.REF File Extension
File Type 1IDRISI Raster Image Reference File
What is a REF file?
File created by IDRISI Taiga, a GIS imaging application; stores geographic reference information so that .RST images can be projected according to specific unit measurements; can be used for multiple raster images.
Many preinstalled REF files are located in the \GEOREF\ directory of the IDRISI Taiga installation.
File Type 2Microsoft Train Simulator Reference File
.REF File Association 2
File used by Microsoft Train Simulator, a program used to simulate trains and play the role of locomotive engineer or passenger; contains a reference to shape file settings, including the .S shape filename, shadow properties, class, alignment, and description.
REF files store a list of shapes that can be imported into a simulation.