- Extension
- .cals
- .ras
- Format
- Binary
- Binary
- Category
- Raster Image
- Raster Image
- Developer
- United States Department of Defense (DoD)
- Sun
- Description
- The CALS Raster Graphic File, having the extension .cals, is a type of image file format primarily used for the storage and exchange of digital images, especially in the context of technical and engineering documents. Developed in the mid-1980s by the United States Department of Defense, the CALS format was part of an initiative to standardize electronic document management and interchange, particularly for military and government applications.
- Originally used on the Sun Microsystems computers, RAS is a raster image format that displays bitmap images. It is popularly used for specific types of research projects and it can be developed in Unix OS as well. It supports 1 and 32-bits per pixel and used RLE compression codec.
- MIME Type
- image/cals
- image/x-cmu-raster
