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{{Third-party addon}}
{{man label|Heatmap}} is a web report which creates an [https://wiki.openstreetmap.org/wiki/Slippy_Map interactive map] containing a [https://wikipedia.org/wiki/Heat_map heatmap] generated from Gramps event place data.
[[File:Heatmap webreport 51.jpeg|thumb|right|450px|Heatmap report ([https://stamen.com/about/ Stamen Design] Terrain map tiles) example]]<!-- how do I create this example, my attempts show the map zoomed out (I've selected all events and have the entire database selected) but I'm unable to find the heatmap!-->
==Usage==
** To restrict {{icon|peop}}Person results to match the "<code>Ancestors of <selected person></code>" filter. <br />Other filters include the "<code>Descendants of <selected person></code>" or any of the [[Gramps_{{man version}}_Wiki_Manual_-_Filters#Custom_Filter_Editor|custom filter]] for the Person category.
* {{man label|Filter Person:}} Sets the <code><selected person></code> for the filter. <br />This ''defaults'' to the currently [[Gramps_Glossary#active_person|Active Person]].
**{{man button|{{icon|share}}Select Existinga different person}} button opens the {{man label|[[Addon:HeatmapWebReport#Select_a_person_for_the_report_dialog|Select a person for the report]]}} dialog that allows the <code><selected person></code> to be changed. * {{man label|Name format:}}
* {{man label|Map tiles:}} Changes the Map Service providing the HeatMap overlay processing and the appearance of the map backdrop.<br /><br />Map Service selections include:
**'''OpenStreetMap''' (default)
**CartoDB Positron
**CartoDB DarkMatter
* {{man label|Point size:}} <code>15</code> Set the size of the heatmap points.
** {{man button| - (Decrease)}} / {{man button| + (Increase)}}
* {{man label|File path:}} The file directory where the Web Page file should be saved.
* Help button goes to https://gramps-project.org/wiki/index.php?title=Gramps_6.0_Wiki_Manual_-_Reports#Heatmap
== See also = Development history ===
* GitHub pre-release: New web report (Heatmap) [https://github.com/gramps-project/addons-source/pull/470 #470]
* [https://gramps.discourse.group/t/hotspot-heatmap-for-event-clusters/776 Hotspot heatmap for event clusters] Discourse forum thread]- October 2020* It avoids new libraries by using a folium/leaflet generated html file as template.** [https://leafletjs.com/ Leaflet]
== See also ==
* Gramps addons by Matthias Kemmer
** [https://mattkmmr.github.io/gramps-addons-listings/Gramps Addons web catalog]