<div dir="ltr">Hello all, yt has some of the greatest plotting capabilities, and I greatly enjoy working with yt! Recently I have begun to work with hdf5 data from a large scale galaxy simulation (illustris) and I was wondering how I can work with the data, is there a general munging procedure for getting it into the correct yt format? When I try to plot <div><br></div><div><div>import yt</div><div><br></div><div>ds = yt.load("Groups_hdf5_plt_cnt_0150")</div><div>yt.SlicePlot(ds, 'x', "density", width = (800.0, 'kpc')).save()</div><div>yt.SlicePlot(ds, 'y', "density", width = (800.0, 'kpc')).save()</div><div>yt.SlicePlot(ds, 'z', "density", width = (800.0, 'kpc')).save()</div><div><br></div></div><div>I get the following error:</div><div><br></div><div>







<p class=""><span class="">/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/yt/frontends/gadget_fof/data_structures.pyc</span><span class=""> in </span><span class="">_parse_parameter_file</span><span class="">(self)</span></p>
<p class=""><span class=""><b>    151</b></span><span class="">         self</span><span class="">.</span><span class="">periodicity </span><span class="">=</span><span class=""> </span><span class="">(</span><span class="">True</span><span class="">,</span><span class=""> True</span><span class="">,</span><span class=""> True</span><span class="">)</span></p>
<p class=""><span class=""><b>    152</b></span><span class="">         self</span><span class="">.</span><span class="">current_redshift </span><span class="">=</span><span class=""> hvals</span><span class="">["Redshift"]</span></p>
<p class=""><span class="">--> 153</span><span class="">         </span><span class="">self</span><span class="">.</span><span class="">omega_lambda </span><span class="">=</span><span class=""> hvals</span><span class="">["OmegaLambda"]</span></p>
<p class=""><span class=""><b>    154</b></span><span class="">         self</span><span class="">.</span><span class="">omega_matter </span><span class="">=</span><span class=""> hvals</span><span class="">["Omega0"]</span></p>
<p class=""><span class=""><b>    155</b></span><span class="">         self</span><span class="">.</span><span class="">hubble_constant </span><span class="">=</span><span class=""> hvals</span><span class="">["HubbleParam"]</span></p>
<p class=""><span class=""></span><br></p>
<p class=""><span class="">KeyError</span><span class="">: 'OmegaLambda'</span></p><p class=""><span class=""><br></span></p><p class=""><span class=""><br></span></p><p class=""><span class=""><br></span></p><p class=""><span class="">I am guessing this is because the field entries do not match up.</span></p><p class=""><span class=""><br></span></p><p class=""><span class="">Any help is much appreciated!</span></p><p class=""><span class=""><br></span></p><p class=""><span class="">Dan</span></p></div></div>