A rad file extension is used for Radiance image file. This is the main input file type, describing materials and geometry for the rendering programs, and must be compiled into an octree by oconv prior to ray-tracing. 

There are 3 other file types using
the RAD file extension!

rad icon.rad - Reality AdLib Tracker 2 audio data

rad icon.rad - Real Rhapsody cache

empty icon.rad - Radar ViewPoint radar data

Detailed description

Software that open rad file

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RAD file extension - Radiance image

What is rad file? How to open rad files?

File type specification:

Graphics file type icon Graphics file type

rad file icon: rad filetype icon

The rad file extension is used for Radiance image file. This is the main input file type, describing materials and geometry for the rendering programs, and must be compiled into an octree by oconv prior to ray-tracing.

It is an ASCII text format, and is often translated from a CAD description, but may be created or edited by a text editor as well.

The default software associated to open rad file:

RADIANCE  Linux/Unix software

RADIANCE is a ray-tracing software system for UNIX computers. Radiance was developed with primary support from the U.S. Department Of Energy and additional support from the Swiss Federal Government. Copyright is held by the Regents of the University of California.

XnView MP icon

Pierre-Emmanuel Gougelet logoXnView MP  Multiplatform software

Company or developer:
Pierre-Emmanuel Gougelet

A free (for non-commercial purposes) powerful cross-platform media browser, viewer and converter. Compatible with more than 500 formats and also supports export to 70 different file formats. It works on Windows, Linux and macOS (OS X).

Help how to open:

Use XnView or other picture image viewer to view content of the *.rad files.

How to convert:

Use compatible tools to export *.rad files to other formats.

List of software applications associated to the .rad file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open rad file, edit rad file, convert rad file, view rad file, play rad file etc. (if exist software for corresponding action in File-Extensions.org's database).

Hint:
Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting rad files.

Software that open rad file - Radiance image

Programs supporting the exension rad on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about listed programs for open rad file action.

Apple macOS / Mac OS X:

Linux/Unix:

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