Stack requirements:
The general philosophy of the There are some general LSST software stack requirements before installation: please check that your system has these pre-requisites installed.
There are some additional requirements for the simulations packages, mostly python dependencies that is that some python dependencies are so ubiquitous in scientific computing environments that it is more difficult for users for us to provide new versions than it is to supply them with the stack. The simulations framework relies on the following dependencies that are not part of the LSST stack:These requirements are (there is some overlap here with the basic stack requirements):
- python 2.7
- numpy
- scipy
- astropy
- matplotlib
- sqlalchemy
- Cython (note: even if using the stack-supplied Anaconda distribution, you should run conda install cython to install the Sims stack)
- cmake
- git-lfs is required for installation from source (eups or lsstsw) – read-only mode is sufficient for installing the sims packages
- See http://developer.lsst.io/en/latest/tools/git_lfs.html for instructions in installing and setting up git-lfs for LSST
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