[mcstas-users] Can' Scan McStas3 on Win11

Thu Jun 13 21:55:15 CEST 2024

Peter,

Thank you for the reply.  Since my previous email, I tested scans using BNL_H9.instr as downloaded from the McStas site.  I was able to scan over lambda using that instr file.

I’ve attached the instr I’m using and the supplementary files it calls.  When I run it with a single set of parameters, it runs fine.  When I scan over a parameter, it generates output for the first value within a subdirectory “0” and creates an empty mccode.dat file.

The screenshot shows what I type in.  The scan is over the IncidentCollRadius and has argument 0.002,0.0025, but it got cut off from the screen.

The end of the output looks like:

Detector: Norm_Mon_2_Flux_I=709023 Norm_Mon_2_Flux_ERR=5152.36 Norm_Mon_2_Flux_N=21731 "Norm_Mon_2_Flux"
Detector: SampleColl_up_Flux_Tile_I=709023 SampleColl_up_Flux_Tile_ERR=5152.36 SampleColl_up_Flux_Tile_N=21731 "SampleColl_up_Flux_Tile"
Detector: SampleColl_dn_Flux_Ap_I=53261.2 SampleColl_dn_Flux_Ap_ERR=1421.34 SampleColl_dn_Flux_Ap_N=1563 "SampleColl_dn_Flux_Ap"
Detector: Sample_Position_Flux_Tile_I=53261.2 Sample_Position_Flux_Tile_ERR=1421.34 Sample_Position_Flux_Tile_N=1563 "Sample_Position_Flux_Tile"
Detector: Sample_Position_Flux_Ap_I=45675.9 Sample_Position_Flux_Ap_ERR=1321.34 Sample_Position_Flux_Ap_N=1324 "Sample_Position_Flux_Ap"

Finally [SNAP: Z:\Sherline\Work\Experiments\ULT_DAC\IPTS-32577.1\McStas_SNAP\MyStuff\TestingForScans\StartWithThomass\SNAP_McStas3_5_20240613_153300/0]. Time: 7 [s]
INFO: Finish running step, get detectors
Traceback (most recent call last):
  File "C:\mcstas-3.4\lib\tools\Python\mcrun\mcrun.py", line 562, in <module>
    main()
  File "C:\mcstas-3.4\lib\tools\Python\mcrun\mcrun.py", line 531, in main
    scanner.run()  # in optimisation.py
  File "C:\mcstas-3.4\lib\tools\Python\mcrun\optimisation.py", line 259, in run
    detectors = mcsimdetectors(current_dir)
  File "C:\mcstas-3.4\lib\tools\Python\mcrun\optimisation.py", line 169, in mcsimdetectors
    return [Detector(d['component'], *d['values'].split(), d['filename']) for d in blocks]
  File "C:\mcstas-3.4\lib\tools\Python\mcrun\optimisation.py", line 169, in <listcomp>
    return [Detector(d['component'], *d['values'].split(), d['filename']) for d in blocks]
KeyError: 'filename'

Sincerely,
Todd.

[cid:image001.png at 01DABDA8.F41A7160]

From: Peter Kjær Willendrup <pkwi at dtu.dk>
Sent: Thursday, June 13, 2024 3:12 PM
To: mcstas <mcstas-users at mcstas.org>
Cc: Sherline, Todd <sherlinete at ornl.gov>
Subject: [EXTERNAL] Re: [mcstas-users] Can' Scan McStas3 on Win11

Hi Todd

I believe we are no longer sensitive to the mention proxy issue, and this should have nothing to do with the issue you mention.
- And there should be no reason to reinstall anything if you are able to bring up the gui.

Can you elaborate a bit on how you are attempting to scan - and how it fails for you? (e.g. send me a screenshot)

To run a scan in mcgui:
- Bring up the “run dialogue”
- Supply the scan-range by adding e.g. 0,1 (no whitespace) in a parameter entry box
- Supply the wanted number of steps e.g. 11

To run a scan on the commandline
- use mcrun and supply parameter range and number of steps using e.g.

mcrun instrument.instr par1=0,1 -N11

Best,
Peter

Sherlinete at ornl.gov wrote:

HI all,

I cannot perform parameter scans using my installation of McStas 3.4.  I am running on a 64 bit Windows 10 Enterprise machine.
I noticed that there are specific installation instructions for the case when my machine is behind a proxy server.  I am at the SNS, so I assume that is the case, but I did not follow those instructions when I installed the McStas 3.4 Metapackage.  Could this be the reason I cannot run a scan?  Other than the problem with scans, the installation seems to work fine.  Should I try reinstalling it using the instructions specific to proxy servers?

Any other ideas why this problem may crop up?

Best,
Todd.

Peter Kjær Willendrup
Forskningsingeniør, Specialkonsulent

DTU Physics

Technical University of Denmark

[cid:image003.gif at 01DABDA8.F41A7160]

Department of Physics
Fysikvej
Building 307
DK-2800 Kongens Lyngby

Main office at
ESS DMSC
Building 305
DK-2800 Kongens Lyngby

Direct +45 2125 4612
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Fax +45 4593 2399
pkwi at fysik.dtu.dk<mailto:pkwi at fysik.dtu.dk>

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