Re: 6.0 Get Graphics Coordinates...
- To: mathgroup at smc.vnet.net
- Subject: [mg77996] Re: 6.0 Get Graphics Coordinates...
- From: "alexxx.magni at gmail.com" <alexxx.magni at gmail.com>
- Date: Thu, 21 Jun 2007 05:38:48 -0400 (EDT)
- References: <f4on38$7sg$1@smc.vnet.net><200706140911.FAA05973@smc.vnet.net>
This is a beautiful solution! Can you please help me to understand how to install it under the "Palettes" menu? If I do simply Install Palette -> From Clipboard (after having copied there your code) it crashes Mathematica with SIGSEGV ... thanks! Alessandro Magni On 20 Giu, 12:21, "Ingolf Dahl" <ingolf.d... at telia.com> wrote: > Here is my suggestion: > I have created a Matematica-6 palette with three buttons, intended to mimic > the GetGraphicsCoordinates from Mathematica 5. > > Use: > 1. Select a graphics cell and press the "Add LocatorPane" button. > 2. Press "Alt" and click the mouse to add or delete point ("locators") to > the graphics. > 3. Press the "Copy locator position" to copy a list of the locator > coordinates to the Clipboard. > 4. Select a graphics cell and phe "Remove LocatorPane" to reset the graphics > to initial conditions (if you want to do that) > > You get the flexibility that it is possible to adjust the position of the > locators. It seems necessary to start with one point present. I have chosen > to put this point at {0,0}. > > Best regards > > Ingolf Dahl > > Code follows: > > CreatePalette[ > Column[{Button["Add LocatorPane", > SelectionMove[InputNotebook[], All, CellContents]; > NotebookWrite[ > InputNotebook[], (DynamicModuleBox[{$CellContext`pts$$ = {{0., > 0.}}}, LocatorPaneBox[Dynamic[$CellContext`pts$$], #, > LocatorAutoCreate -> True], DynamicModuleValues :> {}]) &@ > NotebookRead[InputNotebook[]]]], > "Use Alt+Click to add or delete locators!", > Button["Copy locator positions", > FrontEndExecute[FrontEndToken["Copy"]]; > SelectionMove[InputNotebook[], All, CellContents]; > Module[{b}, b = NotebookRead[InputNotebook[]]; > If[And[Length[b] >= 3, MatchQ[b[[2]], _LocatorPaneBox]], > b = b[[1, 1]]; > SelectionMove[ClipboardNotebook[], All, Notebook]; > NotebookWrite[ClipboardNotebook[], ToBoxes[b], All]; > SelectionMove[ClipboardNotebook[], All, Notebook]]]], > Button["Remove LocatorPane", > SelectionMove[InputNotebook[], All, CellContents]; > Module[{b}, b = NotebookRead[InputNotebook[]]; > If[And[Length[b] >= 3, MatchQ[b[[2]], _LocatorPaneBox]], > NotebookWrite[InputNotebook[], b[[2, 2]]]]]], > Dynamic[MousePosition["Graphics"]]}], > WindowTitle -> "Get Graphics Coordinates"]; > > > -----Original Message----- > > From: Murray Eisenberg [mailto:mur... at math.umass.edu] > > Sent: den 17 juni 2007 12:12 > > To: mathgr... at smc.vnet.net > > Subject: Re: 6.0 Get Graphics Coordinates... > > > That use of Tooltip merely displays the coordinates of the > > point. It does not save it in a buffer from which one can > > later paste it. > > > David wrote: > > > Murray Eisenberg wrote: > > >> Useless?? Hardly! Surely just doing Plot[...] and then > > >> Ctrl-clicking is a lot easier for a beginner (e.g., a > > student using > > >> Mathematica) than to deal with a Dynamic object. > > > >> On the other hand, and apart from the issue of what to do with > > >> Ctrl-click when the graphics object is dynamically > > generated, there > > >> would seem to be a design issue: Now, in 6.0, > > Ctrl-mouse-button-down > > >> is the start of a zoom-in/zoom-out for a 3D graphic. > > > >> Jens-Peer Kuska wrote: > > >>> Hi, > > > >>> it has been droped because it is useless try > > > >>> gr = Plot[Sin[x^2], {x, 0, 2 Pi}]; > > > >>> and > > > >>> DynamicModule[{pnt = {0, 0}}, > > >>> gr /. Graphics[gg_, opts___] :> > > >>> Graphics[Append[gg, Tooltip[Locator[Dynamic@ pnt], > > Dynamic@ pnt]], > > >>> Prepend[Prepend[{opts}, PlotLabel -> Dynamic[pnt]], > > >>> AxesLabel -> {Dynamic[First[pnt]], Dynamic[Last[pnt]]}]] > > >>> ] > > > >>> and > > > >>> DynamicModule[{pts = {{0, 1/2}, {2, 1/2}}}, > > LocatorPane[Dynamic[pts], > > >>> gr, LocatorAutoCreate -> True]] > > > >>> Alt-Mouse click will add points .. > > > >>> Regards > > >>> Jens > > > >>> roby.no... at gmail.com wrote: > > >>>> hello, what happened to: > > >>>> 5.2 Get Graphics Coordinates... > > > >>>> in version 5.2 you could click inside a graphic and when holding > > >>>> down the <Ctrl> key the coordinates of the cursor within the > > >>>> graphics would be displayed. you could then click with the mouse > > >>>> and every clicked position got saved in a buffer. then you could > > >>>> copy and paste the saved coordinates as a list of number pairs. > > > >>>> regards robert > > > > How about the following simple alternative? It closely approximates > > > the display of points available in pre-6.0, but only shows actual > > > points on the curve (a benefit for me). > > > > Plot[Tooltip[Sin[x], Dynamic[MousePosition["Graphics"]]], > > {x, 0, 10}] > > > -- > > Murray Eisenberg mur... at math.umass.edu > > Mathematics & Statistics Dept. > > Lederle Graduate Research Tower phone 413 549-1020 (H) > > University of Massachusetts 413 545-2859 (W) > > 710 North Pleasant Street fax 413 545-1801 > > Amherst, MA 01003-9305
- Follow-Ups:
- RE: Re: 6.0 Get Graphics Coordinates...
- From: "Ingolf Dahl" <ingolf.dahl@telia.com>
- RE: Re: 6.0 Get Graphics Coordinates...
- References:
- Re: 6.0 Get Graphics Coordinates...
- From: Jens-Peer Kuska <kuska@informatik.uni-leipzig.de>
- Re: 6.0 Get Graphics Coordinates...