Groups
Groups
Sign in
Groups
Groups
mcx-users
Conversations
About
Send feedback
Help
mcx-users
1–30 of 878
Mark all as read
Report group
0 selected
Hugo L. Higueros
, …
Qianqian Fang
5
Jan 28
MCXLAB-CL not working on MacBook Pro (M5)
Hi Dr. Fang, I was able to solve this problem after adding all the subfolders you mentioned, removing
unread,
MCXLAB-CL not working on MacBook Pro (M5)
Hi Dr. Fang, I was able to solve this problem after adding all the subfolders you mentioned, removing
Jan 28
Jinze Li
, …
Fang, Qianqian
4
Jan 27
Unit conversion for ‘flux’ output
Hi Jinze, Matching a simulation model with real-world measurements is not an easy task as you might
unread,
Unit conversion for ‘flux’ output
Hi Jinze, Matching a simulation model with real-world measurements is not an easy task as you might
Jan 27
Qianqian Fang
Jan 23
[Announcement] Neurophotonics Special Issue on public datasets and fNIRS Open Dataset Contest 2026
(You received this message because you are a registered user of MCX (https://mcx.space), Iso2Mesh (
unread,
[Announcement] Neurophotonics Special Issue on public datasets and fNIRS Open Dataset Contest 2026
(You received this message because you are a registered user of MCX (https://mcx.space), Iso2Mesh (
Jan 23
Jonathan Lee
,
Fang, Qianqian
2
Jan 11
fan-shaped optical beam source
Hi Jonathan, Sorry for the delay. mcx has a Gaussian-broadened slit-source option, contributed by
unread,
fan-shaped optical beam source
Hi Jonathan, Sorry for the delay. mcx has a Gaussian-broadened slit-source option, contributed by
Jan 11
Maurice
, …
Qianqian Fang
9
12/13/25
Can't find function mcx Matlab
Hi Subham, Participating discussions in this mailing list, just like in any other public forum on the
unread,
Can't find function mcx Matlab
Hi Subham, Participating discussions in this mailing list, just like in any other public forum on the
12/13/25
Jonas
,
Qianqian Fang
5
12/11/25
Issues with 2-layer skin simulation (epidermis/dermis) + detector output questions
hi Jonas, have you tried the github action build at this link? https://mcx.space/nightly/github/ on
unread,
Issues with 2-layer skin simulation (epidermis/dermis) + detector output questions
hi Jonas, have you tried the github action build at this link? https://mcx.space/nightly/github/ on
12/11/25
Jason Yang
,
Qianqian Fang
6
12/11/25
pmcx binary extension (_pmcx) is not compiled
Hi Qianqian, Thanks for the quick replies to this! I have just checked on my end and can confirm that
unread,
pmcx binary extension (_pmcx) is not compiled
Hi Qianqian, Thanks for the quick replies to this! I have just checked on my end and can confirm that
12/11/25
m wellnhofer
,
Qianqian Fang
2
12/4/25
Modification Detector
hi Michael, yes, this is a valid approach - at this moment, it is also the only approach to simulate
unread,
Modification Detector
hi Michael, yes, this is a valid approach - at this moment, it is also the only approach to simulate
12/4/25
N Namazova
, …
Qianqian Fang
6
12/3/25
reflectance interpretation
hi Nigar, no padding is needed in mmclab. all you need to do is to set cfg.issaveref to 1. the
unread,
reflectance interpretation
hi Nigar, no padding is needed in mmclab. all you need to do is to set cfg.issaveref to 1. the
12/3/25
Qianqian Fang
12/2/25
New preprint: raytracing hardware (RT-core) accelerated MMC
hi everyone, I mentioned about a new MMC that my students had been previously working on - I am
unread,
New preprint: raytracing hardware (RT-core) accelerated MMC
hi everyone, I mentioned about a new MMC that my students had been previously working on - I am
12/2/25
Samin Enam
,
Qianqian Fang
6
11/28/25
MCX Transmittance and detector query
the way you computed the weights and transmittance looks fine to me. On 11/21/25 16:13, Samin Enam
unread,
MCX Transmittance and detector query
the way you computed the weights and transmittance looks fine to me. On 11/21/25 16:13, Samin Enam
11/28/25
Quý Tân Hà
,
Qianqian Fang
2
11/21/25
ABOUT MCXSTUDIO FOR MAC M2
hi Tan, apple silicon (including M2) does not support NVIDIA GPU or CUDA, so we don't build mcx
unread,
ABOUT MCXSTUDIO FOR MAC M2
hi Tan, apple silicon (including M2) does not support NVIDIA GPU or CUDA, so we don't build mcx
11/21/25
Tamara Tromp
, …
Qianqian Fang
5
11/20/25
Error that should never happen
hi Tamara, thanks for the follow up. I was indeed able to see the message on my 2080S - I previously
unread,
Error that should never happen
hi Tamara, thanks for the follow up. I was indeed able to see the message on my 2080S - I previously
11/20/25
asassa01
,
Qianqian Fang
4
11/15/25
Koehler source
sorry, I have one correction and one clarification: first, the below statements were actually
unread,
Koehler source
sorry, I have one correction and one clarification: first, the below statements were actually
11/15/25
yx W
,
Qianqian Fang
2
11/11/25
mcxlab-3D sources
mcx/mcxlab supports a "pattern3d" source type, please review and run this section of the
unread,
mcxlab-3D sources
mcx/mcxlab supports a "pattern3d" source type, please review and run this section of the
11/11/25
Theo Husby
,
Qianqian Fang
3
11/10/25
Question about detector behaviour with total internal and Fresnel reflection
Perfect! Thanks for the clarifications! On Friday, November 7, 2025 at 11:41:42 PM UTC-5 q.fang wrote
unread,
Question about detector behaviour with total internal and Fresnel reflection
Perfect! Thanks for the clarifications! On Friday, November 7, 2025 at 11:41:42 PM UTC-5 q.fang wrote
11/10/25
Fang, Qianqian
, …
Qianqian Fang
15
11/8/25
Split-voxel MC (SVMC) paper and software support update
I was also able to reproduce this "misaligned address" error with the latest v2025.10
unread,
Split-voxel MC (SVMC) paper and software support update
I was also able to reproduce this "misaligned address" error with the latest v2025.10
11/8/25
Vytautas Gradauskas
,
Qianqian Fang
2
11/7/25
Detector intersection area
hi Vytas, no, mcx does not have such function. it is actually not easy to do - tessellating 3D points
unread,
Detector intersection area
hi Vytas, no, mcx does not have such function. it is actually not easy to do - tessellating 3D points
11/7/25
Tara Ahmed
,
Qianqian Fang
2
10/28/25
Question about MCX for tPBM - Fang/Cassano Paper
see my replies below On 10/28/25 14:09, Tara Ahmed wrote: You don't often get email from tvahmed@
unread,
Question about MCX for tPBM - Fang/Cassano Paper
see my replies below On 10/28/25 14:09, Tara Ahmed wrote: You don't often get email from tvahmed@
10/28/25
Emillie Jo
,
Qianqian Fang
3
10/28/25
Understanding fluence map output for modelling a source-detector separation problem
Hi Qianqian, Thank you so much for your detailed response and for the links to the Github examples -
unread,
Understanding fluence map output for modelling a source-detector separation problem
Hi Qianqian, Thank you so much for your detailed response and for the links to the Github examples -
10/28/25
Emillie Jo
,
Qianqian Fang
2
10/23/25
Modelling an LED source vs laser - equivalent power, profile and unit conversion
see replies below On 10/22/25 16:49, Emillie Jo wrote: You don't often get email from
unread,
Modelling an LED source vs laser - equivalent power, profile and unit conversion
see replies below On 10/22/25 16:49, Emillie Jo wrote: You don't often get email from
10/23/25
Qianqian Fang
,
Charly CAREDDA
3
10/22/25
Re: [mmc-users] Redbird - Conversion of fluence into diffuse reflectance
just one more clarification regarding your reply below: there is really just one formula connecting
unread,
Re: [mmc-users] Redbird - Conversion of fluence into diffuse reflectance
just one more clarification regarding your reply below: there is really just one formula connecting
10/22/25
Connor Henley
,
Qianqian Fang
3
10/22/25
Suggestion for mcxlab README update
Okay, this is good to know, thank you. Unfortunately I don't think I'll be able to replicate
unread,
Suggestion for mcxlab README update
Okay, this is good to know, thank you. Unfortunately I don't think I'll be able to replicate
10/22/25
yiwei li
, …
Qianqian Fang
4
10/21/25
help
.mexmaci64 is for intel-x86_64 processors. while your mac is running on apple silicon (arm64), your
unread,
help
.mexmaci64 is for intel-x86_64 processors. while your mac is running on apple silicon (arm64), your
10/21/25
Qianqian Fang
10/20/25
Please re-download mmc/mmclab/mcxstudio v2025.10
hi everyone, I got a bug report (https://github.com/fangq/mmc/issues/113) related to pmmc. It turns
unread,
Please re-download mmc/mmclab/mcxstudio v2025.10
hi everyone, I got a bug report (https://github.com/fangq/mmc/issues/113) related to pmmc. It turns
10/20/25
Tamara Tromp
, …
Qianqian Fang
4
10/15/25
Boundary effects for cyclic boundary conditions
Dear dr. Fang, Thanks a lot, this solves the issue indeed! Kind regards, Tamara On Tuesday, October
unread,
Boundary effects for cyclic boundary conditions
Dear dr. Fang, Thanks a lot, this solves the issue indeed! Kind regards, Tamara On Tuesday, October
10/15/25
Lorenzo Spinelli
, …
Fang, Qianqian
4
10/15/25
Trojan detected in mcx.exe file
Hi Qianqian, actually, after updating the virus and threat protection of windows security to last
unread,
Trojan detected in mcx.exe file
Hi Qianqian, actually, after updating the virus and threat protection of windows security to last
10/15/25
Darian Fuxfell
,
Qianqian Fang
2
10/14/25
Suppressing PMCX Output
you can set cfg['flog'] to a string denoting the log file path to save the output to the log
unread,
Suppressing PMCX Output
you can set cfg['flog'] to a string denoting the log file path to save the output to the log
10/14/25
Qianqian Fang
10/14/25
[MCX Newsletters] MCX Suite v2025.10 is here!
(You received this message because you are a registered user of MCX (https://mcx.space) - an open-
unread,
[MCX Newsletters] MCX Suite v2025.10 is here!
(You received this message because you are a registered user of MCX (https://mcx.space) - an open-
10/14/25
Emillie Jo
,
Qianqian Fang
3
10/12/25
MCX studio: video tutorial 2 not working
Hi Qianqian - thank you for replying so fast! It was indeed a browser issue, didn't work on
unread,
MCX studio: video tutorial 2 not working
Hi Qianqian - thank you for replying so fast! It was indeed a browser issue, didn't work on
10/12/25