Contour lines for scatter plots??

Discussion and support for i2 Standard and i2 Pro applications

Contour lines for scatter plots??

Postby marksdoran on Thu Jun 11, 2020 9:49 am

I know you can set up grid lines on scatter plots but those are rectilinear. For something like a G/G plot it would be more useful to have contour lines (like on an Ordnance Survey relief map [atlas type map]) centered on 0,0 that would show constant radius "grid" from the 0,0 centroid. Think: make a plot like a the G/G ball widget from the video overlay. You could generalize this so that properties would allow the center could be offset and contour intervals could be varied; both with fairly simple value entry boxes in the dialog.

The reason this comes up is that it's actually pretty imprecise to set up a scatter plot so the x/y scale ratios are "square" so that the plot doesn't look artificially oblong which in turn makes it more visually tricky to see, in the case of the G/G plot for instance, when you are riding the edge of the circle (ahem, oval?? egg??).

Is this possible already and I missed it or is it something that could be added?? I know someone else asked for JPG backdrops for scatter plots...I guess that might be useful for this aside from the fact that getting the axis aspect ratios would still be a bit by-eye.
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Re: Contour lines for scatter plots??

Postby adrian on Thu Jun 11, 2020 10:16 am

I'll add it to our feature tracking system.
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Re: Contour lines for scatter plots??

Postby kristap on Wed Oct 27, 2021 5:13 am

Sorry to kick a dead thread .... wondering if this might be in the works or not. :)
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Re: Contour lines for scatter plots??

Postby adrian on Wed Oct 27, 2021 10:55 am

This is still in the system as a feature request (ie it hasn't been rejected) but it also hasn't been implemented.

I'll flag it again, but at this stage I don't know when or if it will be implemented.
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