RE: Re: Clever Tricky Solutions
- To: mathgroup at smc.vnet.net
- Subject: [mg94272] RE: [mg94231] Re: Clever Tricky Solutions
- From: "David Park" <djmpark at comcast.net>
- Date: Tue, 9 Dec 2008 07:01:09 -0500 (EST)
- References: <27271771.1228394784179.JavaMail.root@m02> <ghavpg$o9j$1@smc.vnet.net> <ghg9c3$hos$1@smc.vnet.net> <33504871.1228737463217.JavaMail.root@m02>
Helen, With the Presentations package the Draw2D and Draw3DItems statements DO have the built-in option PlotRange -> Automatic. And users can very easily combine graphics primitives from different plot types and mix them with their own primitives and directives. So, my question is: How much time have you and your students actually spent on this problem? David Park djmpark at comcast.net http://home.comcast.net/~djmpark/ From: Helen Read [mailto:hpr at together.net] congruentialuminaire at yahoo.com wrote: > OK Helen: > > I do vaguely remember something about this. Of course, your students > can use SetOptions[Plot, PlotRange->All] or the like. But the default for Plot (and PolarPlot, ParametricPlot, Plot3D, etc.) is *already* PlotRange->Automatic. The problem is that by default Show no longer combines the PlotRanges automatically, but instead simply takes the PlotRange from the first graphic. > But what is not clear to me is: > > - both V5.2 and V6 evaluate Options[Plot,PlotRange] to Automatic. So > it seems that the default PlotRange default itself has *not* changed; > just the meaning of the default [i.e. Automatic] is different now!?! It is the behavior of Show that has changed, and since PlotRange is not even an option for Show (despite the fact that one can set a PlotRange within Show), there is no way to change this with SetOptions. -- Helen Read University of Vermont