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This repository contains the public portions of the analysis software developed by the SPT-3G collaboration. It includes the IO libraries, data acquisition code for McGill's DfMux readout boards, and pipeline glue code and defines all the APIs used by the project. For more detail on the intended processing architecture, please see the Quick Start chapter of the documentation.

Except where otherwise noted, all files are distributed under the 2-clause BSD license. Acknowledgments and patches are appreciated.

The main documentation for the software is in the docs folder. After building the software, you can build a pretty, searchable copy by running make docs.

This depends on Boost and cmake, as well as the usual Python packages. Some additional packages (NetCDF, in particular) will activate optional components of the code if installed. You also need a C++11 compiler. This software is designed to run and work on a variety of operating systems (all Linuxes, Mac OS X, and FreeBSD) and architectures (at least 64-bit x86 and POWER).

Minimum versions:

• GCC >= 4.7 or clang >= 3.3
• Boost >= 1.48
• cmake >= 2.6

On Ubuntu/Debian, you can install the non-Python dependencies, including the optional ones, by doing:

apt-get install cmake libboost-all-dev libflac-dev libnetcdf-dev libfftw3-dev libgsl0-dev

On RHEL-type systems (SL, CentOS, etc.), do this:

yum install cmake netcdf-devel boost-devel flac-devel fftw-devel gsl-devel

Note that on any RHEL6 system, you will need a newer compiler than ships with the OS. Please follow whatever directions apply at your site to achieve this. Alternately, if you have OASIS set up on your local system, run this before anything else:

eval `/cvmfs/spt.opensciencegrid.org/py2-v1/setup.sh`

To build:

cd spt3g_software
mkdir build
cd build
cmake ..
make

To build the documentation in the build directory type:

./env-shell.sh make docs

This will construct an html version of the documentation. This builds the documentation in the build/docs folder. Open build/docs/index.html in your favorite web browser. You should at least read the quick start portion of the documentation before getting started.

You can use two mechanisms to access the repository: git and SVN. The following is a brief overview of how to use these in a way that your collaborators will appreciate.

To initially check out the repository:

git clone https://[email protected]/CMB-S4/spt3g_software.git

To update your checkout (the --rebase is important, especially if you have local changes):

git pull --rebase

To send your changes back:

git diff files_to_commit <- Examine this
git commit files_to_commit
git push

To initially check out the repository:

svn co https://[email protected]/CMB-S4/spt3g_software/trunk spt3g_software

To update your checkout:

svn up

To send your changes back:

svn diff files_to_commit <- Examine this
svn ci files_to_commit