Groups

mcx-users

1–30 of 846

0 selected

Fang, Qianqian, … asassa0112

Sep 5

Split-voxel MC (SVMC) paper and software support update

Hi Qianqian, I don't think is a problem of missing functions. Now I have tried all the possible

unread,

Split-voxel MC (SVMC) paper and software support update

Hi Qianqian, I don't think is a problem of missing functions. Now I have tried all the possible

Sep 5

zhang haohui, Qianqian Fang4

Sep 1

detector inside the medium

Hello, Prof. Fang Thank you for your explanation. Best regards Haohui On Mon, Sep 1, 2025 at 10:16 PM

unread,

detector inside the medium

Hello, Prof. Fang Thank you for your explanation. Best regards Haohui On Mon, Sep 1, 2025 at 10:16 PM

Sep 1

Hassan Sfouli, Qianqian Fang2

Aug 29

source lighting distribution

hi Hassan, user-defined photon launch angular distribution has been supported since mcx v2024.2 see

unread,

source lighting distribution

hi Hassan, user-defined photon launch angular distribution has been supported since mcx v2024.2 see

Aug 29

Keyao Zhang, … Qianqian Fang4

Aug 20

Units of MCX simulation

hi Keyao, the best way to definitively understand mcx's output unit is to look into the source

unread,

Units of MCX simulation

hi Keyao, the best way to definitively understand mcx's output unit is to look into the source

Aug 20

Jul 21

All python modules - pmcx, pmcxcl and pmmc - are available on Apple silicon

hi everyone, I've made a few updates in the weekend and now pmmc and pmcxcl Python modules can

unread,

All python modules - pmcx, pmcxcl and pmmc - are available on Apple silicon

hi everyone, I've made a few updates in the weekend and now pmmc and pmcxcl Python modules can

Jul 21

Jul 8

[MCX Announcement] 3 new packages available: pmmc, pyiso2mesh and Redbird

(You received this message because you are a registered user of MCX (https://mcx.space) - an open-

unread,

[MCX Announcement] 3 new packages available: pmmc, pyiso2mesh and Redbird

(You received this message because you are a registered user of MCX (https://mcx.space) - an open-

Jul 8

Sujit Patil, … Qianqian Fang8

Jun 3

MCX Diffuse Reflectance for Non-Flat Surfaces

congratulations Mayna! it is always exciting to see validations of our solvers with real world

unread,

MCX Diffuse Reflectance for Non-Flat Surfaces

congratulations Mayna! it is always exciting to see validations of our solvers with real world

Jun 3

Jun 1

Initial international language support for MCX

hi everyone, I uploaded a few commits in the past few days, adding the long-planned support for

unread,

Initial international language support for MCX

hi everyone, I uploaded a few commits in the past few days, adding the long-planned support for

Jun 1

Long Chen, Qianqian Fang8

May 20

Simulation problem

Dear Dr. Fang, Thank you for your reply. Yes, what I'm looking for should be the second case, I

unread,

Simulation problem

Dear Dr. Fang, Thank you for your reply. Yes, what I'm looking for should be the second case, I

May 20

May 18

Re: [mcx-users] Questions About MMC Pathlength, Fluorescence, and Jacobian Validity

hi Zobia, see my replies below On 5/16/25 18:01, Zobia Chaudhry wrote: You don't often get email

unread,

Re: [mcx-users] Questions About MMC Pathlength, Fluorescence, and Jacobian Validity

hi Zobia, see my replies below On 5/16/25 18:01, Zobia Chaudhry wrote: You don't often get email

May 18

h h liu, Qianqian Fang6

May 13

Energy Normalization and Analog Output Units

Thank you Dr. Fang for your patience, with your help my problem was solved, thank you again Dr. Fang!

unread,

Energy Normalization and Analog Output Units

Thank you Dr. Fang for your patience, with your help my problem was solved, thank you again Dr. Fang!

May 13

Ilya Kuznetsov, Qianqian Fang5

Apr 30

Slightly different results on differents MCX and environments

Thanks! Yes, I meant mcxcwdref.m. On Wednesday, April 30, 2025 at 5:48:35 PM UTC+3 q.fang wrote: if

unread,

Slightly different results on differents MCX and environments

Thanks! Yes, I meant mcxcwdref.m. On Wednesday, April 30, 2025 at 5:48:35 PM UTC+3 q.fang wrote: if

Apr 30

Wenxin Fang, … Qianqian Fang4

Apr 30

Absorbance coefficient mu_a's impact on the simulation result.

if they have the same mus, then their (scattering) mean-free-paths (1/mus) should the same. On 4/29/

unread,

Absorbance coefficient mu_a's impact on the simulation result.

if they have the same mus, then their (scattering) mean-free-paths (1/mus) should the same. On 4/29/

Apr 30

Viet Tran Ba, Qianqian Fang4

Apr 30

Option of getting the photon exit weight

hi Viet, MCX applies normalization by default (-U 1). This not only applies to fluence, but also dref

unread,

Option of getting the photon exit weight

hi Viet, MCX applies normalization by default (-U 1). This not only applies to fluence, but also dref

Apr 30

zhang haohui, Qianqian Fang7

Apr 18

Reflection energy

Hello, Prof. Fang, Thank you for the explanation — I now understand your method. You consider

unread,

Reflection energy

Hello, Prof. Fang, Thank you for the explanation — I now understand your method. You consider

Apr 18

Jack Radford, Qianqian Fang4

Apr 17

Linux stuck at 50% simulation

Hi Qianqian, Excellent, I have got it working with this patch. Thank you for fixing this bug so

unread,

Linux stuck at 50% simulation

Hi Qianqian, Excellent, I have got it working with this patch. Thank you for fixing this bug so

Apr 17

Brighten Pan, Qianqian Fang5

Apr 17

position of source

Hi Prof. Fang, Thank you for your suggestion. I will try this to check my model. Thanks again for

unread,

position of source

Hi Prof. Fang, Thank you for your suggestion. I will try this to check my model. Thanks again for

Apr 17

Vytautas Gradauskas, Qianqian Fang2

Apr 16

How to interpret MCX command window output

hi Vytautas, you were at our training workshop last year, if you open the training materials folder,

unread,

How to interpret MCX command window output

hi Vytautas, you were at our training workshop last year, if you open the training materials folder,

Apr 16

Lyn Pace, Qianqian Fang2

Apr 16

Launch timed out MCX cloud

hi Lynley, the "the launch timed out" error was a classic NVIDIA graphics driver watchdog

unread,

Launch timed out MCX cloud

hi Lynley, the "the launch timed out" error was a classic NVIDIA graphics driver watchdog

Apr 16

Long Chen, Qianqian Fang2

Apr 12

Is there a limit to the number of different tissues that can be stored in the cfg.vol array?

hi cl, if you use label based tissues, the maximum number is 4000 - #srcpos - #detpos, but you can

unread,

Is there a limit to the number of different tissues that can be stored in the cfg.vol array?

hi cl, if you use label based tissues, the maximum number is 4000 - #srcpos - #detpos, but you can

Apr 12

Mar 30

Invitation to submit a short survey for sharing imaging data at NeuroJSON.io

Dear colleagues and registered MCX users, I would like to invite you to participate a short survey to

unread,

Invitation to submit a short survey for sharing imaging data at NeuroJSON.io

Dear colleagues and registered MCX users, I would like to invite you to participate a short survey to

Mar 30

Liam Booth, Qianqian Fang5

Mar 16

Creating jacobian of same format as TOAST++

Ahh, i've moved ahead a few steps and i'm at the reconstruction part of my pipeline which i

unread,

Creating jacobian of same format as TOAST++

Ahh, i've moved ahead a few steps and i'm at the reconstruction part of my pipeline which i

Mar 16

Thomas Rialan, Qianqian Fang2

Mar 14

question about cfg.isnormalized

thanks, it is now fixed https://github.com/fangq/mcx/commit/aa7bbddeea30771adb22cf40cbcfc81881a5218c

unread,

question about cfg.isnormalized

thanks, it is now fixed https://github.com/fangq/mcx/commit/aa7bbddeea30771adb22cf40cbcfc81881a5218c

Mar 14

Rooaa Shanshal, Fang, Qianqian3

Mar 14

Multiple GPU Photon Sharing

Hi Dr. Fang, Sorry for the delay. I opened a new issue on GitHub a couple of days ago but I've

unread,

Multiple GPU Photon Sharing

Hi Dr. Fang, Sorry for the delay. I opened a new issue on GitHub a couple of days ago but I've

Mar 14

于赛薇, Qianqian Fang3

Mar 10

Inquiry Regarding MCXLAB Usage for Layered Media Simulation

Dear Professor Fang, First of all, thank you very much for your reply to my question. Reading your

unread,

Inquiry Regarding MCXLAB Usage for Layered Media Simulation

Dear Professor Fang, First of all, thank you very much for your reply to my question. Reading your

Mar 10

Shiru Wang, … Qianqian Fang7

Mar 10

Reflectance Calculation in PMCX

no worries, I hope my response to your question earlier was helpful - feel free to follow up if you

unread,

Reflectance Calculation in PMCX

no worries, I hope my response to your question earlier was helpful - feel free to follow up if you

Mar 10

Mar 9

Re: [mcx-users] mcxlab

reading your question below, I am under the impression that you must have assumed that the output,

unread,

Re: [mcx-users] mcxlab

reading your question below, I am under the impression that you must have assumed that the output,

Mar 9

zhiguan wang, … Vytautas Gradauskas4

Mar 6

the positive value in Jacobian

Hi all, This reminded me of a video that Prof Fang has on mcx.space about absorption and scattering

unread,

the positive value in Jacobian

Hi all, This reminded me of a video that Prof Fang has on mcx.space about absorption and scattering

Mar 6

Mar 5

Using Photon Sharing with Multiple GPUs

Dear Dr. Fang, I'm currently working on generating SFDI reflectance images using the photon-

unread,

Using Photon Sharing with Multiple GPUs

Dear Dr. Fang, I'm currently working on generating SFDI reflectance images using the photon-

Mar 5

Naim Slim, Qianqian Fang3

Feb 27

Multiple sources with mcxlabcl

Thanks for the prompt response! BW Naim On Wednesday, February 26, 2025 at 3:26:50 PM UTC Qianqian

unread,

Multiple sources with mcxlabcl

Thanks for the prompt response! BW Naim On Wednesday, February 26, 2025 at 3:26:50 PM UTC Qianqian

Feb 27

Search

Clear search

Close search

Google apps

Main menu