Brion  1.6.0
The Blue Brain C++ I/O library
Brion Documentation

Table of Contents



Welcome to Brion, a C++ library for read and write access to Blue Brain data structures, including BlueConfig/CircuitConfig, Circuit, CompartmentReport, Mesh, Morphology, Synapse and Target files.

Brion can be retrieved by cloning the source code. The latest API documentation can be found on

To keep track of the changes between releases check the changelog.


Brion provides the following major features:


Brion is a cross-platform library, designed to run on any modern operating system, including all Unix variants. Brion uses CMake to create a platform-specific build environment. The following platforms and build environments are tested:

  • Linux: Ubuntu 14.04 and RHEL 6 (Makefile, i386, x64)

Building from source is as simple as:

git clone
mkdir Brion/build
cd Brion/build
cmake ..