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New Screencasts

New Screencasts

Tuesday, Sep 27, 2011

@ Matthew Turk

A few of the yt developers have been experimenting with screencasts to show off new features or demonstrate how to do some things. Sam and I have both prepared screencasts on volume rendering and getting started with developing, respectively. Check them out below, and please feel free to leave comments and let us know what you think – not just about the screencasts, but about what they demonstrate, and if you think any of the concepts or routines could be made easier.
Example HEALpix Contour Rendering Movie

Example HEALpix Contour Rendering Movie

Monday, Feb 21, 2011

@ Sam Skillman

In response to Matt’s post <http://blog.enzotools.org/yt-development-healpix- and-contour-tree> on the HEALpix rendering update, I thought it would be worth posting an example movie. This shows the all-sky rendering of an observer moving from the front face of a simulation through the volume to the back face. The test simulation is 32 Mpc/h on a side with 64^3 root grid cells and up to 4 levels of refinement. At the start it looks like a disc because the entire simulation is in front of the camera and by the end it is all around the sides, indicating the simulation is behind the camera.
yt development - HEALpix and Contour Tree

yt development - HEALpix and Contour Tree

Monday, Feb 21, 2011

@ Matthew Turk

This week there was not very much yt development. However, a few notes may be of interest. SamS has updated the HEALPix camera to support ordered projections; what this means is that you can now make volume renderings using a standard color transfer function, or even the Planck transfer function, that cover 4pi of the sky. I am still working on integrating a method for creating images easily, but for now the scripts from last week should work.
Figuring Out Stereo Volume Rendering

Figuring Out Stereo Volume Rendering

Saturday, May 22, 2010

@ Matthew Turk

Last week I was approached by a friend and collaborator to prepare some large volume renderings using the software volume renderer in yt. In the past we’ve successfully made very, very large image renderings using yt – Sam’s even made one at 8192^2, although at extremely high resolution like that sometimes the lack of fidelity in the underlying volume renderer shows up; sometimes even artifacts in the AMR grid boundaries, but that’s less common.

yt extension modules

yt has many extension packages to help you in your scientific workflow! Check these out, or create your own.

ytini

ytini is set of tools and tutorials for using yt as a tool inside the 3D visual effects software Houdini or a data pre-processor externally to Houdini.

Trident

Trident is a full-featured tool that projects arbitrary sightlines through astrophysical hydrodynamics simulations for generating mock spectral observations of the IGM and CGM.

pyXSIM

pyXSIM is a Python package for simulating X-ray observations from astrophysical sources.

ytree

Analyze merger tree data from multiple sources. It’s yt for merger trees!

yt_idv

yt_idv is a package for interactive volume rendering with yt! It provides interactive visualization using OpenGL for datasets loaded in yt. It is written to provide both scripting and interactive access.

widgyts

widgyts is a jupyter widgets extension for yt, backed by rust/webassembly to allow for browser-based, interactive exploration of data from yt.

yt_astro_analysis

yt_astro_analysis is the yt extension package for astrophysical analysis.

Make your own!!

Finally, check out our development docs on writing your own yt extensions!

Contributing to the Blog

Are you interested in contributing to the yt blog?

Check out our post on contributing to the blog for a guide!

We welcome contributions from all members of the yt community. Feel free to reach out if you need any help.

the yt data hub

The yt hub at https://girder.hub.yt/ has a ton of resources to check out, whether you have yt installed or not.

The collections host all sorts of data that can be loaded with yt. Some have been used in publications, and others are used as sample frontend data for yt. Maybe there’s data from your simulation software?

The rafts host the yt quickstart notebooks, where you can interact with yt in the browser, without needing to install it locally. Check out some of the other rafts too, like the widgyts release notebooks – a demo of the widgyts yt extension pacakge; or the notebooks from the CCA workshop – a user’s workshop on using yt.

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