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<div class="moz-cite-prefix">Hi Rob,<br>
not sure if it's what you want to achieve, but would it not be
easier to monitor log10(Q) with limits from -3 to 0 and 90 linear
bins?<br>
That should be simple with Monitor_nD and user variables (see
section 9.8.7 of the Component Manual):<br>
<font face="monospace">COMPONENT QMonitor = Monitor nD (
user1=log10(Q) , username1=”Log (Q)” , ....)</font><br>
<br>
Unless that's what you wanted to avoid for some reason.<br>
<br>
Best,<br>
Markus<br>
<br>
On 21/01/2026 13:09, Robert Dalgliesh - STFC UKRI via mcstas-users
wrote:<br>
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<p class="MsoNormal">Hi,<o:p></o:p></p>
<p class="MsoNormal">If I want to create a new detector with
logarithmic binning is there an easy way to export the x
array?<o:p></o:p></p>
<p class="MsoNormal">The way DETECTOR_OUT_1D works requires the
binning scheme to be linear.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I would like to define e.g. q bins<o:p></o:p></p>
<p class="MsoNormal">1e-3 to 1.0 with 8% binning so the bins are
<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">[a,ab,ab^2,….] where a=1e-3 and b=1.08.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Working out which bin to put data into is
straightforward in the same way as linear bins but data output
isn’t, due to the constraints of the function above.<o:p></o:p></p>
<p class="MsoNormal">In addition, the read function for mcstas
plotting would need modification so I guess it will mean an
additional function is required unless I’ve missed something.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Obviously, I can write something that
outputs the data and post process the x array but that’s not
ideal.
<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Rob<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span
style="font-size:8.0pt;font-family:"Arial",sans-serif;mso-ligatures:none;mso-fareast-language:EN-GB">====================================================================<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:8.0pt;font-family:"Arial",sans-serif;mso-ligatures:none;mso-fareast-language:EN-GB">If
you receive this email outside working hours then please do
not feel obliged to reply<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:8.0pt;font-family:"Arial",sans-serif;mso-ligatures:none;mso-fareast-language:EN-GB">====================================================================<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:8.0pt;font-family:"Arial",sans-serif;mso-ligatures:none;mso-fareast-language:EN-GB">Dr.
Robert Dalgliesh<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:8.0pt;font-family:"Arial",sans-serif;mso-ligatures:none;mso-fareast-language:EN-GB">Small
Angle Scattering Group Leader<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:8.0pt;font-family:"Arial",sans-serif;color:#333333;background:white;mso-ligatures:none;mso-fareast-language:EN-GB">ISIS
Neutron and Muon Source</span><span
style="font-size:8.0pt;font-family:"Arial",sans-serif;color:#333333;mso-ligatures:none;mso-fareast-language:EN-GB"><br>
<span style="background:white">Science and Technology
Facilities Council</span><br>
<span style="background:white">Building R3 1.29, <o:p></o:p></span></span></p>
<p class="MsoNormal"><span
style="font-size:8.0pt;font-family:"Arial",sans-serif;color:#333333;background:white;mso-ligatures:none;mso-fareast-language:EN-GB">Rutherford
Appleton Laboratory</span><span
style="font-size:8.0pt;font-family:"Arial",sans-serif;color:#333333;mso-ligatures:none;mso-fareast-language:EN-GB">,<br>
<span style="background:white">Harwell Campus, <o:p></o:p></span></span></p>
<p class="MsoNormal"><span
style="font-size:8.0pt;font-family:"Arial",sans-serif;color:#333333;background:white;mso-ligatures:none;mso-fareast-language:EN-GB">Didcot</span><span
style="font-size:8.0pt;font-family:"Arial",sans-serif;color:#333333;mso-ligatures:none;mso-fareast-language:EN-GB"><br>
<span style="background:white">Oxfordshire, <o:p></o:p></span></span></p>
<p class="MsoNormal"><span
style="font-size:8.0pt;font-family:"Arial",sans-serif;color:#333333;background:white;mso-ligatures:none;mso-fareast-language:EN-GB">OX11
0QX. <o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:8.0pt;font-family:"Arial",sans-serif;color:#333333;background:white;mso-ligatures:none;mso-fareast-language:EN-GB">UK</span><span
style="font-size:8.0pt;font-family:"Arial",sans-serif;color:#333333;mso-ligatures:none;mso-fareast-language:EN-GB"><o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:8.0pt;font-family:"Arial",sans-serif;color:#333333;background:white;mso-ligatures:none;mso-fareast-language:EN-GB">Tel:
+44(0)1235-445687<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:8.0pt;font-family:"Arial",sans-serif;color:#333333;background:white;mso-ligatures:none;mso-fareast-language:EN-GB">Email:
<a class="moz-txt-link-abbreviated" href="mailto:Robert.dalgliesh@stfc.ac.uk">Robert.dalgliesh@stfc.ac.uk</a></span><span
style="font-size:8.0pt;font-family:"Arial",sans-serif;mso-ligatures:none;mso-fareast-language:EN-GB"><o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<br>
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