Re: Fill between points in ListPointPlot3D not working?
- To: mathgroup at smc.vnet.net
- Subject: [mg84820] Re: Fill between points in ListPointPlot3D not working?
- From: "Nasser Abbasi" <nma at 12000.org>
- Date: Wed, 16 Jan 2008 03:19:36 -0500 (EST)
- References: <fmhpvt$bb6$1@smc.vnet.net>
"Gareth Russell" <russell at njit.edu> wrote in message news:fmhpvt$bb6$1 at smc.vnet.net... > Hi, > > I have a set of {x,y,z} data points to plot using ListPlointPlot3D. I > want to drop a line from each point to a value, zHat, representing the > expected z value for each {x,y} pair, obtained by a function. The > method I thought would work was to generate a matching set of > {x,y,zHat} triples, plot both sets of points, and use Filling to create > the line between each {z,zHat} pair. But I can't get the syntax to > work, despite the documentation making it seem easy. > > Using Mathematica's own data example, here's how to drop a line from > one set of points to the bottom of the plot, and not do anything with > the other set: > > ListPointPlot3D[{Table[Sin[j^2 + i], {i, 0, 3, 0.1}, {j, 0, 3, 0.1}], =E2= > =80=A8 > Table[Sin[j^2 + i] + 3, {i, 0, 3, 0.1}, {j, 0, 3, 0.1}]}, =E2=80=A8 Fill= > ing -> > {1 -> Bottom, 2 -> None}] > > Now, what I thought would work (and looks like it should, according to > the docs) is this: > > ListPointPlot3D[{Table[Sin[j^2 + i], {i, 0, 3, 0.1}, {j, 0, 3, 0.1}], =E2= > =80=A8 > Table[Sin[j^2 + i] + 3, {i, 0, 3, 0.1}, {j, 0, 3, 0.1}]}, =E2=80=A8 Fill= > ing -> > {1 -> None, 2 -> {1}}] > > {1} is suppose to represent the first 'object', which I take to mean > the first set of data. But instead I get this: > > Filling::invfilling: {1->None,2->{1}} must be Axis, Top, Bottom, > Automatic, a numerical or a list of valid Filling entries. >> > > I cannot get Filling to do the right thing. This: > > ListPointPlot3D[{Table[Sin[j^2 + i], {i, 0, 3, 0.1}, {j, 0, 3, 0.1}], =E2= > =80=A8 > Table[Sin[j^2 + i] + 3, {i, 0, 3, 0.1}, {j, 0, 3, 0.1}]}, =E2=80=A8 Fill= > ing -> > {1 -> None, 2 -> 1}] > > Just fills from the second set of points to the value "1". Any > thoughts, before I do it with graphics primitives? > > Thanks... > > -- > Gareth Russell > NJIT > First select the cell, then convert the cell to input form, then copy the cell "as text", then paste into your email message. Nasser