SUN File – What is .sun file and how to open it?


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SUN File Extension

Sun Raster Graphic – file format by Sun Microsystems

SUN is a file extension for Sun Raster Graphic (Sun Rasterfile), a raster graphics format developed by Sun Microsystems. It supports multiple color depths, alpha channels, and compression. SUN files are commonly used for storing images in the Solaris operating system.

SUN File Format

A SUN file, also known as a Sun Raster Graphic, is a raster image file format developed by Sun Microsystems. It is commonly used to store and display digital images, particularly in the UNIX and Linux operating systems. SUN files are characterized by their use of a simple and efficient lossless compression algorithm, which makes them suitable for storing large images with minimal data loss. The format supports a variety of color depths, including monochrome, grayscale, and color images with up to 24 bits per pixel.

SUN files typically have the file extension .SUN. They can be created using a variety of graphics software programs, including the Sun Raster Toolkit and ImageMagick. SUN files can also be viewed and edited using various image viewers and editors, such as GIMP and Adobe Photoshop. Due to its cross-platform compatibility, the SUN file format has gained widespread adoption in the UNIX and Linux communities, making it a popular choice for storing and sharing digital images.

Software Compatibility

To open and view SUN files, various software applications are available, such as:

  • Raster image editors: GIMP, PaintShop Pro, Adobe Photoshop
  • Image viewers: IrfanView, XnView, FastStone Image Viewer
  • Cross-platform graphics software: Inkscape, Scribus

These applications provide a comprehensive set of tools to manipulate, edit, and convert SUN files. GIMP, a free and open-source raster image editor, offers a wide range of image editing capabilities, while PaintShop Pro and Adobe Photoshop are commercial applications renowned for their advanced image manipulation tools.

Conversion Methods

Alternatively, SUN files can be converted to more common image formats for compatibility with a broader range of applications. Using the software mentioned above, SUN files can be easily converted to formats such as JPEG, PNG, TIFF, or BMP. This conversion process allows for seamless integration with various graphic design and document editing applications.

Origin and Development:

The SUN file extension stands for Sun Raster Graphic, a raster image format originally developed by Sun Microsystems in the 1980s. It was primarily intended for use in the Sun Workstation graphical user interface (GUI) and was widely adopted for storing and displaying images on Sun systems. SUN files employ a simple and efficient encoding scheme, making them suitable for bitmap graphics and generating previews for complex images.

Key Features and Usage:

SUN files support a variety of image characteristics, including color depth, resolution, and compression methods. They are capable of storing both color and grayscale images and can handle various compression algorithms, including run-length encoding (RLE) and lossless JPEG. SUN files are typically uncompressed, resulting in slightly larger file sizes compared to compressed formats like JPEG or PNG. They are commonly used in scientific and medical imaging applications, as well as in the storage and dissemination of digital photographs. Additionally, SUN files have found niche use in the creation and display of computer-generated artwork and animations.

Other Extensions