Cognex Corp. has released a 30-day trial version of its VisionPro machine vision software. Downloadable from the company Web site, the trial software enables users to test bitmap or tiff images with the VisionPro tool set. They can use the QuickBuild samples or create their own tools. The VisionPro tools address a variety of vision needs, from geometric object location and inspection to identification and measurement. Drag-and-drop linking between tools, user-definable tools, and reusable tool groups are among the features offered. VisionPro supports a broad range of cameras, frame grabbers and direct-connect digital technology.