Rapidly Making Colorful Landsat-8 Imagery Composite with Free Advanced Image Stretching and Pan-sharpening Software from GeoSage - See more at: http://www.gisuser.com/content/view/30197/2/#sthash.36sxzlnJ.dpuf
Autodesk's evangelist, Lynn Allen, maintains a blog of happenings affecting the AutoCAD user community. A great resource for Autodesk users and fans of Lynn Allen!