Heat Maps

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TNG has added Heat Maps to the Places, Surnames, and Search results pages.

From the TNG V11 Change Log

61 Places: Heat maps have been added to the Places, Surnames and Search Results pages to show the global distribution of surnames and places.

From the TNG Blog

Heat Maps: Color codes on the Places, Surnames and Search Results pages now show the global distribution of surnames and places.

Definition of Heat Map

A heat map is a graphical representation of data where the individual values contained in a matrix are represented as colours.

From places.php the "Heat Map" link appears under the Search box. This seems to almost duplicate the functionality of the World Map Mod - except what places to show can't be chosen.

Visualization

Places

You can use the Heat Map button on the Places screen to get a Heat Map of places that are geocoded. Note that the Heat Map will not show places that do not have a latitude and longitude coded.

TNG V11 Heat map places button.png

TNG V11 Heat map places.png

You can click on any of the numbers in the heat map to zoom in.

TNG V11 Heat map places zoom-in.png

Surnames

You can use the Heat Map button on the Surnames search result screen to get a Heat Map of places the people with the surname lived, if the places are geocoded, i.e the places have a latitude and longitude assigned.

TNG V11 Heat map surnames button.png

TNG V11 Heat map surnames.png

You can click on any of the numbers in the heat map to zoom in.

TNG V11 Heat map surnames zoom-in.png