VELPLOT is a software package that can be used to display quasar absorption line systems in velocity scale. The systems can be displayed either in the form of a still or interactive figure. The program was built by Vincent Dumont and is part of the Astroquasar group’s toolset available in our GitLab group .

# Installation ¶

The easiest way to install the software is using the PyPI package manager as follows:

pip install velplot


The above command will install all the required dependencies (see list below) along with the main software. More information about the package can be found in the pypi webpage .

astropy
matplotlib
numpy
plotly
scipy
pyyaml


MIT License

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.


# Reporting issues ¶

If you find any bugs when running this program, please make sure to report them by clicking on the above link and submit a ticket on the software’s official Gitlab repository.