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NWS12 to NWS13

tool to convert OWI's NWS12 formatted ascii files (fort.22{1,2}) to OWI's NWS13 NetCDF4

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October 10, 2023

Who knew you can make an animated GIF with *convert*

Another thing that comes up infrequently so it is hard to remember! This method of creating an animation from a set of individual images as frames is one of the easiest I have ever seen. (Get out of here FFMPEG!) ImageMagick’s convert animation example command convert -delay {centiseconds} -loop {loop-n-times} *.png output.gif Here is an output made with convert from .png frames using a 25 centisecond frame advancement time.

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September 29, 2023

An Update To Apptainer Use On TACC HPC

The University of Texas’ newest supercomputer Frontera currently requires the following modules loaded for Apptainer images/containers based on the mvapich infiniband (ib) base images–particularly for any containerized programs that intend to use MPI. Researchers moving their Apptainer images between TACC HPC systems, or building container images specifically for individual systems, may need to adapt their sbatch scripts to accommodate differences between default environments and infrastructures on the various available clusters.

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August 29, 2023

Python Package Management with Rye

Armin Ronacher demonstrates an experimental new approach

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May 9, 2023

Reproducible Scientific Python Using Containers

Use Microsoft’s VSCode editor (code), Docker Containers, and other open-source tools for scientific Python software collaboration, development, and use on Linux and Windows. Securely connect offices, remote workers, storage resources, compute resources, and the cloud with Tailscale as a replacement for traditional VPN. System Packages VSCode Editor Download Visual Studio Code from Microsoft. For a Debian-based GNU/Linux distribution like Ubuntu or Pop OS, the .deb can be installed with sudo dpkg -i code_$version_amd64.deb.

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April 3, 2023