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Anyone know the origins of the attached heatmap/daylight overlay? I see it on the Mathematica homepage all the time and I even saw it once on Wolfram|Alpha launch video. I know there are ways to generate both heatmaps and daylight overlays, but does Mathematica have built in functionality that does something like this?

Heatmap

Yes, I realize this might be an odd question, but it's been bugging me for a while...

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Not exactly built-in, but somebody did ask a question on generating the day/night terminator in Mathematica a while back... –  J. M. Nov 16 '12 at 5:28
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Next time, please ask such casual questions in the Mathematica chatroom :) –  rm -rf Nov 16 '12 at 6:04
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closed as not a real question by Ajasja, rcollyer, Oleksandr R., rm -rf Nov 17 '12 at 22:19

It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, visit the help center.If this question can be reworded to fit the rules in the help center, please edit the question.

1 Answer

There is much more to this image than meets the eye. To get the complexity and scope of this project (much beyond heat-maps), watch free video Development: Enterprise-Class Web Applications about this particular project and download presentation slides notebook. Below are a few screenshots from the presentation showing some cool parts of the same dashboard that you probably have not seen before yet. Also, for just day-night app take a look at this Demonstration: Day and Night World Clock by Yu-Sung Chang - the same person who gives the presentation.

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