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Re: Re: Re: 6.0 Get Graphics Coordinates...
*To*: mathgroup at smc.vnet.net
*Subject*: [mg77981] Re: [mg77817] Re: [mg77755] Re: 6.0 Get Graphics Coordinates...
*From*: Murray Eisenberg <murray at math.umass.edu>
*Date*: Thu, 21 Jun 2007 05:30:59 -0400 (EDT)
*Organization*: Mathematics & Statistics, Univ. of Mass./Amherst
*References*: <f4on38$7sg$1@smc.vnet.net> <200706140911.FAA05973@smc.vnet.net> <f4tm2d$ira$1@smc.vnet.net> <200706160724.DAA25722@smc.vnet.net> <200706171011.GAA01990@smc.vnet.net> <002f01c7b310$60432410$6400a8c0@dahl1>
*Reply-to*: murray at math.umass.edu
Very nice!
But how can one save this palette? If I close it, it just goes away --
never asks to be saved -- even if I add the Saveable->True option.
Ingolf Dahl wrote:
> Here is my suggestion:
> I have created a Matematica-6 palette with three buttons, intended to mimic
> the GetGraphicsCoordinates from Mathematica 5.
>
> Use:
> 1. Select a graphics cell and press the "Add LocatorPane" button.
> 2. Press "Alt" and click the mouse to add or delete point ("locators") to
> the graphics.
> 3. Press the "Copy locator position" to copy a list of the locator
> coordinates to the Clipboard.
> 4. Select a graphics cell and phe "Remove LocatorPane" to reset the graphics
> to initial conditions (if you want to do that)
>
> You get the flexibility that it is possible to adjust the position of the
> locators. It seems necessary to start with one point present. I have chosen
> to put this point at {0,0}.
>
> Best regards
>
> Ingolf Dahl
>
> Code follows:
>
> CreatePalette[
> Column[{Button["Add LocatorPane",
> SelectionMove[InputNotebook[], All, CellContents];
> NotebookWrite[
> InputNotebook[], (DynamicModuleBox[{$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:murray at math.umass.edu]
>> Sent: den 17 juni 2007 12:12
>> To: mathgroup at smc.vnet.net
>> Subject: [mg77817] Re: [mg77755] 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.nowak 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 murray 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
>>
>>
>
>
--
Murray Eisenberg murray 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
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