justuszorn / pyhessio

Anaconda version of CTA Python wrapper for hessio event format that is used in output of simtel_array.

pyhessioxxx

CTA Python wrapper for hessio event format that is used in output of simtel_array.

• Code: https://github.com/cta-observatory/pyhessio

This is a temporaly solution for testing ctapipe with real CTA MC data. It should not be used once CTA data format DL0 will be accpeted and implemented.

This package is composed of two libraries:

• libhessio: Part of sim_telarray program : https://www.mpi-hd.mpg.de/hfm/~bernlohr/sim_telarray
• pyhessio : libhessio Python wrapper
• 

Quick Start

Anaconda

First install Anaconda python distribution for Python3.4 http://continuum.io/downloads#py34

If you already use anaconda, but with python 2.7, you can create a second anaconda virtual environment for python3 following the instructions here: http://continuum.io/blog/anaconda-python-3):

# only if you already run anaconda: install a new virtualenv for
# cta development:
conda create -n cta python=3.4 anaconda
source activate cta  # to switch to the cta python virtualenv

later you can switch back to your the root environment (or another) by running:

source activate root  

Anaconda's distribution doesn't interfere with your local python distribution if you have one, and can be installed without root privileges. It contains all the required packages. To "activate" Anaconda's python, just put it's bin directory in your path: (e.g. export PATH=$HOME/anaconda/bin:$PATH).

After installing anaconda and setting your PATH, run the following to update the packages (for now we have no version restrictions, so the latest ones usually work):

conda update --all

CMake

You need to install CMake to build C libhessio library

https://cmake.org

build and install

Installation thanks to anaconda:

Note: if you do not used a local installation of Anaconda, you need root access on your system :

git clone https://github.com/cta-observatory/pyhessio
conda build pyhessio
conda install --use-local pyhessio
cd pyhessio
python setup.py develop

Local installation without anaconda

Note: Use this procedure if you do not have an local installation of anaconda or no root access on your system :

git clone https://github.com/cta-observatory/pyhessio
cd pyhessio
mkdir build_cmake
cd build_cmake
cmake .. -DCMAKE_INSTALL_PREFIX=/home1/jacquem/.local
make install
cd ..
python setup.py install --user --hessio_prefix=/home1/jacquem/.local/lib
python setup.py develop

Datasets

To keep the pyhessio code repo small, we have decided to put the example files used for unit tests in a separate repo: https://github.com/cta-observatory/pyhessio-extra :

git submodule init
git submodule update