<div dir="ltr">Dear All,<div><br></div><div>I am trying to create a HaloCatalog with the following code.</div><div><font face="monospace, monospace" color="#ff00ff"><br clear="all"></font><div><div><font face="monospace, monospace" color="#ff00ff">import yt</font></div><div><font face="monospace, monospace" color="#ff00ff">from yt.analysis_modules.halo_analysis.api import HaloCatalog</font></div></div><div><font face="monospace, monospace" color="#ff00ff">data_ds = yt.load('../RD0057/RedshiftOutput0057')<br></font></div><div><div><font face="monospace, monospace" color="#ff00ff">hc = HaloCatalog(data_ds=data_ds, finder_method='hop', finder_kwargs={"threshold": 500.0, "dm_only": False, "ptype": "all", "padding": 0.02})</font></div><div><font face="monospace, monospace" color="#ff00ff">hc.add_filter("quantity_value", "particle_mass", ">", 5e12, "Msun")</font></div><div><font face="monospace, monospace" color="#ff00ff">hc.create()</font></div></div><div><br></div><div>With this, I am able to create the catalog. But when we are trying to load it, I am unable to get almost all fields. Here i am copying the error message. </div><div><br></div><div><div> <font face="monospace, monospace">File "tra_flux_on_earth.py", line 161, in <module></font></div><div><font face="monospace, monospace"> hc = HaloCatalog(halos_ds=halos)</font></div><div><font face="monospace, monospace"> File "/home/john/anaconda3/lib/python3.6/site-packages/yt/analysis_modules/halo_analysis/halo_catalog.py", line 126, in __init__</font></div><div><font face="monospace, monospace"> halos_ds.index</font></div><div><font face="monospace, monospace"> File "/home/john/anaconda3/lib/python3.6/site-packages/yt/data_objects/static_output.py", line 424, in index</font></div><div><font face="monospace, monospace"> self.create_field_info()</font></div><div><font face="monospace, monospace"> File "/home/john/anaconda3/lib/python3.6/site-packages/yt/data_objects/static_output.py", line 481, in create_field_info</font></div><div><font face="monospace, monospace"> self.field_info.load_all_plugins()</font></div><div><font face="monospace, monospace"> File "/home/john/anaconda3/lib/python3.6/site-packages/yt/fields/field_info_container.py", line 279, in load_all_plugins</font></div><div><font face="monospace, monospace"> self.find_dependencies(loaded)</font></div><div><font face="monospace, monospace"> File "/home/john/anaconda3/lib/python3.6/site-packages/yt/fields/field_info_container.py", line 292, in find_dependencies</font></div><div><font face="monospace, monospace"> deps, unavailable = self.check_derived_fields(loaded)</font></div><div><font face="monospace, monospace"> File "/home/john/anaconda3/lib/python3.6/site-packages/yt/fields/field_info_container.py", line 362, in check_derived_fields</font></div><div><font face="monospace, monospace"> fd = fi.get_dependencies(ds = self.ds)</font></div><div><font face="monospace, monospace"> File "/home/john/anaconda3/lib/python3.6/site-packages/yt/fields/derived_field.py", line 178, in get_dependencies</font></div><div><font face="monospace, monospace"> e[<a href="http://self.name">self.name</a>]</font></div><div><font face="monospace, monospace"> File "/home/john/anaconda3/lib/python3.6/site-packages/yt/fields/field_detector.py", line 99, in __missing__</font></div><div><font face="monospace, monospace"> vv = finfo(self)</font></div><div><font face="monospace, monospace"> File "/home/john/anaconda3/lib/python3.6/site-packages/yt/fields/derived_field.py", line 204, in __call__</font></div><div><font face="monospace, monospace"> dd = self._function(self, data)</font></div><div><font face="monospace, monospace"> File "tra_flux_on_earth.py", line 72, in _fact</font></div><div><font face="monospace, monospace"> tempo = Obs_freq/(1.6e6*data["MagField"]/for_mag)</font></div><div><font face="monospace, monospace"> File "/home/john/anaconda3/lib/python3.6/site-packages/yt/fields/field_detector.py", line 99, in __missing__</font></div><div><font face="monospace, monospace"> vv = finfo(self)</font></div><div><font face="monospace, monospace"> File "/home/john/anaconda3/lib/python3.6/site-packages/yt/fields/derived_field.py", line 204, in __call__</font></div><div><font face="monospace, monospace"> dd = self._function(self, data)</font></div><div><font face="monospace, monospace"> File "tra_flux_on_earth.py", line 36, in _magfeed</font></div><div><font face="monospace, monospace"> mag = (0.05*4.0*pie*data["density"]*(data["TurbVel"]**2))**0.5</font></div><div><font face="monospace, monospace"> File "/home/john/anaconda3/lib/python3.6/site-packages/yt/fields/field_detector.py", line 89, in __missing__</font></div><div><font face="monospace, monospace"> finfo = self.ds._get_field_info(*field)</font></div><div><font face="monospace, monospace"> File "/home/john/anaconda3/lib/python3.6/site-packages/yt/data_objects/static_output.py", line 666, in _get_field_info</font></div><div><font face="monospace, monospace"> raise YTFieldNotFound((ftype, fname), self)</font></div><div><font face="monospace, monospace">yt.utilities.exceptions.YTFieldNotFound: Could not find field '('all', 'density')' in catalog.0.h5.</font></div></div><div><br></div><div><br></div><div>What could be the problem?</div><div> <br></div>-- <br><div class="gmail_signature"><div dir="ltr">Reju Sam John</div></div>
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