development

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Monday, Feb 21, 2011

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.

2 minute read

yt development - All-sky column density calculation

Monday, Feb 14, 2011

@ Matthew Turk

This week I added the ability to calculate all-sky column densities. This functionality uses HEALpix to calculate equally-area regions on the sky and then shoots out rays from a central source to some fixed radius, accumulating values of a field along the way. Although so far I’ve only used it to calculate column densities of “Density” it could be used for other values as well, including all- sky weighted averages of quantities.

3 minute read

Monday, Feb 7, 2011

@ Matthew Turk

As a result of progress in my scientific goals, and the application of recent yt developments to them, I did not make many changes or developments in yt this week. When I did work on yt, I primarily spent time re-organizing the documentation and fixing several errors. I have added an “installation” section, consolidated a few sections, and wrote two new sections on how to make plots and on how to generate derived data products.

1 minute read

Monday, Jan 31, 2011

@ Matthew Turk

Not much yt development went on in the last week; I spent some time working with Enzo and driving forward simulation goals, which resulted in some development that directly benefited those simulation goals. However, this fortuitously coincided with work I have been eager to return to for quite some time: namely, time series analysis! Time Series Analysis The problem with time series analysis in yt has, to this point, been an issue of verbosity and clunkiness.

4 minute read

Monday, Jan 24, 2011

@ Matthew Turk

This is the second blog entry in the weekly series, with some updates on what took place last week with respect to yt development. One of the more exciting things is the final one, which is the start of what I want to focus on for the next couple months or years: integration of physics modules with analysis code, and then the ultimate inversion of that relationship. yt-2.0 This week saw the release of yt 2.

6 minute read

yt development - star particle rendering, simple merger trees and documentation

Monday, Jan 17, 2011

@ Matthew Turk

This is the first of a new series of “what’s up with yt” blog posts I’m going to be writing. By keeping this log, I hope that maybe some things that would otherwise get lost in the version control changesets will get brought to greater light. This covers the time period of the first couple weeks in January. Star Particle Rendering On the mailing list, the question of adding star particles to a volume rendering was raised.

5 minute read