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.