- Extension
- .gp4
- .pnm
- Format
- Binary
- Binary
- Category
- Raster Image
- Raster Image
- Developer
- CALS Initiative
- Jef Poskanzer
- Description
- The GP4 file type is primarily associated with CALS Raster, a standardized image file format used for the interchange of graphics data. It is specifically used for the storage of monochrome images and is often utilized in the fields of engineering, manufacturing, and government sectors, particularly for technical documents and drawings. The GP4 format is part of the CALS (Continuous Acquisition and Life-cycle Support) initiative, which aims to improve the efficiency of acquiring and managing resources in these sectors. This file type supports high-quality scanned images and is designed for electronic storage and transmission.
- The PNM (Portable Any Map Image) file format is a subset of the broader Netpbm format, designed for storing various types of digital images. It acts as an umbrella term for three specific types of grayscale, color, and black-and-white images, represented by PBM (Portable Bitmap), PGM (Portable Graymap), and PPM (Portable Pixmap) formats respectively. PNM files are known for their simplicity and ease of conversion to other image formats.
- MIME Type
- image/gp4
- application/x-portable-anymap
