Getting started

Execution of the software is highly manual, and therefore the first time using it can be a bit overwhelming. The software is designed to be simple, but it is also designed to be instrument-independent. This means that there are many parameters that can be set to match your data and setup.

We provide 2 tutorial datasets that have all the prameters pre-set, so that you can run the software without having to change anything to get a feel for how it works.

Downloading the tutorial data

Download As a File (ZIP)

Using git: (if you don’t know what git is just download the ZIP from link above)

SSH (recommended if you plan on developing)…

git clone git@github.com:KostasValeckas/PyLongslit_dev.git

… or HTTPS (works too, but you will need to enter your username and password on every pull/push):

git clone https://github.com/KostasValeckas/PyLongslit_dev.git

Changing the file pathes in the configuration files

As stated above, the configuration files for the tutorials have the parameters pre-set. However, you will need to change all the file pathes in the configuration file to match the location of the tutorial data on your computer. Everything in the pathes from PyLonsglit_dev/.. will be correct, but you will need to change the path to the PyLongslit_dev folder to match the location of the folder on your computer, i.e. the part marked with bold in the example below:

/home/kostas/Documents/ PyLongslit_dev/SDSS_J213510+2728/arcs

For some systems, you will need to change the forward slash / to a backslash \ in the pathes.

The above described changes can be made easily by using find and replace functionality in a text editor.

The configuration files are placed as shown below:

PyLongslit_dev
├── GQ1218+0832
│   ├── GQ1218+0832.json
├── SDSS_J213510+2728
│   ├── SDSS_J213510+2728.json

Tutorial

You can now follow the steps described below to run the software on the tutorial data.

You have to excecute the steps exactly in the order they are presented in the contents table below.

Contents: