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Welcome to the discussion group for pylinac, the Python package aimed at helping you do TG-142 tasks automatically!

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WP Struweg, Anne Monseux9

Sep 29

FieldProfileAnalysis fails on 20×20 FFF fields unless image is inverted

Hi Anne, Sorry to hear it's not working. If you want you can send me the DCM files for the 10x10

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FieldProfileAnalysis fails on 20×20 FFF fields unless image is inverted

Hi Anne, Sorry to hear it's not working. If you want you can send me the DCM files for the 10x10

Sep 29

Devin Baillie, … James Han7

Sep 18

Median vs. mean roi values

Some results of code change Mean vs Median HU on gammex phantom: Rod Type Substitute Median HU Mean

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Median vs. mean roi values

Some results of code change Mean vs Median HU on gammex phantom: Rod Type Substitute Median HU Mean

Sep 18

jonathan...@gmail.com, … alanm...@gmail.com3

Sep 12

TomographicResolution Attribute Error

Hi Jonathan NMImageStack only takes multiframe images which not all manufacturers support. There is a

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TomographicResolution Attribute Error

Hi Jonathan NMImageStack only takes multiframe images which not all manufacturers support. There is a

Sep 12

Aug 7

ERROR in loading multiple leaf sequence dicom file in dlg

I'm getting error, while loading multiple dicom files in analysing DLG. File "C:\Users\Admin

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ERROR in loading multiple leaf sequence dicom file in dlg

I'm getting error, while loading multiple dicom files in analysing DLG. File "C:\Users\Admin

Aug 7

liji...@gmail.com

Aug 4

SNC Profiler2 data

Hi, I tried to load a .PRM file from an SNC Profiler 2 using DeviceFieldAnalysis. But I am getting

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SNC Profiler2 data

Hi, I tried to load a .PRM file from an SNC Profiler 2 using DeviceFieldAnalysis. But I am getting

Aug 4

Sougou Marane, tbe...@gmail.com3

Jul 31

Hoe to save the result from Filed Profile Analysis in pdf

hi, can I do analysis the Dosimetric Leaf Gap( DLG) using pylinac?? On Thursday, July 24, 2025 at 4:

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Hoe to save the result from Filed Profile Analysis in pdf

hi, can I do analysis the Dosimetric Leaf Gap( DLG) using pylinac?? On Thursday, July 24, 2025 at 4:

Jul 31

Jul 19

Error while publish pdf in FieldProfileAnalysis

syntax: field_analyzer.publish_pdf('p.pdf') Error field_analyzer.publish_pdf('p.pdf')

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Error while publish pdf in FieldProfileAnalysis

syntax: field_analyzer.publish_pdf('p.pdf') Error field_analyzer.publish_pdf('p.pdf')

Jul 19

Stephen Amadon, Dan Kirby3

Jul 11

I should add, if there's a way to get the PyLinac tests working with an Agility MLC then that

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I should add, if there's a way to get the PyLinac tests working with an Agility MLC then that

Jul 11

Jul 11

Elekta 6FFF iView panel saturation issue with Winston Lutz

Hi all, We've been happily using the WL analysis for a few years but recently have been finding

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Elekta 6FFF iView panel saturation issue with Winston Lutz

Hi all, We've been happily using the WL analysis for a few years but recently have been finding

Jul 11

Stephen Amadon, … alanm...@gmail.com3

Jun 5

Hi Stephen This has already been listed as an issue. (#499). I see James made a commit so it will

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Hi Stephen This has already been listed as an issue. (#499). I see James made a commit so it will

Jun 5

Erik Kryck, tbe...@gmail.com3

Jun 3

VMAT DynDelivery

Thanks, I'm aware of the customize roi config and I'm able to come up with a workable

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VMAT DynDelivery

Thanks, I'm aware of the customize roi config and I'm able to come up with a workable

Jun 3

Stephen Amadon, tbe...@gmail.com2

Jun 3

Ti Plug in Cheese phantom

Hi Stephen, the analyze function has an option that lets you scale the roi size: https://pylinac.

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Ti Plug in Cheese phantom

Hi Stephen, the analyze function has an option that lets you scale the roi size: https://pylinac.

Jun 3

James Han, tbe...@gmail.com2

Mar 27

SNC kV-QA Planar Imaging Results - make sense?

Hi, when comparing your image to the one in the documentation, it seems your phantom is not oriented

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SNC kV-QA Planar Imaging Results - make sense?

Hi, when comparing your image to the one in the documentation, it seems your phantom is not oriented

Mar 27

Charles A.-Richard, tbe...@gmail.com2

Mar 17

TrueBeam MPC results reader

Hi Charles, as far as I know, pylinac focuses on analyzing, not reading results. Pylinac is able to

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TrueBeam MPC results reader

Hi Charles, as far as I know, pylinac focuses on analyzing, not reading results. Pylinac is able to

Mar 17

Mar 12

No slices were found that resembled the HU linearity module

Dear James We analyse the CatPhan503, "ValueError: No slices were found that resembled the HU

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No slices were found that resembled the HU linearity module

Dear James We analyse the CatPhan503, "ValueError: No slices were found that resembled the HU

Mar 12

Abdulkader Sadiyyah

Mar 10

Hounsfield Unit (HU) versus electron density table & curves

Dear All, I hope this email finds you well. We are a research team at Damascus University/BUH, and

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Hounsfield Unit (HU) versus electron density table & curves

Dear All, I hope this email finds you well. We are a research team at Damascus University/BUH, and

Mar 10

Bannan Ahmed, … oussama elmouden4

Mar 6

: Issue with CIRS062 Phantom Analysis in Pylinac – "expected non-empty vector for x"

Hi Thomas, Thank you for your response and for your valuable suggestion. I have verified that the

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: Issue with CIRS062 Phantom Analysis in Pylinac – "expected non-empty vector for x"

Hi Thomas, Thank you for your response and for your valuable suggestion. I have verified that the

Mar 6

Alistair Templeton, tbe...@gmail.com3

Feb 24

Winston-Lutz report individual collimator positions

Much smarter to rtfm rather than dig through the code. That makes sense, thanks so much! On Tuesday,

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Winston-Lutz report individual collimator positions

Much smarter to rtfm rather than dig through the code. That makes sense, thanks so much! On Tuesday,

Feb 24

Alistair Templeton, tbe...@gmail.com3

Feb 19

Picket fence-- can't detect central picket

Thanks! It looks to change the detected picket location by about 0.1-0.2 mm. Not zero, but much

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Picket fence-- can't detect central picket

Thanks! It looks to change the detected picket location by about 0.1-0.2 mm. Not zero, but much

Feb 19

James Han, tbe...@gmail.com3

Feb 18

HU Values in cheese phantom analysis

Thanks. So because it's looking at median - it is grabbing only existing HU so it isn't

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HU Values in cheese phantom analysis

Thanks. So because it's looking at median - it is grabbing only existing HU so it isn't

Feb 18

Philippe Dionne, tbe...@gmail.com3

Feb 18

Error while running ACRLargeMR analysis

Thank you for your answer, I did check the troubleshooting first. The phantom I'm using has the

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Error while running ACRLargeMR analysis

Thank you for your answer, I did check the troubleshooting first. The phantom I'm using has the

Feb 18

James Han, tbe...@gmail.com2

Jan 14

Gammex Model 467 and HU linearity module ValueError

Hi, yes, put the phantom on some light density material and use the code James provided in his gist:

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Gammex Model 467 and HU linearity module ValueError

Hi, yes, put the phantom on some light density material and use the code James provided in his gist:

Jan 14

7/20/24

Unable to analyze radiochromic film scan in Pylinac

0 I am trying to analyze a radiochromic film scan using Pylinac but I am getting a bunch of errors. I

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Unable to analyze radiochromic film scan in Pylinac

0 I am trying to analyze a radiochromic film scan using Pylinac but I am getting a bunch of errors. I

7/20/24

Stephen Amadon, … Safir5

7/3/24

Thanks, I had this previously tried this: plt.imshow(gamma) The result did not make sense to me: <

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Thanks, I had this previously tried this: plt.imshow(gamma) The result did not make sense to me: <

7/3/24

françois xavier Arnaud, … James Kerns4

6/24/24

2D metrics tools => ROI

ok thanks for the answers. i misunderstood, I thought that I could use pylinac.metrics.image

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2D metrics tools => ROI

ok thanks for the answers. i misunderstood, I thought that I could use pylinac.metrics.image

6/24/24

Stephen Amadon, James Kerns3

6/20/24

That was a typo "is not"... Should have been is NOW. To reiterate: After reinstalling

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That was a typo "is not"... Should have been is NOW. To reiterate: After reinstalling

6/20/24

alanm...@gmail.com, James Kerns2

6/5/24

GUI frontend for Pylinac and Pydicom

Awesome work! On Wednesday, June 5, 2024 at 2:17:07 AM UTC-5 alanm...@gmail.com wrote: It seems there

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GUI frontend for Pylinac and Pydicom

Awesome work! On Wednesday, June 5, 2024 at 2:17:07 AM UTC-5 alanm...@gmail.com wrote: It seems there

6/5/24

Hareram Erra, Luis Olivares2

5/30/24

Installing Pylinac

Hi Hareram Erra, There is an installation section in the main documentation? Once you have Anaconda (

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Installing Pylinac

Hi Hareram Erra, There is an installation section in the main documentation? Once you have Anaconda (

5/30/24

françois xavier Arnaud, James Kerns3

5/23/24

PicketFence.result_data 'mlc_positions_by_leaf'

Tanks James We have to do for each picket and each leaf dist = cax.x - mlc_positions_by_leaf[13][0]

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PicketFence.result_data 'mlc_positions_by_leaf'

Tanks James We have to do for each picket and each leaf dist = cax.x - mlc_positions_by_leaf[13][0]

5/23/24

5/2/24

Analysing subtracted planar images using StandardImagingQ3

Hi Everyone, I am using StandardImagingQ3 to analyse some EPID images of the phantom. To determine

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Analysing subtracted planar images using StandardImagingQ3

Hi Everyone, I am using StandardImagingQ3 to analyse some EPID images of the phantom. To determine

5/2/24

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