Plotting to a File in Python

by Jess K September 20, 2013

Have you ever wanted to save a Python/Matplotlib image directly to a file instead of having it displayed in an X11 window? I needed to do this for a project where I used qsub/PBS to submit jobs to a cluster and I wanted to plot some results for each run and save them to a […]


Read more →

Immersing Yourself in Your Data: Using Virtual World Engines to Solve “Big” Data

by Guest March 25, 2013

This is a guest post by Alex Cioc, who is a sophomore at Caltech, working on new data visualization techniques.  In the era of “Big Data” science, the real challenges come not from the sheer volume of data obtained but rather from the complexity of these data. For example, in a typical sky survey we […]


Read more →

Filtergraph: A Web-based Data Visualization Application

by Guest October 15, 2012

Dan Burger is a Computer Science graduate student at Vanderbilt University. He has been working with the Astroinformatics Group on how to dynamically handle and visualize large volumes of data. Datasets. If you work in astronomy, chances are you have them. They are hardly the romantic vision that you had when you decided to go into […]


Read more →

Topcat: Leader of the Catalogue Manipulation Gang

by Guest September 20, 2010

This is a guest post—featuring our first screencast!—from Niall Deacon who studies brown dwarfs and white dwarfs in the Pan-STARRS survey at the University of Hawai`i. Niall also blogs about astronomy at weareallinthegutter. If you are drowning in search windows from different data archives and wasting time writing code to plot graphs of the simplest […]


Read more →

Veusz: A Python-Based Interactive Plotting Package

by Guest July 26, 2010

This is a guest post by Jeremy Sanders about the plotting package he’s developed. Jeremy is a postdoc working in the X-Ray Group at the Institute of Astronomy in the University of Cambridge in the UK. Veusz (pronounced “views”) is a python-based GUI plotting package that I (Jeremy Sanders) have developed. As an astronomer, I […]


Read more →