Episodes
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Gnuastro 0.19 News: Warp (align FITS image by WCS) and ConvertType (annotations from catalogs).
GNU Astronomy Utilities (Gnuastro) is a large collection of command-line programs and C/C++ libraries for astronomical data analysis. In this vide, we introduce two of the newly added features in version 0.19: WCS alignment of images (while correc...
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SMACK 13: Introduction to Containers (Docker and Singularity)
Containers are portable environments that package up code and all its dependencies so that an application can run quickly and reliably from one computing environment to another. Most people are probably familiar with full virtualization environmen...
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SMACK 17: Basic LaTeX (hands-on) 2
In the 16th SMACK, the very basics of LaTeX were introduced; showing how to make a basic document from scratch, set the printable size, inserting images and tables and etc. In this session, we will go into more advanced features that are also comm...
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SMACK 16: Basic LaTeX (hands-on) 1
LaTeX is a professional typesetting system to create a ready-to-print or publish (usually PDF!) document (usually papers!). LaTeX is the format used by arXiv, and many journals, when you want to submit your scientific papers. With LaTeX, you "prog...
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SMACK 14: Make: a powerful tool to manage your projects
Did you ever want to re-run your project from the beginning, but run into trouble because you forgot one step? Do you want to run just one part of your project and ignore the rest? Do you want to run it in parallel with many different inputs using...
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Maneage: Managing data lineage for long-term and archivable reproducibility (Invited talk at ESO's ROSA2022)
The increasing volume, diversity, and role of data in modern research has been very fruitful. However, these same factors, have also made it harder to describe (in sufficient detail) the processing behind a scientific result within the confines of...
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Gnuastro tutorial at ADASS (Astronomical Data Analysis Software & Systems) 2021
Mohammad Akhlaghi,Raul Infante-Sainz,Zahra Sharbaf Gnuastro is an official GNU package of a large collection of programs to enable easy, robust, and most importantly fast and efficient, data analysis directly on the command-line. For example it...
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NoiseChisel, Segment and Gnuastro: non-parametric detection, segmentation and catalog production
Introduction to NoiseChisel, presented at Institut d'Astrophysique de Paris (IAP) on December 2nd, 2021.
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SMACK 4 Shell scripting for automation and text editors
In the previous SMACKs, basic operations on the command-line were reviewed in interactive mode: where you enter one command, wait for it to finish and enter the next command. The shell's interactive mode is good for small/fast tests, but is not sc...
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SMACK 3 GNU Astronomy Utilities (Gnuastro) hands on
Gnuastro is an official GNU package that is currently maintained at the IAC. It is a large collection of programs to enable easy, robust, fast and efficient data analysis directly on the command-line. For example it can perform arithmetic operatio...
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SMACK 2 POSIX power tools Command-line tools and shell scripting
The shell (or command-line) is the most commonly used (for advanced operations) interface to Unix-like operating systems. In this session we'll introduce some of the most commonly used command-line/shell features and how they may be used in a ...
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SMACK 1 History of the POSIX operating systems and basic linux command-line
An introduction to the Unix-like operating systems, starting with a review of the very interesting history behind it.
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NoiseChisel: how to detect diffuse signal in noise (hands-on)
Hands-on introduction on the inner working of NoiseChisel by Dr. Mohammad Akhlaghi. NoiseChisel is a program in GNU Astronomy Utilities (Gnuastro) that is in charge of separating signal from noise in a 2D image or 3D datacube (and as a side-effect...
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