File Extension Search

.rad File Extension

Developer: Valve
File type: VRAD Lights File
You're here because you have a file that has a file extension ending in .rad. Files with the file extension .rad can only be launched by certain applications. It's possible that .rad files are data files rather than documents or media, which means they're not meant to be viewed at all.

what is a .rad file?

Files in the .rad format are 3D image files used by an application called .rad, developed by Valve. This program is integrated with command line functionalities which can be used to create, modify or edit 3D lighting atributes of BSP projects. These BSP projects are more popularly known as map files of digital shooter video games in first person perspective. These RAD files are used to embed lighting options and characteristics of surfaces and other things visible in the video game. These .rad files help improve the display quality of surfaces and items included in the overall design of the shooting video game. XML-based specifications are integrated into .rad files and help users deploy the relevant functionalities of the .rad program to efficiently define the High Dynamic Range (HDR) and Low Dynamic Range (LDR) configuration settings of the video game. This in turn improves the intensity and vibrancy of the colors used in the game. The "vrad -lights bspmapname.rad" command line, without quotes, will add the 3D lighting properties configured and stored by the .rad user in the RAD file to the associated BSP map file.

how to open a .rad file?

Launch a .rad file, or any other file on your PC, by double-clicking it. If your file associations are set up correctly, the application that's meant to open your .rad file will open it. It's possible you may need to download or purchase the correct application. It's also possible that you have the correct application on your PC, but .rad files aren't yet associated with it. In this case, when you try to open a .rad file, you can tell Windows which application is the correct one for that file. From then on, opening a  .rad file will open the correct application. Click here to fix .rad file association errors

applications that open a .rad file

Valve Source SDK

Valve Source SDK

Valve Source SDK is a software development kit or SDK software, which is created by Valve Software, that is designed to create mods and maps for Source engine, except for some game applications like Portal 2, Left Dead, and Alien Swarm, as they have their own SDKs already. Source SDK has four main utilities and these are to create a mod, refresh SDK content, reset and edit game configurations. In creating a mod, it dumps the code of Source engine into a folder and a mod directory is created under the folder called SourceMods. SDK content is refreshed by checking new data updates as well as downloads. Game configurations can be reset and edited too. Basic games are the basis of how game configurations are recreated, while mods in configurations are removed except if they are edited manually. There are also applications integrated in this kit software, which are Face Poser, Valve Hammer Editor or Hammer and Model Viewer.
Valve Steam

Valve Steam

Valve Steam is a platform for digital distribution, digital rights management, communications and multi-player. It is a product created by Valve Corporation that is designed to distribute games and other related media for online use. This software is integrated with an automatic management and install management of software across numerous computers. It also has features for socialization like the groups and friends lists, as well as cloud saving. The in-game voice and chat capabilities are added features of Steam also. Like other programs created by Valve, Steam has programming interface that is easy to use and manipulate. There is also Steamworks which is helpful in integrating different functions of Steam within their own products, which include networking, copy protection, matchmaking, micro-transaction and in-game achievements. Steam is compatible with Microsoft Windows PCs as well as Mac OS X computers and iOS devices. This product also works for some Linux operating systems.
Valve Hammer Editor

Valve Hammer Editor

Valve Hammer Editor is a map creation software for games, engines and other sources of Valve Software, This is also called as Hammer, which was more popular as Worldcraft, its original name, that is developed and launched in the year 1996. This is downloadable for any source based game that is part of source SDK or a first person shooter game. Before the Source engine, brushes, which are a set of simple primitives, were the only construction blocks in Hammer Editor, but still usable in older versions of GoldSrc games. This software saves a level life in many format types, which include in the binary and proprietary, text based or .rmf format, human readable .map format, and .vmf format, which was the default level life on version 4.0 and considered a simple file but contains complete information about a level. Furthermore, a level is pass through a program called bsp that uses brushes in order to create the architecture of a level and places entities for the location of a level file. Then, it passes through Visible Information Set or VIS processor, then through the rad program.

a word of warning

Be careful not to rename the extension on .rad files, or any other files. This will not change the file type. Only special conversion software can change a file from one file type to another.

what is a file extension?

A file extension is the set of three or four characters at the end of a filename; in this case, .rad. File extensions tell you what type of file it is, and tell Windows what programs can open it. Windows often associates a default program to each file extension, so that when you double-click the file, the program launches automatically. When that program is no longer on your PC, you can sometimes get an error when you try to open the associated file.

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