GMap demo

Lots of examples:

https://semantic-mediawiki.org/wiki/Maps_examples

New:

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Loading map...

{"minzoom":false,"maxzoom":false,"mappingservice":"leaflet","width":"400px","height":"300px","centre":false,"title":"","label":"","icon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"zoom":17,"defzoom":14,"layers":["OpenStreetMap"],"image layers":[],"overlays":[],"resizable":false,"fullscreen":false,"scrollwheelzoom":true,"cluster":false,"clustermaxzoom":20,"clusterzoomonclick":true,"clustermaxradius":80,"clusterspiderfy":true,"geojson":"","clicktarget":"","imageLayers":[],"locations":[{"text":"","title":"","link":"","lat":40.44625,"lon":-104.63708,"icon":""}],"imageoverlays":null}

KML Sidebar Map

{{#Widget:KMLsidebarmap |file=http://www.chill.colostate.edu/kml/20080522/CHL_1823_dBZ_5.kml |file=http://www.chill.colostate.edu/kml/20080522/CHL_1823_Vel_5.kml |defaultmap=true |sidebarwidth=50 |mapwidth=400 }}

Image overlay without KML

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{"minzoom":false,"maxzoom":false,"mappingservice":"leaflet","width":"auto","height":"350px","centre":false,"title":"","label":"","icon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"zoom":false,"defzoom":14,"layers":["OpenStreetMap"],"image layers":[],"overlays":[],"resizable":false,"fullscreen":false,"scrollwheelzoom":true,"cluster":false,"clustermaxzoom":20,"clusterzoomonclick":true,"clustermaxradius":80,"clusterspiderfy":true,"geojson":"","clicktarget":"","imageLayers":[],"locations":[{"text":"\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003ECHILL\n\u003C/p\u003E\u003C/div\u003E","title":"CHILL\n","link":"","lat":40.44625,"lon":-104.63708,"icon":""}],"imageoverlays":null}

Loading map...

{"minzoom":false,"maxzoom":false,"mappingservice":"leaflet","width":"auto","height":"350px","centre":false,"title":"","label":"","icon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"zoom":false,"defzoom":14,"layers":["OpenStreetMap"],"image layers":[],"overlays":[],"resizable":false,"fullscreen":false,"scrollwheelzoom":true,"cluster":false,"clustermaxzoom":20,"clusterzoomonclick":true,"clustermaxradius":80,"clusterspiderfy":true,"geojson":"","clicktarget":"","imageLayers":[],"locations":[{"text":"\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003ECHILL\n\u003C/p\u003E\u003C/div\u003E","title":"CHILL\n","link":"","lat":40.44625,"lon":-104.63708,"icon":""}],"imageoverlays":null}