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Re: Legend for plot [message #67999 is a reply to message #67981]

Fri, 11 September 2009 08:42

penteado
Messages: 866
Registered: February 2018

Senior Member
Administrator

On Sep 11, 3:52 am, "b.a" <u4565...@anu.edu.au> wrote:
> Hi,
>
> Does anyone know how to place a legend (annotation) inside a draw
> widget? The legend that I use is somehow like this:
>
> mywindow = OBJ_NEW ( ' IDLgrWindow ' )
> myview = OBJ_NEW ( ' IDLgrView ' )
>
> itemNameArr = ['One', 'two']
>
> myLegend = OBJ_NEW ( ' IDLgrLegend ' , itemNameArr, /
> SHOW_OUTLINE)
>
> myview->Add, myLegend
> mywindow->Draw, myview
>
> and I have a Widget_draw that contains my plots (curves):
>
> dr_window = WIDGET_DRAW ( tlb , UVALUE= 'draw' )
>
> I know that by " mywindow->Draw, myview " the legend appears in
> separate window (like an image) but I couldn't find any way to place
> it inside my plot window (the widget_draw).

You need to add graphics_level=2 to the call to widget_draw, to make
it a window for object graphics. Then the draw widget's value will be
the window object where you should draw your view:

myview = OBJ_NEW ( ' IDLgrView ' )
itemNameArr = ['One', 'two']
myLegend = OBJ_NEW ( ' IDLgrLegend ' , itemNameArr, /SHOW_OUTLINE)
myview->Add, myLegend
dr_window = WIDGET_DRAW ( tlb , UVALUE= 'draw' , graphics_level=2)
widget_control,dr_window,get_value=mywindow
mywindow->Draw, myview

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[Message index]

		Re: Legend for plot By: b.a on Tue, 15 September 2009 22:49
		Re: Legend for plot By: penteado on Tue, 15 September 2009 21:40
		Re: Legend for plot By: penteado on Tue, 15 September 2009 21:19
		Re: Legend for plot By: b.a on Tue, 15 September 2009 17:58
		Re: Legend for plot By: penteado on Fri, 11 September 2009 08:42
		Re: Legend for plot By: penteado on Wed, 16 September 2009 19:57

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