Groups
Sign in
Groups
mcx-users
Conversations
About
Send feedback
Help
mcx-users
Contact owners and managers
1–30 of 819
Mark all as read
Report group
0 selected
Yu Shimojo
, …
Qianqian Fang
3
10:38 AM
Fresnel's law at media boundaries with mismatched refractive indices
hi Yu, mcx uses Fresnel's law to handle n-mismatched boundaries by default, you do not need to
unread,
Fresnel's law at media boundaries with mismatched refractive indices
hi Yu, mcx uses Fresnel's law to handle n-mismatched boundaries by default, you do not need to
10:38 AM
Shiru Wang
,
Qianqian Fang
4
10:30 AM
Reflectance Calculation in PMCX
hi Shiru, the diffuse reflectance output is accumulated by tracking photon packets that escape from
unread,
Reflectance Calculation in PMCX
hi Shiru, the diffuse reflectance output is accumulated by tracking photon packets that escape from
10:30 AM
Netaniel Rein
, …
Qianqian Fang
4
10:12 AM
unsuccessful simulation of hemodynamic changes in slab head model
hi Netaniel, I am a big confused - if you just want to get the total absorbed weight, why need to run
unread,
unsuccessful simulation of hemodynamic changes in slab head model
hi Netaniel, I am a big confused - if you just want to get the total absorbed weight, why need to run
10:12 AM
J.H.Park
,
Qianqian Fang
2
Feb 13
how to edit digimouse mat.file
hi Jong-Hyun, sorry for the delay. my understanding is that you want to use a sub-section of the
unread,
how to edit digimouse mat.file
hi Jong-Hyun, sorry for the delay. my understanding is that you want to use a sub-section of the
Feb 13
Wenxin Fang
Feb 1
Unrecognized function or variable 'mcxdetphoton'
Hi, I am a beginner to MCXLab CL, and when I was trying the demos, I kept getting the error "
unread,
Unrecognized function or variable 'mcxdetphoton'
Hi, I am a beginner to MCXLab CL, and when I was trying the demos, I kept getting the error "
Feb 1
Wenxin Fang
Feb 1
Problem solved
Hi, I checked this Group and found the solution. Thank you! Wenxin
unread,
Problem solved
Hi, I checked this Group and found the solution. Thank you! Wenxin
Feb 1
강민지
,
Qianqian Fang
2
Jan 22
having "invalid mex file" trouble
hi Minjee, I believe the missing dll is vcomp120.dll, it is part of the Microsoft Visual C++
unread,
having "invalid mex file" trouble
hi Minjee, I believe the missing dll is vcomp120.dll, it is part of the Microsoft Visual C++
Jan 22
Vytautas Gradauskas
,
Qianqian Fang
2
Jan 21
Padding to create semi-infinite slab
hi Vytautas, I see your example contains cfg.bc='ccacca', I assume it was derived from either
unread,
Padding to create semi-infinite slab
hi Vytautas, I see your example contains cfg.bc='ccacca', I assume it was derived from either
Jan 21
Gang Li
, …
Qianqian Fang
4
Jan 14
Colin27 Example
data = loadnifti('brain.nii'); cwfluence=sum(data.NIFTIData, 4); mcxplotvol(log10(abs(
unread,
Colin27 Example
data = loadnifti('brain.nii'); cwfluence=sum(data.NIFTIData, 4); mcxplotvol(log10(abs(
Jan 14
Lorenzo Spinelli
Jan 8
Issue using detectors with negative radius
Dear Dr. Fang, trying to using the new feature of negative radius detector to construct a ring
unread,
Issue using detectors with negative radius
Dear Dr. Fang, trying to using the new feature of negative radius detector to construct a ring
Jan 8
Samuel Yap
,
Fang, Qianqian
2
Jan 6
Angle-dependent Energy loss when Scattering (for Compton Scattering)
Hi Sam, You can add your energy update here https://github.com/fangq/mcx/blob/
unread,
Angle-dependent Energy loss when Scattering (for Compton Scattering)
Hi Sam, You can add your energy update here https://github.com/fangq/mcx/blob/
Jan 6
Jiayu Chen
, …
Fang, Qianqian
5
Jan 3
How to get pathlength and trajectories of each photon?
Hi Jiayu, Happy New Year! Yes, you can set outputtype to fluence or flux (which is an inaccurate name
unread,
How to get pathlength and trajectories of each photon?
Hi Jiayu, Happy New Year! Yes, you can set outputtype to fluence or flux (which is an inaccurate name
Jan 3
Qianqian Fang
,
Jiayu Chen
2
12/22/24
Re: [mcx-users] Questions when setting cfg.outputtype='length'
Sorry for bringing up a bad question. After sending the question, I realized what the problem was and
unread,
Re: [mcx-users] Questions when setting cfg.outputtype='length'
Sorry for bringing up a bad question. After sending the question, I realized what the problem was and
12/22/24
Matthew S
,
Fang, Qianqian
3
12/17/24
Zeros in photon sharing patterns
Hi Dr. Fang, Yes, generally I was trying to determine how similar the results between photon-sharing
unread,
Zeros in photon sharing patterns
Hi Dr. Fang, Yes, generally I was trying to determine how similar the results between photon-sharing
12/17/24
Robin van Zutphen
, …
Matthew S
12
12/17/24
Potential speed increase
Hi again Dr. Fang, My apologies for not replying sooner, but I wanted to thank you for the fix. I
unread,
Potential speed increase
Hi again Dr. Fang, My apologies for not replying sooner, but I wanted to thank you for the fix. I
12/17/24
ermiascachi kassahun
, …
Qianqian Fang
4
12/15/24
Re: [mcx-users] request for help
hi Erimias when I run the script you provided using the latest version of mcxlab, mcxpreview plots
unread,
Re: [mcx-users] request for help
hi Erimias when I run the script you provided using the latest version of mcxlab, mcxpreview plots
12/15/24
Robin van Zutphen
,
Fang, Qianqian
3
12/8/24
Minor question invcdf definition
Sorry, the first source code link should have been https://github.com/fangq/mcx/blob/v2024.2/src/
unread,
Minor question invcdf definition
Sorry, the first source code link should have been https://github.com/fangq/mcx/blob/v2024.2/src/
12/8/24
Jessica Lund
, …
Ernesto Pini
8
12/4/24
Converting between 'energy' and 'flux' outputs
Thank you! On Tuesday, November 19, 2024 at 12:28:17 PM UTC-5 Fang, Qianqian wrote: Jessica, I also
unread,
Converting between 'energy' and 'flux' outputs
Thank you! On Tuesday, November 19, 2024 at 12:28:17 PM UTC-5 Fang, Qianqian wrote: Jessica, I also
12/4/24
Thomas Rialan
, …
Fang, Qianqian
4
12/2/24
two questions on replaydet in mcxlab
Hi Thomas, I back traced this behavior to this commit https://github.com/fangq/mcx/issues/217 After
unread,
two questions on replaydet in mcxlab
Hi Thomas, I back traced this behavior to this commit https://github.com/fangq/mcx/issues/217 After
12/2/24
ww w
,
Fang, Qianqian
2
12/1/24
calculation of pathlengths
Is there any problem with this result? what kind of DPF values were you expecting? One quick note
unread,
calculation of pathlengths
Is there any problem with this result? what kind of DPF values were you expecting? One quick note
12/1/24
ermiascachi kassahun
,
Fang, Qianqian
2
11/21/24
request for help
hi Erimias, This error is because of missing dlls. To see what dll is missing, you need to download,
unread,
request for help
hi Erimias, This error is because of missing dlls. To see what dll is missing, you need to download,
11/21/24
Jiayu Chen
,
Fang, Qianqian
3
11/20/24
Cylinder set issue in nightly build MCX
Hi Dr.Fang Thanks for your kind reply! Your advice always helps us improving our simulation! Looking
unread,
Cylinder set issue in nightly build MCX
Hi Dr.Fang Thanks for your kind reply! Your advice always helps us improving our simulation! Looking
11/20/24
Thomas Rialan
,
Fang, Qianqian
4
11/19/24
segmentation violation error at low timestep, but GPU memory not at full utilisation
Hi Thomas, please try this alternative link https://colab.research.google.com/drive/
unread,
segmentation violation error at low timestep, but GPU memory not at full utilisation
Hi Thomas, please try this alternative link https://colab.research.google.com/drive/
11/19/24
ermiascachi kassahun
,
Fang, Qianqian
3
11/14/24
request for help
Thank You very much Dr.Fang for your sharing knowledge and good ideas. On Wed, Nov 13, 2024 at 2:31
unread,
request for help
Thank You very much Dr.Fang for your sharing knowledge and good ideas. On Wed, Nov 13, 2024 at 2:31
11/14/24
陈嘉宇
,
Fang, Qianqian
7
11/14/24
How to build a ring detector in MCX? And some basic questions.
Hi Dr. Fang Thanks for your working on our needs! I will try this new feature! Have a nice day! And
unread,
How to build a ring detector in MCX? And some basic questions.
Hi Dr. Fang Thanks for your working on our needs! I will try this new feature! Have a nice day! And
11/14/24
Carmel Auerbach
,
Fang, Qianqian
2
11/6/24
Help getting started with colin 27 simulations
Please post specific error messages related to the issue you encountered, including the version of
unread,
Help getting started with colin 27 simulations
Please post specific error messages related to the issue you encountered, including the version of
11/6/24
IRENE
, …
Fang, Qianqian
5
11/5/24
Replay failed
Hi Andrea, cmake for mmc-trinity binaries are now fixed, see https://github.com/fangq/mmc/issues/105
unread,
Replay failed
Hi Andrea, cmake for mmc-trinity binaries are now fixed, see https://github.com/fangq/mmc/issues/105
11/5/24
Alex Qiu
,
Fang, Qianqian
2
11/3/24
Is MCX Cloud supposed to be able to run the built-in simulations?
Hi Alex, Sorry for the long delay in getting back to you - this is a known issue. At some point in
unread,
Is MCX Cloud supposed to be able to run the built-in simulations?
Hi Alex, Sorry for the long delay in getting back to you - this is a known issue. At some point in
11/3/24
SKYU
,
Fang, Qianqian
2
11/3/24
What is the maximum number of tissues??
MCX supports continuously varying media that is defined voxel by voxel. Please see this demo script
unread,
What is the maximum number of tissues??
MCX supports continuously varying media that is defined voxel by voxel. Please see this demo script
11/3/24
Henry Liu
,
Fang, Qianqian
2
11/3/24
Simulation of Light Frequency
hi Henry, mcx currently does not directly run forward simulation of frequency-modulated light, it can
unread,
Simulation of Light Frequency
hi Henry, mcx currently does not directly run forward simulation of frequency-modulated light, it can
11/3/24