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<body class='hmmessage'><div dir='ltr'>Hi John,<br><br>I am sorry for the late reply.<br><br>I use spyder which comes with modules installed.<br><br>Thank you for your help!<br>Alex<br><br><hr>From: jzuhone@gmail.com<br>Date: Wed, 26 Aug 2015 17:50:44 -0400<br>To: yt-users@lists.spacepope.org<br>Subject: Re: [yt-users] problem with units<br><br>Alex, <div><br></div><div>My apologies—this is a bug in the code. I have a fix, which I hope to have ready by tonight or tomorrow.</div><div><div><br></div><div>Just a quick question—how did you install yt? It looks like your Python stack is in /usr/local. </div><div><br></div><div>Best,</div><div><br></div><div>John</div><div><br><div><blockquote><div>On Aug 26, 2015, at 3:26 AM, alex volioths <<a href="mailto:alex-volos@hotmail.com">alex-volos@hotmail.com</a>> wrote:</div><br class=ecxApple-interchange-newline><div><div dir=ltr style="font-family:Calibri;font-size:16px;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;">Hello John<div><br></div><div>I am using spyder to run the script. Spyder is using the 1.8.2 version.</div><div><br></div><div>Cheers</div><div>Alex</div><div><br><div>From: <a href="mailto:jzuhone@gmail.com">jzuhone@gmail.com</a><br>Date: Tue, 25 Aug 2015 09:54:31 -0400<br>To: <a href="mailto:yt-users@lists.spacepope.org">yt-users@lists.spacepope.org</a><br>Subject: Re: [yt-users] problem with units<br><br><div>Hi Alex,</div><div id=ecxAppleMailSignature><br></div><div id=ecxAppleMailSignature>Sorry for the trouble--I'll see if I can figure out what's gone wrong on this end.</div><div id=ecxAppleMailSignature><br></div><div id=ecxAppleMailSignature>It looks like you're running yt 3.2--can you tell me what version of NumPy you are running?</div><div id=ecxAppleMailSignature><br></div><div id=ecxAppleMailSignature>Best,</div><div id=ecxAppleMailSignature><br></div><div id=ecxAppleMailSignature>John<br><br><span style="font-size:13pt;background-color:rgba(255, 255, 255, 0);">John ZuHone</span><br><div><span style="background-color:rgba(255, 255, 255, 0);">Kavli Center for Astrophysics and Space Research<br>Massachusetts Institute of Technology<br><a target=_blank>77 Massachusetts Ave.</a>, 37-582G<br><a target=_blank>Cambridge, MA 02139</a><br>(w) <a target=_blank>617-253-2354</a><br>(m) <a target=_blank>781-708-5004</a><br><a href="mailto:jzuhone@space.mit.edu">jzuhone@space.mit.edu</a><br><a href="mailto:jzuhone@gmail.com">jzuhone@gmail.com</a><br><a href="http://www.jzuhone.com/" target=_blank>http://www.jzuhone.com</a></span><br style="font-family:UICTFontTextStyleBody;"></div></div><div><br>On Aug 25, 2015, at 9:41 AM, alex volioths <<a href="mailto:alex-volos@hotmail.com">alex-volos@hotmail.com</a>> wrote:<br><br></div><blockquote><div><div dir=ltr>Hello everyone,<div><br></div><div>I've been practicing with the example "Creating a X-ray observation from an in-memory dataset" </div><div>from here <a href="http://yt-project.org/doc/analyzing/analysis_modules/photon_simulator.html" target=_blank style="font-size:12pt;">http://yt-project.org/doc/analyzing/analysis_modules/photon_simulator.html</a> </div><div><br></div><div>However even with simple copy and paste after defining the photons I get this error message:</div><div><br></div><div><br><br>File<span class=ecxApple-converted-space> </span><span style="color:rgb(0, 100, 0);">"/usr/local/lib/python2.7/dist-packages/spyderlib/widgets/externalshell/sitecustomize.py"</span>, line<span class=ecxApple-converted-space> </span><span style="color:rgb(0, 100, 0);">685</span>, in<span class=ecxApple-converted-space> </span><span style="color:rgb(148, 0, 211);">runfile</span><br>execfile(filename, namespace)<br><br><br>File<span class=ecxApple-converted-space> </span><span style="color:rgb(0, 100, 0);">"/usr/local/lib/python2.7/dist-packages/spyderlib/widgets/externalshell/sitecustomize.py"</span>, line<span class=ecxApple-converted-space> </span><span style="color:rgb(0, 100, 0);">78</span>, in<span class=ecxApple-converted-space> </span><span style="color:rgb(148, 0, 211);">execfile</span><br>builtins.execfile(filename, *where)<br><br><br>File<span class=ecxApple-converted-space> </span><span style="color:rgb(0, 100, 0);">"/home/afi/Documents/X_ray_sim/X_mock.py"</span>, line<span class=ecxApple-converted-space> </span><span style="color:rgb(0, 100, 0);">75</span>, in<span class=ecxApple-converted-space> </span><span style="color:rgb(148, 0, 211);"><module></span><br>exp_time, thermal_model, center="c")<br><br><br>File<span class=ecxApple-converted-space> </span><span style="color:rgb(0, 100, 0);">"/usr/local/lib/python2.7/dist-packages/yt-3.2-py2.7-linux-x86_64.egg/yt/analysis_modules/photon_simulator/photon_simulator.py"</span>, line<span class=ecxApple-converted-space> </span><span style="color:rgb(0, 100, 0);">330</span>, in<span class=ecxApple-converted-space> </span><span style="color:rgb(148, 0, 211);">from_scratch</span><br>photons = photon_model(data_source, parameters)<br><br><br>File<span class=ecxApple-converted-space> </span><span style="color:rgb(0, 100, 0);">"/usr/local/lib/python2.7/dist-packages/yt-3.2-py2.7-linux-x86_64.egg/yt/analysis_modules/photon_simulator/photon_models.py"</span>, line<span class=ecxApple-converted-space> </span><span style="color:rgb(0, 100, 0);">140</span>, in<span class=ecxApple-converted-space> </span><span style="color:rgb(148, 0, 211);">__call__</span><br>kT_bins = np.linspace(kT_min, max(my_kT_max, kT_max), num=n_kT+1)<br><br><br>File<span class=ecxApple-converted-space> </span><span style="color:rgb(0, 100, 0);">"/usr/lib/python2.7/dist-packages/numpy/core/function_base.py"</span>, line<span class=ecxApple-converted-space> </span><span style="color:rgb(0, 100, 0);">87</span>, in<span class=ecxApple-converted-space> </span><span style="color:rgb(148, 0, 211);">linspace</span><br>step = (stop-start)/float((num-1))<br><br><br>File<span class=ecxApple-converted-space> </span><span style="color:rgb(0, 100, 0);">"/usr/local/lib/python2.7/dist-packages/yt-3.2-py2.7-linux-x86_64.egg/yt/units/yt_array.py"</span>, line<span class=ecxApple-converted-space> </span><span style="color:rgb(0, 100, 0);">745</span>, in<span class=ecxApple-converted-space> </span><span style="color:rgb(148, 0, 211);">__sub__</span><br>ro = sanitize_units_add(self, right_object, "subtraction")<br><br><br><span style="color:rgb(70, 130, 180);">File<span class=ecxApple-converted-space> </span></span><span style="color:rgb(0, 100, 0);">"/usr/local/lib/python2.7/dist-packages/yt-3.2-py2.7-linux-x86_64.egg/yt/units/yt_array.py"</span><span style="color:rgb(70, 130, 180);">, line<span class=ecxApple-converted-space> </span></span><span style="color:rgb(0, 100, 0);">134</span><span style="color:rgb(70, 130, 180);">, in<span class=ecxApple-converted-space> </span></span><span style="color:rgb(148, 0, 211);">sanitize_units_add</span><br><span style="color:rgb(139, 0, 0);">raise YTUnitOperationError(op_string, inp.units, dimensionless)</span><br><br><br><span style="color:rgb(139, 0, 0);">YTUnitOperationError:</span><span class=ecxApple-converted-space> </span>The subtraction operator for YTArrays with units (keV) and (1) is not well defined.<br><br><br>Any ideas? I am new to yt and i can't see something wrong.<br><br><br>Thnak you<br>Alex<br></div><h2 style="box-sizing:border-box;font-family:Raleway, 'Helvetica Neue', Helvetica, Arial, sans-serif;line-height:1.1;color:rgb(51, 51, 51);font-size:34px;height:45px;visibility:hidden;background-color:rgb(255, 255, 255);"></h2><h2 style="box-sizing:border-box;font-family:Raleway, 'Helvetica Neue', Helvetica, Arial, sans-serif;line-height:1.1;color:rgb(51, 51, 51);font-size:34px;height:45px;visibility:hidden;background-color:rgb(255, 255, 255);"></h2></div></div></blockquote><blockquote><div><span>_______________________________________________</span><br><span>yt-users mailing list</span><br><span><a href="mailto:yt-users@lists.spacepope.org">yt-users@lists.spacepope.org</a></span><br><span><a href="http://lists.spacepope.org/listinfo.cgi/yt-users-spacepope.org" target=_blank>http://lists.spacepope.org/listinfo.cgi/yt-users-spacepope.org</a></span><br></div></blockquote><br>_______________________________________________ yt-users mailing list<span class=ecxApple-converted-space> </span><a href="mailto:yt-users@lists.spacepope.org">yt-users@lists.spacepope.org</a><span class=ecxApple-converted-space> </span><a href="http://lists.spacepope.org/listinfo.cgi/yt-users-spacepope.org" target=_blank>http://lists.spacepope.org/listinfo.cgi/yt-users-spacepope.org</a></div></div></div><span style="font-family:Calibri;font-size:16px;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;display:inline !important;">_______________________________________________</span><br style="font-family:Calibri;font-size:16px;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;"><span style="font-family:Calibri;font-size:16px;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;display:inline !important;">yt-users mailing list</span><br style="font-family:Calibri;font-size:16px;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;"><a href="mailto:yt-users@lists.spacepope.org" style="font-family:Calibri;font-size:16px;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;">yt-users@lists.spacepope.org</a><br style="font-family:Calibri;font-size:16px;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;"><a href="http://lists.spacepope.org/listinfo.cgi/yt-users-spacepope.org" style="font-family:Calibri;font-size:16px;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;" target=_blank>http://lists.spacepope.org/listinfo.cgi/yt-users-spacepope.org</a></div></blockquote></div><br></div></div><br>_______________________________________________
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