OpenLayers v2 Javascript library
OpenStreetMap contributors, tiles from Humanitarian OSM Team, TMS host by OSM France
OpenStreetMap contributors, tiles from
Andy Allen, Thunderforest
By default, the left panel shows the Before layer and right panel the UAV After layer. The Damage building layer (UNOSAT evaluation) is overlayed over the UAV image. The red and orange markers correspond to Destroyed and Severly damaged buildings.
Click on the
Layers icon on the right top of the image to see the layers available.
We can select the layers to compare. The bottom layer will be showed in the left pannel
The Slide Panel ↞ | ↠ is moved horizontally with the mouse (or finger on mobile device) to compare Before and After images for various areas.
We can drag the image with the mouse (or finger on mobile device) in various directions to compare Before and After images for various areas.
To see more details, we zoom-in or out. On mobile devices, finger gestures can be used.
The
and
Buttons on the left can be used to zoom-in or out.
The Mouse wheel or fingers gestures on mobile device can also be used for zoom actions.