.. index:: NRRD (Nearly Raw Raster Data)
.. index:: .nrrd, .nhdr, .raw, .txt
NRRD (Nearly Raw Raster Data)
===============================================================================
Extensions: .nrrd, .nhdr, .raw, .txt
Developer: `Teem developers `_
**Support**
BSD-licensed: |yes|
Export: |no|
Officially Supported Versions:
Reader: NRRDReader (:bsd-reader:`Source Code `, :doc:`Supported Metadata Fields `)
Freely Available Software:
- `nrrd (NRRD reference library) `_
Sample Datasets:
- `Diffusion tensor MRI datasets `_
We currently have:
* an `nrrd specification document `_ (v1.9, from 2005 December 24, in HTML)
* a few nrrd datasets
* `public sample images `__
We would like to have:
**Ratings**
Pixels: |Very good|
Metadata: |Very good|
Openness: |Outstanding|
Presence: |Fair|
Utility: |Very good|