<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><span style="font-family: arial; font-size: 14.6667px; white-space: pre-wrap;" class="">The yt community is proud to announce the release of yt 3.3!</span><br class=""><div><div class=""><div dir="ltr" class=""><span id="gmail-docs-internal-guid-80806128-23e8-76d7-5569-2049a9042b20" class=""><div style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;" class=""><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class="">yt (<a href="http://yt-project.org/" class="">http://yt-project.org</a>) is an open source, community developed toolkit for the analysis and visualization of volumetric data of all types, with a particular emphasis on astrophysical and nuclear engineering simulations.</span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class="">Since the yt 3.2 release, over 500 pull requests have been merged from 41 contributors, representing over 20% of the total pull requests merged to date. Major new features in this release include:</span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class="">* Raw and processed data from selections, projections, profiles and so forth can now be saved in a ytdata format and loaded back in by yt. See <a href="http://yt-project.org/docs/dev/analyzing/saving_data.html" class="">http://yt-project.org/docs/dev/analyzing/saving_data.html</a> for more information.</span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class="">* Totally re-worked volume rendering API. The old API is still available for users who prefer it, however. See <a href="http://yt-project.org/docs/dev/quickstart/volume_rendering.html" class="">http://yt-project.org/docs/dev/quickstart/volume_rendering.html</a>.</span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class="">* Support for unstructured mesh visualization. See <a href="http://yt-project.org/docs/dev/visualizing/plots.html?highlight=unstructured%20mesh%20slices" class="">http://yt-project.org/docs/dev/visualizing/plots.html?highlight=unstructured%20mesh%20slices</a> and <a href="http://yt-project.org/docs/dev/visualizing/unstructured_mesh_rendering.html" class="">http://yt-project.org/docs/dev/visualizing/unstructured_mesh_rendering.html</a> for more information.</span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class="">* Interactive Data Visualization for AMR and unstructured mesh datasets. See <a href="http://yt-project.org/docs/3.3.1/visualizing/interactive_data_visualization.html" class="">http://yt-project.org/docs/3.3.1/visualizing/interactive_data_visualization.html</a>.</span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class="">* Several new colormaps, including a new default, 'arbre'. The other new colormaps are named 'octarine', 'kelp', and 'dusk'. All these new colormaps were generated using the viscm package (<a href="https://github.com/matplotlib/viscm" class="">https://github.com/matplotlib/viscm</a>) and should do a better job of representing the data for colorblind viewers and when printed out in grayscale. See <a href="http://yt-project.org/docs/dev/visualizing/colormaps/index.html" class="">http://yt-project.org/docs/dev/visualizing/colormaps/index.html</a> for more detail.</span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class="">* New frontends for the Exodus II (<a href="http://yt-project.org/docs/dev/examining/loading_data.html#exodus-ii-data" class="">http://yt-project.org/docs/dev/examining/loading_data.html#exodus-ii-data</a>), GAMER (<a href="http://yt-project.org/docs/dev/examining/loading_data.html#gamer-data" class="">http://yt-project.org/docs/dev/examining/loading_data.html#gamer-data</a>), and Gizmo (<a href="http://yt-project.org/docs/dev/examining/loading_data.html#gizmo-data" class="">http://yt-project.org/docs/dev/examining/loading_data.html#gizmo-data</a>) data formats.</span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class="">* The unit system associated with a dataset is now customizable, defaulting to CGS. See <a href="http://yt-project.org/docs/dev/analyzing/units/unit_systems.html" class="">http://yt-project.org/docs/dev/analyzing/units/unit_systems.html</a>.</span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class="">* Enhancements and usability improvements for analysis modules, especially the absorption_spectrum, photon_simulator, and light_ray modules. See <a href="http://yt-project.org/docs/dev/analyzing/analysis_modules/synthetic_observation.html" class="">http://yt-project.org/docs/dev/analyzing/analysis_modules/synthetic_observation.html</a>.</span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class="">* Data objects can now be created via an alternative Numpy-like API. See <a href="http://yt-project.org/docs/dev/analyzing/objects.html?highlight=quickly%20selecting%20data#quickly-processing-data" class="">http://yt-project.org/docs/dev/analyzing/objects.html?highlight=quickly%20selecting%20data#quickly-processing-data</a>.</span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class="">* A line integral convolution plot modification. See <a href="http://yt-project.org/docs/dev/visualizing/callbacks.html?highlight=line%20integral%20convolution#overplot-line-integral-convolution" class="">http://yt-project.org/docs/dev/visualizing/callbacks.html?highlight=line%20integral%20convolution#overplot-line-integral-convolution</a>.</span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class="">* Many speed optimizations, including to the volume rendering, units, tests, covering grids, the absorption spectrum and photon simulator analysis modules, and ghost zone generation.</span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class="">* Packaging and release-related improvements: better install and setup scripts, automated PR backporting.</span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class="">* Readability improvements to the codebase, including linting, removing dead code, and refactoring much of the Cython.</span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class="">* Improvements to the CI infrastructure, including more extensible answer tests and automated testing for Python 3 and Windows.</span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class="">* Numerous documentation improvements, including formatting tweaks, bugfixes, and many new cookbook recipes.</span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class="">* Support for geographic (lat/lon) coordinates.</span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class="">* Several improvements for SPH codes, including alternative smoothing kernels, an add_smoothed_particle_field function, and particle type-aware octree construction for Gadget data.</span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class="">* Roundtrip conversions between Pint and yt units.</span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class="">* Added halo data containers for gadget_fof frontend.</span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class="">* Enabled support for spherical datasets in the BoxLib frontend.</span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class="">* Many new tests have been added.</span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class="">* Better hashing for Selector objects.</span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class="">For a more complete list of the changes in this release, see <a href="http://yt-project.org/docs/dev/reference/changelog.html" class="">http://yt-project.org/docs/dev/reference/changelog.html</a>.</span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class="">Standard Installation Methods</span></div><div style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;" class=""><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class="">----------------------------------------<br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class="">As with previous releases, you can install yt using one of the following methods.</span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class="">1. From the install script on OSX and Linux (<a href="http://yt-project.org/#getyt" class="">http://yt-project.org/#getyt</a>):</span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class="">As of this release, the install script has been updated to use conda by default (see below). If you would like to retain the old behavior of installing everything from source, you can edit the INST_CONDA flag in the script manually.</span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""># Installation</span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class="">$ wget <a href="http://bitbucket.org/yt_analysis/yt/raw/stable/doc/install_script.sh" class="">http://bitbucket.org/yt_analysis/yt/raw/stable/doc/install_script.sh</a></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class="">$ bash install_script.sh</span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class="">At the end of the installation process, the script will print a note about how to update your PATH environment variable to activate your yt installation. As of yt 3.3, you no longer need to use the “activate” script.</span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""># Update</span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class="">$ yt update</span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class="">Note also that many of the dependencies have been updated since version 3.2. If you previously installed yt from the install script, it is advised that you re-install yt from scratch.</span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class="">2. From pip (source or binary wheel, see below for more details):</span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""># Installation</span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class="">$ pip install yt</span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""># Update</span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class="">$ pip install -U yt</span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class="">3. From the Anaconda Python Distribution (<a href="https://store.continuum.io/cshop/anaconda/" class="">https://store.continuum.io/cshop/anaconda/</a>). Because it may take several weeks for the yt package on the official conda channel to be updated, we recommend using the conda-forge instead:</span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""># Installation</span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class="">$ conda install -c conda-forge yt</span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""># Update</span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class="">$ conda update yt -c conda-forge yt</span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class="">If you are on the “stable” branch, updating will bring you from yt 3.2 to 3.3, incorporating all</span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class="">changes since 3.2, whereas if you are on the “dev” or “yt” branch, only the changes since</span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class="">your last update should be incorporated.</span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class="">Installing Binary Packages via pip</span></div><div style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;" class=""><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class="">---------------------------------------------<br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class="">You can also install binary packages (“wheels”) using pip on Windows (64-bit only), Mac OS X, and Linux (32 and 64-bit). This has the advantage of not needing to install yt from source using a proper compiler setup, which has caused occasional problems on both of these platforms in the past.</span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class="">Binary wheels are available on the following platforms and python installations (using either Python 2.7 or 3.4):</span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class="">Linux x86_64:</span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><a href="http://python.org" class="">Python.org</a> Python</span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class="">Windows x86_64:</span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class="">Enthought Canopy Python (<a href="https://www.enthought.com/products/canopy/" class="">https://www.enthought.com/products/canopy/</a>)</span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class="">WinPython (<a href="http://winpython.sourceforge.net/" class="">http://winpython.sourceforge.net/</a>)</span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class="">Mac OS X x86_64:</span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class="">Enthought Canopy Python (<a href="https://www.enthought.com/products/canopy/" class="">https://www.enthought.com/products/canopy/</a>)</span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class="">Homebrew Python (<a href="http://brew.sh/" class="">http://brew.sh/</a>)</span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><a href="http://python.org" class="">Python.org</a> Python</span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class="">Mac OS X’s system Python</span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class="">MacPorts Python (<a href="https://www.macports.org/" class="">https://www.macports.org/</a>)</span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class="">The requirements for installing yt via this method are the same as from source:</span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class="">NumPy</span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class="">h5py</span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class="">HDF5</span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class="">SymPy</span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class="">Matplotlib</span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class="">IPython (not required, but strongly recommended)</span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class="">To install a new version of yt on one of these platforms, simply do</span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class="">$ pip install yt</span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class="">and you should get the binary distribution automatically. Also, if your python installation is system-wide (e.g., the Mac system Python) you might either need to run pip with administrator privileges or install to your home directory:</span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class="">$ pip install --user --prefix= yt</span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class="">Ensure that the $HOME/.local/bin directory is in your PATH if you choose this method.</span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class="">For more information, including more installation instructions, links to community resources, and information on contributing to yt’s development, please see the yt homepage at <a href="http://yt-project.org/" class="">http://yt-project.org</a> and the documentation for yt-3.3 at <a href="http://yt-project.org/docs/3.3.1" class="">http://yt-project.org/docs/3.3.1</a>.</span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class="">yt is the product of a large community of developers and users and we are extraordinarily grateful for and proud of their contributions. Please forward this announcement on to any interested parties.</span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class="">As always, if you have any questions, concerns, or run into any trouble updating please don't hesitate to send a message to the mailing list or stop by our IRC channel.</span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class="">Best,</span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class=""><br class="gmail-kix-line-break"></span><span style="font-size: 14.6667px; font-family: arial; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;" class="">The yt development team</span></div></span></div></div></div><br class=""></body></html>