.anm (Animated Paths)
About
A set of coordinates, which works as an animation of the actor's camera movement. It is also used for anomalies, which need to be given a path.
Technical information
- Order of rotation: YXZ
 
Interpolation types
Programs
Blender X-Ray Addon
Blender X-Ray is an addon for the Blender that is designed to import/export 3D models and animations from S.T.A.L.K.E.R. (X-Ray Engine).
IX-Ray SDK
SDK or Software Development Kit helped the developers of the original trilogy and the modders to develop the game itself.