We all know .aoi is quite helpful in various cases, like defining an area, extent, points and many more. It is also essential when you geometrically correct an image. .shp on the otherhand is a very well known vector file system around the globe. Just like many other GIS software, you can open .shp in Erdas. But Erdas wont let you doing .aoi things with .shp easily. This post describes the classic technique to convert .shp to .aoi easily. You’ll be surprised how easy it is with Erdas Imagine.   Continue reading