks]] > > On 8/8/07, Chris Chiasson <chris at chiasson.name> wrote: > > In the old version of Mathematica, I used David Park's Draw Graphics > > package to obtain graphs with two y axes scales. I was successful in > > making these graphs without the package in the new version, but my > > technique involves a lot of code. Is there a cleaner way, such as > > being able to specify a scaling factor between both sides? > > > > Simple example: > > Height of a ball thrown straight up in a gravitational field with some > > initial velocity and no drag: > > > > plotExpr=h@t/.DSolve[m h''@t==-m g&&h'@0==v0&&h@0==0,h,t]/.{g->9.80665,v0->10} > > labelRightAxisTicks=Function[gr,With[{frameTicks=FrameTicks/.AbsoluteOptions[gr,FrameTicks],cf=3.2808},Show[gr,FrameTicks->Append[Drop[frameTicks,-1],{#1,If[#2=!="",SetPrecision[#1 > > cf,3],""],##3}&@@@frameTicks[[2]]]]]] > > Plot[Evaluate@plotExpr,{t,0,2},Frame->True,FrameLabel->{"t (s)","h > > (m)",None,"h (ft)"}] > > labelRightAxisTicks@% > > > > Also, I suspect a subtle error in my code because the tick marks are > > not the size they should be (relative to the plot area). > > > > > > -- > > http://chris.chiasson.name/ > > > > > -- > http://chris.chiasson.name/ > -- http://chris.chiasson.name/