<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 class="" style="font-family: Arial; font-size: 14.6666666666667px; white-space: pre-wrap; line-height: 1.38;">We are proud to announce the release of yt 3.2!</span><br class=""><div class=""><div dir="ltr" class=""><span id="docs-internal-guid-ebffb762-c103-16c3-a2e8-804dfa5be7e6" class=""><br class=""><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline; white-space: pre-wrap;">yt (</span><a href="http://yt-project.org/" class="" style="text-decoration: none;"><span class="" style="font-size: 14.6666666666667px; font-family: Arial; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">http://yt-project.org</span></a><span class="" style="font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline; white-space: pre-wrap;">) is an open source, community-developed toolkit for analysis and visualization of volumetric data of all types, with a particular emphasis on astrophysical simulations and nuclear engineering simulations.</span></div><br class=""><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; font-family: Arial; font-weight: bold; vertical-align: baseline; white-space: pre-wrap;">Major enhancements</span></div><ul class="" style="margin-top: 0pt; margin-bottom: 0pt;"><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Particle-Only Plots - a series of new plotting functions for visualizing particle data. See </span><a href="http://yt-project.org/docs/dev/visualizing/plots.html#particle-plots" class="" style="text-decoration: none;"><span class="" style="font-size: 14.6666666666667px; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">here</span></a><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;"> for more information.</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Late-stage beta support for Python 3 - unit tests and answer tests pass for all the major frontends under python 3.4, and yt should now be mostly if not fully usable. Because many of the yt developers are still on Python 2 at this point, this should be considered a “late stage beta” as there may be remaining issues yet to be identified or worked out.</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Now supporting Gadget Friend-of-Friends/Subfind catalogs - see </span><a href="http://yt-project.org/docs/dev/examining/loading_data.html#halo-catalog-data" class="" style="text-decoration: none;"><span class="" style="font-size: 14.6666666666667px; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">here</span></a><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;"> to learn how to load halo catalogs as regular yt datasets.</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Custom colormaps can now be easily defined and added - see </span><a href="http://yt-project.org/docs/dev/visualizing/colormaps/index.html" class="" style="text-decoration: none;"><span class="" style="font-size: 14.6666666666667px; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">here</span></a><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;"> to learn how!</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Now supporting Fargo3D data</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Performance improvements throughout the code base for memory and speed</span></div></li></ul><br class=""><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; font-family: Arial; font-weight: bold; vertical-align: baseline; white-space: pre-wrap;">Minor enhancements</span></div><ul class="" style="margin-top: 0pt; margin-bottom: 0pt;"><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Various updates to the following frontends: ART, Athena, Castro, Chombo, Gadget, GDF, Maestro, Pluto, RAMSES, Rockstar, SDF, Tipsy</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Numerous documentation updates</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Generic hexahedral mesh pixelizer</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Adding annotate_ray() callback for plots</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">AbsorptionSpectrum returned to full functionality and now using faster SciPy Voigt profile</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Add a color_field argument to annotate_streamline</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Smoothing lengths auto-calculated for Tipsy Datasets</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Adding SimulationTimeSeries support for Gadget and OWLS.</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Generalizing derived quantity outputs to all be YTArrays or lists of YTArrays as appropriate</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Star analysis returned to full functionality</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">FITS image writing refactor</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Adding gradient fields on the fly</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Adding support for Gadget Nx4 metallicity fields</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Updating value of solar metal mass fraction to be consistent with Cloudy.</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Gadget raw binary snapshot handling & non-cosmological simulation units</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Adding support for LightRay class to work with Gadget+Tipsy</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Add support for subclasses of frontends</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Dependencies updated</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Serialization for projections using minimal representation</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Adding Grid visitors in Cython</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Improved semantics for derived field units</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Add a yaw() method for the PerspectiveCamera + switch back to LHS</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Adding annotate_clear() function to remove previous callbacks from a plot</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Added documentation for hexahedral mesh on website</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Speed up nearest neighbor evaluation</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Add a convenience method to create deposited particle fields</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">UI and docs updates for 3D streamlines</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Ensure particle fields are tested in the field unit tests</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Allow a suffix to be specified to save()</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Add profiling using airspeed velocity</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Various plotting enhancements and bugfixes</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Use hglib to update</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Various minor updates to halo_analysis toolkit</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Docker-based tests for install_script.sh</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Adding support for single and non-cosmological datasets to LightRay</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Adding the Pascal unit</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Add weight_field to PPVCube</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">FITS reader: allow HDU in auxiliary</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Fixing electromagnetic units</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Specific Angular Momentum [xyz] computed relative to a normal vector</span></div></li></ul><br class=""><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; font-family: Arial; font-weight: bold; vertical-align: baseline; white-space: pre-wrap;">Bugfixes</span></div><ul class="" style="margin-top: 0pt; margin-bottom: 0pt;"><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Adding ability to create union fields from alias fields</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Small fix to allow enzo AP datasets to load in parallel when no APs present</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Use proper cell dimension in gradient function.</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Minor memory optimization for smoothed particle fields</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Fix thermal_energy for Enzo HydroMethod==6</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Make sure annotate_particles handles unitful widths properly</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Improvements for add_particle_filter and particle_filter</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Specify registry in off_axis_projection's image finalization</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Apply fix for particle momentum units to the boxlib frontend</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Avoid traceback in "yt version" when python-hglib is not installed</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Expose no_ghost from export_sketchfab down to _extract_isocontours_from_grid</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Fix broken magnetic_unit attribute</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Fixing an off-by-one error in the set x/y lim methods for profile plots</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Providing better error messages to PlotWindow callbacks</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Updating annotate_timestamp to avoid auto-override</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Updating callbacks to consistently define coordinate system</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Fixing species fields for OWLS and tipsy</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Fix extrapolation for vertex-centered data</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Fix periodicity check in FRBs</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Rewrote project_to_plane() in PerspectiveCamera for draw_domain()</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Fix intermittent failure in test_add_deposited_particle_field</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Improve minorticks for a symlog plot with one-sided data</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Fix smoothed covering grid cell computation</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Absorption spectrum generator now 3.0 compliant</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Fix off-by-one-or-more in particle smallest dx</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Fix dimensionality mismatch error in covering grid</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Fix curvature term in cosmology calculator</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Fix geographic axes and pixelization</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Ensure axes aspect ratios respect the user-selected plot aspect ratio</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Avoid clobbering field_map when calling profile.add_fields</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Fixing the arbitrary grid deposit code</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Fix spherical plotting centering</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Make the behavior of to_frb consistent with the docstring</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Ensure projected units are initialized when there are no chunks.</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Removing "field already exists" warnings from the Owls and Gadget frontends</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Various photon simulator bugs</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Fixed use of LaTeX math mode</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Fix upload_image</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Enforce plot width in CSS when displayed in a notebook</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Fix cStringIO.StringIO -> cStringIO in png_writer</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Add some input sanitizing and error checking to covering_grid initializer</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Fix for geographic plotting</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Use the correct filename template for single-file OWLS datasets.</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Fix Enzo IO performance for 32 bit datasets</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Adding a number density field for Enzo MultiSpecies=0 datasets.</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Fix RAMSES block ordering</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Fix ART star particle masses to correctly reflect current and initial mass</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Updating ragged array tests for NumPy 1.9.1</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Force returning lists for HDF5FileHandler</span></div></li></ul><br class=""><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; font-family: Arial; font-weight: bold; vertical-align: baseline; white-space: pre-wrap;">Coming Soon!</span></div><br class=""><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline; white-space: pre-wrap;">The next major release of yt will be version 3.3, which is slated to include an overhaul of the volume rendering system and support for analyzing and visualizing unstructured mesh data.</span></div><br class=""><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; font-family: Arial; font-weight: bold; vertical-align: baseline; white-space: pre-wrap;">Standard Installation Methods</span></div><br class=""><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline; white-space: pre-wrap;">As with previous releases, you can install yt from source using one of the following methods.</span></div><br class=""><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline; white-space: pre-wrap;">1) From the install script (</span><a href="http://yt-project.org/#getyt" class="" style="text-decoration: none;"><span class="" style="font-size: 14.6666666666667px; font-family: Arial; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">http://yt-project.org/#getyt</span></a><span class="" style="font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline; white-space: pre-wrap;"> ):</span></div><br class=""><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline; white-space: pre-wrap;">Note, many of the dependencies have been updated since version 3.1. If you previously installed yt from the install script, it is advised that you re-install yt from scratch.</span></div><br class=""><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline; white-space: pre-wrap;"># Installation</span></div><br class=""><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline; white-space: pre-wrap;">$ wget </span><a href="http://bitbucket.org/yt_analysis/yt/raw/stable/doc/install_script.sh" class="" style="text-decoration: none;"><span class="" style="font-size: 14.6666666666667px; font-family: Arial; color: rgb(63, 81, 181); text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">http://bitbucket.org/yt_analysis/yt/raw/stable/doc/install_script.sh</span></a></div><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline; white-space: pre-wrap;">$ bash install_script.sh</span></div><br class=""><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline; white-space: pre-wrap;"># Update</span></div><br class=""><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline; white-space: pre-wrap;">$ yt update</span></div><br class=""><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline; white-space: pre-wrap;">2) From pip (source or binary wheel, see below for more details):</span></div><br class=""><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline; white-space: pre-wrap;"># Installation</span></div><br class=""><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline; white-space: pre-wrap;">$ pip install yt</span></div><br class=""><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline; white-space: pre-wrap;"># Update</span></div><br class=""><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline; white-space: pre-wrap;">$ pip install -U yt</span></div><br class=""><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline; white-space: pre-wrap;">3) From the Anaconda Python Distribution (</span><a href="https://store.continuum.io/cshop/anaconda/" class="" style="text-decoration: none;"><span class="" style="font-size: 14.6666666666667px; font-family: Arial; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">https://store.continuum.io/cshop/anaconda/</span></a><span class="" style="font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline; white-space: pre-wrap;">):</span></div><br class=""><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline; white-space: pre-wrap;"># Installation</span></div><br class=""><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline; white-space: pre-wrap;">$ conda install yt</span></div><br class=""><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline; white-space: pre-wrap;"># Update</span></div><br class=""><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline; white-space: pre-wrap;">$ conda update yt</span></div><br class=""><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline; white-space: pre-wrap;">Note that it might take a day or two for the conda package to be updated.</span></div><br class=""><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline; white-space: pre-wrap;">If you are on the “stable” branch, updating will bring you from yt 3.1 to 3.2, incorporating all</span></div><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline; white-space: pre-wrap;">changes since 3.1, whereas if you are on the “dev” or “yt” branch, only the changes since</span></div><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline; white-space: pre-wrap;">your last update should be incorporated.</span></div><br class=""><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; font-family: Arial; font-weight: bold; vertical-align: baseline; white-space: pre-wrap;">Installing Binary Packages via pip</span></div><br class=""><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline; white-space: pre-wrap;">New to this release is the ability to install binary packages (“wheels”) using pip on Windows and Mac OS X (64-bit only for both). 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 and prevented us from installing yt easily on other Python distributions.</span></div><br class=""><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline; white-space: pre-wrap;">We have so far been able to install and run the binary distribution via pip on the following platforms and Python stacks:</span></div><br class=""><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline; white-space: pre-wrap;">Note that it might take a day or two for the pip wheels to be updated.</span></div><br class=""><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; font-family: Arial; font-weight: bold; vertical-align: baseline; white-space: pre-wrap;">Windows x86_64:</span></div><br class=""><ul class="" style="margin-top: 0pt; margin-bottom: 0pt;"><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Enthought Canopy Python (</span><a href="https://www.enthought.com/products/canopy/" class="" style="text-decoration: none;"><span class="" style="font-size: 14.6666666666667px; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">https://www.enthought.com/products/canopy/</span></a><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">)</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">WinPython (</span><a href="http://winpython.sourceforge.net/" class="" style="text-decoration: none;"><span class="" style="font-size: 14.6666666666667px; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">http://winpython.sourceforge.net/</span></a><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">)</span></div></li></ul><br class=""><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; font-family: Arial; font-weight: bold; vertical-align: baseline; white-space: pre-wrap;">Mac OS X x86_64:</span></div><br class=""><ul class="" style="margin-top: 0pt; margin-bottom: 0pt;"><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Enthought Canopy Python (</span><a href="https://www.enthought.com/products/canopy/" class="" style="text-decoration: none;"><span class="" style="font-size: 14.6666666666667px; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">https://www.enthought.com/products/canopy/</span></a><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">)</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Homebrew Python (</span><a href="http://brew.sh/" class="" style="text-decoration: none;"><span class="" style="font-size: 14.6666666666667px; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">http://brew.sh/</span></a><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">)</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;"><a href="http://Python.org" class="">Python.org</a> Python</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Mac OS X’s system Python</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">MacPorts Python (</span><a href="https://www.macports.org/" class="" style="text-decoration: none;"><span class="" style="font-size: 14.6666666666667px; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">https://www.macports.org/</span></a><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">)</span></div></li></ul><br class=""><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline; white-space: pre-wrap;">This is somewhat experimental, so other distributions may work (or not), please submit bug reports or successes to the mailing list or to the Bitbucket issues page (</span><a href="http://bitbucket.org/yt_analysis/yt/issues" class="" style="text-decoration: none;"><span class="" style="font-size: 14.6666666666667px; font-family: Arial; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">http://bitbucket.org/yt_analysis/yt/issues</span></a><span class="" style="font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline; white-space: pre-wrap;">).</span></div><br class=""><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline; white-space: pre-wrap;">All distributions are recommended to be Python v. 2.7, although with yt 3.2 there is late-stage beta support for Python 3.4. The requirements for installing yt via this method are the same as from source:</span></div><br class=""><ul class="" style="margin-top: 0pt; margin-bottom: 0pt;"><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">NumPy</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">h5py</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">HDF5</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">SymPy</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">Matplotlib</span></div></li><li dir="ltr" class="" style="list-style-type: disc; font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline;"><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; vertical-align: baseline; white-space: pre-wrap;">IPython (not required, but strongly recommended)</span></div></li></ul><br class=""><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline; white-space: pre-wrap;">To install a new version of yt on one of these platforms, simply do</span></div><br class=""><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline; white-space: pre-wrap;">$ pip install yt</span></div><br class=""><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline; white-space: pre-wrap;">and you should get the binary distribution automatically. Also, if your python installation is system-wide (e.g., the Mac system Python) you might need to run pip with administrator privileges.</span></div><br class=""><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline; white-space: pre-wrap;">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-3.2 at </span><a href="http://yt-project.org/docs/3.2" class="" style="text-decoration: none;"><span class="" style="font-size: 14.6666666666667px; font-family: Arial; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">http://yt-project.org/docs/3.2</span></a><span class="" style="font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline; white-space: pre-wrap;">.</span></div><br class=""><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline; white-space: pre-wrap;">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></div><br class=""><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline; white-space: pre-wrap;">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></div><br class=""><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline; white-space: pre-wrap;">All the best,</span></div><div class="" style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;"><span class="" style="font-size: 14.6666666666667px; font-family: Arial; vertical-align: baseline; white-space: pre-wrap;">The yt development team</span></div></span></div></div></body></html>