| Re: Pan/Zoom Line Plots with Coyote Graphics [message #80220 is a reply to message #80153] |
Tue, 22 May 2012 03:49   |
Fabzi
Messages: 305
Registered: July 2010
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Senior Member |
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Hi David,
Nice! Retirement seems to inspire you ;-)
The linestyle keyword doesn't work: cgZPlot, cgDemoData(1), LINESTYLE=1
Will it be possible some day to make an overplot or to add a legend to
the plot, or not?
Thanks a lot!
Fab
On 05/21/2012 11:11 PM, David Fanning wrote:
> David Fanning writes:
>
>> At my new job, we had a need to be able to zoom into a
>> lot of data very quickly and then pan around the data
>> to see what points are in the immediate vicinity.
>
> I modified this Zoom/Pan program this morning to add
> more functionality. There is now a multiple REDO functionality
> to go along with the multiple UNDO functionality that was
> previously in the program.
>
> Also, I added the ability to "adjust" the Y range of the
> zoomed-in plot, to accommodate the minimum and maximum
> data values of the data in the X range view of the data.
> Combined with the UNDO/REDO, this gives you a way to zoom
> into the data very closely, but to back out to see an "overview"
> of the actual data in the view's X range, then UNDO that to return to
> your close-in view of the data itself. The data adjustment,
> UNDO, and REDO can be done with buttons in the pull-down menu
> or by using accelerator keys (very fast!!). We use this
> to good effect with lidar data.
>
> I also realized that people might want to use this
> functionality in their own widget programs. (So you could
> look at multiple files, for example.) So, I have added a
> PARENT keyword that allows you to specify your own parent
> widget for this display window. Essentially, this program
> becomes an interactive Zoom/Pan line plot window in your
> own program. (It is a compound widget object, if you like.)
> Here is a very simplified program that demonstrates how to
> do this.
>
> PRO Test
> tlb = Widget_Base(Title='My Program')
> cgZPlot, cgDemodata(1), PSYM=2, Color='dodger blue', Parent=tlb
> Widget_Control, tlb, /Realize
> Widget_Control, 'myprogram', tlb, /NoBlock
> END
>
> You can download the updated program here:
>
> http://www.idlcoyote.com/programs/cgzplot.pro
>
> Cheers,
>
> David
>
>
>
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