otl-neighborhood-change

Side-by-side aerial views of Connecticut neighborhood change, 1934-present. Leaflet synchronized dual maps to display basemaps of same location over time, with geosearch and permalink features

Link

• https://ontheline.github.io/otl-neighborhood-change/index-caption.html

Embedded in On The Line book http://OnTheLine.trincoll.edu

• iframe height 500px

Based on template

• https://github.com/jackdougherty/leaflet-map-sync/

Replaces 2012 UConn MAGIC Google Map http://magic.lib.uconn.edu/otl/dualcontrol_aerialchange.html

Credits and dependencies

• Thanks @ilyankou for adding basemap switcher control, permalink control, maximum bounds
• jQuery https://jquery.com/
• Esri Leaflet for Esri imagery and labels https://github.com/Esri/esri-leaflet/
• L.Map.Sync v0.2.4 to synchronize map movements https://github.com/turban/Leaflet.Sync

Known issues

• Console warning: Mixed content (http served over https). Asked UConn MAGIC about future https support for WMS server or alternate map source.