Re: Labeling individual plot points using PlotMarkers
- To: mathgroup at smc.vnet.net
- Subject: [mg78624] Re: Labeling individual plot points using PlotMarkers
- From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
- Date: Thu, 5 Jul 2007 04:14:22 -0400 (EDT)
- Organization: Uni Leipzig
- References: <f6fqp2$8nh$1@smc.vnet.net>
- Reply-to: kuska at informatik.uni-leipzig.de
Hi, Graphics[MapThread[ Tooltip[Point[#1], #2] &, {{{{1, 2}, {1, 2}}, {{6, 9}, {6, 9}}, {{7, 10}, {7, 10}}}, {"\[Alpha]", "\[Beta]", "\[Gamma]"}}], Frame -> True] make tool tips on the points. Regards Jens Nazdrovje wrote: > I need to plot data measured by several subjects (using Mathematica 6). For > each subject (on the x-axis) I want to plot the maximum of a list of > observations and I want to label it with the position in the list > where this maximum value is reached. Getting these values is no > problem, but the labelling part is. I know I could program the labels > using Text or so with Epilog, but it looks so clumsy that I really > hate to do it in this way. ListPlot should be able to do its own > labeling, but it doesn't work for me. Since every dataset is just one > point (one subject, one maximum), ListPlot should be called as: > > ListPlot[{{{1, 2}}, {{6, 9}}, {{7, 10}}}]. > > The outer braces to indicate that various datasets follow, the next > deeper {} to indicate the data set and the deepest {} to indicate a > coordinate pair as opposed to single y-values. I get three points with > different colors as expected. Leave out the second level of braces and > they are considered the same data set and are colored the same. If I > now add a PlotMarker option like this: > > ListPlot[{{{1, 2}}, {{6, 9}}, {{7, 10}}}, PlotMarkers -> {"\[Alpha]", > "\[Beta]", "\[Gamma]"}] > > the results are unexpected. The first plotmarker is fine, but the > second and third contain both the intended symbols and the first one > combined. The following workaround yields the result I want, but it's > really an ugly kludge: > > ListPlot[{{{1, 2}, {1, 2}}, {{6, 9}, {6, 9}}, {{7, 10}, {7, 10}}}, > PlotMarkers -> {"\[Alpha]", "\[Beta]", "\[Gamma]"}] > > Anyone have a better idea to handle this? And is the overlapping > behaviour a bug? > >