Pima County Department of Transportation

Geographic Information Services Division

Viewing ECW images from ER Mapper's Image Web Server

ER Mapper's (Earth Resource Mapping) Image Web Server allows interactive viewing of large images in ECW format. The combination of the Image Web Server and the compressed ECW format provide fast response and high resolution.

To view ECW format images served by the Image Web Server on our site, you need the ECW plug-in for the Image Web Server.

The ECW Plug-in Install page assists you with either automatic or manual installation for your web browser.