Can't load the standard-10-5-cap385.elp with read_custom_montage()

Eliteria · April 25, 2023, 3:49pm

MNE version: 1.3.0
operating system: macOS 12

** Please also provide relevant code snippets **
montage = mne.channels.read_custom_montage('/Users/a86156/Downloads/standard-10-5-cap385.elp')

The error message
montage = mne.channels.read_custom_montage(‘/Users/a86156/Downloads/standard-10-5-cap385.elp’)
Traceback (most recent call last):

Cell In[25], line 1
montage = mne.channels.read_custom_montage(‘/Users/a86156/Downloads/standard-10-5-cap385.elp’)

File ~/opt/anaconda3/envs/Python39/lib/python3.9/site-packages/mne/channels/montage.py:1569 in read_custom_montage
montage = _read_elp_besa(fname, head_size)

File ~/opt/anaconda3/envs/Python39/lib/python3.9/site-packages/mne/channels/_standard_montage_utils.py:313 in _read_elp_besa
data = np.loadtxt(fname, dtype=dtype)

File ~/opt/anaconda3/envs/Python39/lib/python3.9/site-packages/numpy/lib/npyio.py:1356 in loadtxt
arr = _read(fname, dtype=dtype, comment=comment, delimiter=delimiter,

File ~/opt/anaconda3/envs/Python39/lib/python3.9/site-packages/numpy/lib/npyio.py:999 in _read
arr = _load_from_filelike(
ValueError: the number of columns changed from 5 to 1 at row 1; use usecols to select a subset and avoid this error
I wanna set the montage config file called ‘standard-10-5-cap385.elp’ to locate the channels since the built-in MNE-Python montages didn’t include this mode. But it seems something wrong appeared about the loadtxt method, which keeps reminding me to use the usecols to pick the column.

Actually, I’m not sure what the correct format of the .elp file should be.

Click the link to get the .elp file got the problem: publicFiles/standard-10-5-cap385.elp at main · watchdog205/publicFiles · GitHub
download it: https://codeload.github.com/watchdog205/publicFiles/zip/refs/heads/main

dasdiptyajit · April 25, 2023, 5:07pm

Hi @Eliteria.

Can you remove/modify the first row from your .elp file and then try to read the montage again?
It should be like this:
https://github.com/dasdiptyajit/meeg_diprocessing/blob/main/standard-10-5-cap385.elp

Test results:

In [51]: fname='/home/dip_meg/Music/standard-10-5-cap385.elp' (modified version)

In [52]: dig_montage = mne.channels.read_custom_montage(fname, head_size=None, coord_frame='mri')

In [53]: dig_montage.dig
Out[53]: 
[<DigPoint |        LPA : (-735.9, 0.0, -425.4) mm  : MRI (surface RAS) frame>,
<DigPoint |     Nasion : (0.0, 776.3, -346.1) mm   : MRI (surface RAS) frame>,
<DigPoint |        RPA : (735.9, 0.0, -425.4) mm   : MRI (surface RAS) frame>,
<DigPoint |     EEG #1 : (-261.3, 807.8, -40.0) mm : MRI (surface RAS) frame>,
<DigPoint |     EEG #2 : (0.0, 849.8, -17.9) mm    : MRI (surface RAS) frame>,
<DigPoint |     EEG #3 : (261.3, 807.8, -40.0) mm  : MRI (surface RAS) frame>,
<DigPoint |     EEG #4 : (-435.6, 615.1, -393.0) mm : MRI (surface RAS) frame>,
<DigPoint |     EEG #5 : (-497.1, 686.9, -59.6) mm : MRI (surface RAS) frame>,
<DigPoint |     EEG #6 : (-429.5, 728.0, 89.3) mm  : MRI (surface RAS) frame>,
<DigPoint |     EEG #7 : (-314.8, 761.5, 208.5) mm : MRI (surface RAS) frame>,
<DigPoint |     EEG #8 : (-166.8, 782.9, 285.9) mm : MRI (surface RAS) frame>,
<DigPoint |     EEG #9 : (0.0, 790.3, 313.0) mm    : MRI (surface RAS) frame>,
<DigPoint |    EEG #10 : (165.8, 783.2, 285.7) mm  : MRI (surface RAS) frame>,
<DigPoint |    EEG #11 : (314.8, 761.5, 208.5) mm  : MRI (surface RAS) frame>,
<DigPoint |    EEG #12 : (429.5, 728.0, 89.3) mm   : MRI (surface RAS) frame>,
<DigPoint |    EEG #13 : (496.7, 687.2, -59.5) mm  : MRI (surface RAS) frame>,
<DigPoint |    EEG #14 : (435.2, 615.5, -392.7) mm : MRI (surface RAS) frame>,
<DigPoint |    EEG #15 : (-597.1, 444.8, -410.0) mm : MRI (surface RAS) frame>,
<DigPoint |    EEG #16 : (-684.2, 498.7, -74.9) mm : MRI (surface RAS) frame>,
<DigPoint |    EEG #17 : (-630.6, 540.4, 181.3) mm : MRI (surface RAS) frame>,
<DigPoint |    EEG #18 : (-482.0, 575.5, 398.7) mm : MRI (surface RAS) frame>,
<DigPoint |    EEG #19 : (-260.4, 599.1, 543.8) mm : MRI (surface RAS) frame>,
<DigPoint |    EEG #20 : (0.0, 607.4, 594.6) mm    : MRI (surface RAS) frame>,
<DigPoint |    EEG #21 : (260.3, 598.7, 544.3) mm  : MRI (surface RAS) frame>,
<DigPoint |    EEG #22 : (481.4, 575.8, 398.9) mm  : MRI (surface RAS) frame>,
<DigPoint |    EEG #23 : (630.4, 540.3, 182.1) mm  : MRI (surface RAS) frame>,
<DigPoint |    EEG #24 : (683.8, 499.3, -74.9) mm  : MRI (surface RAS) frame>,
<DigPoint |    EEG #25 : (597.1, 444.8, -410.0) mm : MRI (surface RAS) frame>,
<DigPoint |    EEG #26 : (-700.8, 233.0, -420.9) mm : MRI (surface RAS) frame>,
<DigPoint |    EEG #27 : (-804.1, 262.1, -85.1) mm : MRI (surface RAS) frame>,
<DigPoint |    EEG #28 : (-762.5, 287.6, 241.7) mm : MRI (surface RAS) frame>,
<DigPoint |    EEG #29 : (-592.7, 309.6, 524.7) mm : MRI (surface RAS) frame>,
<DigPoint |    EEG #30 : (-323.5, 324.4, 716.0) mm : MRI (surface RAS) frame>,
<DigPoint |    EEG #31 : (0.0, 329.3, 783.6) mm    : MRI (surface RAS) frame>,
<DigPoint |    EEG #32 : (323.5, 324.4, 716.0) mm  : MRI (surface RAS) frame>,
<DigPoint |    EEG #33 : (592.7, 309.6, 524.7) mm  : MRI (surface RAS) frame>,
<DigPoint |    EEG #34 : (762.5, 287.6, 241.7) mm  : MRI (surface RAS) frame>,
<DigPoint |    EEG #35 : (804.1, 262.1, -85.1) mm  : MRI (surface RAS) frame>,
<DigPoint |    EEG #36 : (700.8, 233.0, -420.9) mm : MRI (surface RAS) frame>,
<DigPoint |    EEG #37 : (-735.9, 0.0, -425.4) mm  : MRI (surface RAS) frame>,
<DigPoint |    EEG #38 : (-845.4, 0.0, -88.5) mm   : MRI (surface RAS) frame>,
<DigPoint |    EEG #39 : (-808.3, 0.0, 262.9) mm   : MRI (surface RAS) frame>,
<DigPoint |    EEG #40 : (-631.7, 0.0, 568.7) mm   : MRI (surface RAS) frame>,
<DigPoint |    EEG #41 : (-345.4, 0.0, 776.7) mm   : MRI (surface RAS) frame>,
<DigPoint |    EEG #42 : (0.0, 0.0, 850.0) mm      : MRI (surface RAS) frame>,
<DigPoint |    EEG #43 : (346.1, 0.0, 776.4) mm    : MRI (surface RAS) frame>,
<DigPoint |    EEG #44 : (631.7, 0.0, 568.8) mm    : MRI (surface RAS) frame>,
<DigPoint |    EEG #45 : (808.3, 0.0, 262.9) mm    : MRI (surface RAS) frame>,
<DigPoint |    EEG #46 : (845.4, 0.0, -88.5) mm    : MRI (surface RAS) frame>,
<DigPoint |    EEG #47 : (735.9, 0.0, -425.4) mm   : MRI (surface RAS) frame>,
<DigPoint |    EEG #48 : (-700.8, -233.0, -420.9) mm : MRI (surface RAS) frame>,
<DigPoint |    EEG #49 : (-804.1, -262.1, -85.1) mm : MRI (surface RAS) frame>,
<DigPoint |    EEG #50 : (-762.5, -287.6, 241.7) mm : MRI (surface RAS) frame>,
<DigPoint |    EEG #51 : (-592.7, -309.6, 524.7) mm : MRI (surface RAS) frame>,
<DigPoint |    EEG #52 : (-323.5, -324.4, 716.0) mm : MRI (surface RAS) frame>,
<DigPoint |    EEG #53 : (0.0, -329.3, 783.6) mm   : MRI (surface RAS) frame>,
<DigPoint |    EEG #54 : (323.5, -324.4, 716.0) mm : MRI (surface RAS) frame>,
<DigPoint |    EEG #55 : (592.7, -309.6, 524.7) mm : MRI (surface RAS) frame>,
<DigPoint |    EEG #56 : (762.5, -287.6, 241.7) mm : MRI (surface RAS) frame>,
<DigPoint |    EEG #57 : (803.9, -262.8, -85.1) mm : MRI (surface RAS) frame>,
<DigPoint |    EEG #58 : (700.8, -233.0, -420.9) mm : MRI (surface RAS) frame>,
<DigPoint |    EEG #59 : (-597.1, -444.8, -410.0) mm : MRI (surface RAS) frame>,
<DigPoint |    EEG #60 : (-684.2, -498.7, -74.9) mm : MRI (surface RAS) frame>,
<DigPoint |    EEG #61 : (-630.6, -540.4, 181.3) mm : MRI (surface RAS) frame>,
<DigPoint |    EEG #62 : (-482.0, -575.5, 398.7) mm : MRI (surface RAS) frame>,
<DigPoint |    EEG #63 : (-260.4, -599.1, 543.8) mm : MRI (surface RAS) frame>,
<DigPoint |    EEG #64 : (0.0, -607.4, 594.6) mm   : MRI (surface RAS) frame>,
<DigPoint |    EEG #65 : (260.3, -598.7, 544.3) mm : MRI (surface RAS) frame>,
<DigPoint |    EEG #66 : (481.4, -575.8, 398.9) mm : MRI (surface RAS) frame>,
<DigPoint |    EEG #67 : (630.4, -540.3, 182.1) mm : MRI (surface RAS) frame>,
<DigPoint |    EEG #68 : (683.8, -499.3, -74.9) mm : MRI (surface RAS) frame>,
<DigPoint |    EEG #69 : (597.1, -444.8, -410.0) mm : MRI (surface RAS) frame>,
<DigPoint |    EEG #70 : (-435.6, -615.1, -393.0) mm : MRI (surface RAS) frame>,
<DigPoint |    EEG #71 : (-497.1, -686.9, -59.6) mm : MRI (surface RAS) frame>,
<DigPoint |    EEG #72 : (-429.5, -728.0, 89.3) mm : MRI (surface RAS) frame>,
<DigPoint |    EEG #73 : (-314.8, -761.5, 208.5) mm : MRI (surface RAS) frame>,
<DigPoint |    EEG #74 : (-166.8, -782.9, 285.9) mm : MRI (surface RAS) frame>,
<DigPoint |    EEG #75 : (0.0, -790.3, 313.0) mm   : MRI (surface RAS) frame>,
<DigPoint |    EEG #76 : (165.8, -783.2, 285.7) mm : MRI (surface RAS) frame>,
<DigPoint |    EEG #77 : (314.8, -761.5, 208.5) mm : MRI (surface RAS) frame>,
<DigPoint |    EEG #78 : (429.5, -728.0, 89.3) mm  : MRI (surface RAS) frame>,
<DigPoint |    EEG #79 : (496.7, -687.2, -59.5) mm : MRI (surface RAS) frame>,
<DigPoint |    EEG #80 : (435.2, -615.5, -392.7) mm : MRI (surface RAS) frame>,
<DigPoint |    EEG #81 : (-261.3, -807.8, -40.0) mm : MRI (surface RAS) frame>,
<DigPoint |    EEG #82 : (0.0, -849.8, -17.9) mm   : MRI (surface RAS) frame>,
<DigPoint |    EEG #83 : (261.3, -807.8, -40.0) mm : MRI (surface RAS) frame>,
<DigPoint |    EEG #84 : (-229.6, -729.6, -370.7) mm : MRI (surface RAS) frame>,
<DigPoint |    EEG #85 : (-229.6, -729.6, -370.7) mm : MRI (surface RAS) frame>,
<DigPoint |    EEG #86 : (0.0, -776.3, -346.1) mm  : MRI (surface RAS) frame>,
<DigPoint |    EEG #87 : (229.6, -729.6, -370.7) mm : MRI (surface RAS) frame>,
<DigPoint |    EEG #88 : (229.6, -729.6, -370.7) mm : MRI (surface RAS) frame>,
<DigPoint |    EEG #89 : (-368.2, 733.8, -220.3) mm : MRI (surface RAS) frame>,
<DigPoint |    EEG #90 : (-350.6, 774.3, -5.9) mm  : MRI (surface RAS) frame>,
<DigPoint |    EEG #91 : (-268.0, 803.9, 67.2) mm  : MRI (surface RAS) frame>,
<DigPoint |    EEG #92 : (-168.5, 824.5, 120.0) mm : MRI (surface RAS) frame>,
<DigPoint |    EEG #93 : (-57.0, 835.2, 147.1) mm  : MRI (surface RAS) frame>,
<DigPoint |    EEG #94 : (57.8, 835.2, 147.1) mm   : MRI (surface RAS) frame>,
<DigPoint |    EEG #95 : (168.5, 824.5, 120.0) mm  : MRI (surface RAS) frame>,
<DigPoint |    EEG #96 : (268.0, 803.9, 67.2) mm   : MRI (surface RAS) frame>,
<DigPoint |    EEG #97 : (351.3, 774.0, -5.9) mm   : MRI (surface RAS) frame>,
<DigPoint |    EEG #98 : (368.5, 733.6, -220.4) mm : MRI (surface RAS) frame>,
<DigPoint |    EEG #99 : (-572.3, 580.9, -239.8) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #100 : (-577.5, 622.5, 38.3) mm  : MRI (surface RAS) frame>,
<DigPoint |   EEG #101 : (-478.3, 663.8, 230.6) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #102 : (-315.5, 694.0, 375.9) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #103 : (-110.5, 710.6, 453.1) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #104 : (109.7, 710.7, 453.1) mm  : MRI (surface RAS) frame>,
<DigPoint |   EEG #105 : (315.7, 694.3, 375.2) mm  : MRI (surface RAS) frame>,
<DigPoint |   EEG #106 : (478.8, 663.4, 230.5) mm  : MRI (surface RAS) frame>,
<DigPoint |   EEG #107 : (577.0, 623.0, 38.3) mm   : MRI (surface RAS) frame>,
<DigPoint |   EEG #108 : (572.7, 580.4, -240.0) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #109 : (-720.7, 371.9, -254.5) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #110 : (-745.1, 403.2, 69.7) mm  : MRI (surface RAS) frame>,
<DigPoint |   EEG #111 : (-638.8, 436.4, 352.2) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #112 : (-430.4, 461.9, 569.1) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #113 : (-151.3, 476.1, 687.7) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #114 : (151.3, 476.1, 687.7) mm  : MRI (surface RAS) frame>,
<DigPoint |   EEG #115 : (429.8, 462.1, 569.4) mm  : MRI (surface RAS) frame>,
<DigPoint |   EEG #116 : (639.1, 436.5, 351.4) mm  : MRI (surface RAS) frame>,
<DigPoint |   EEG #117 : (745.1, 403.2, 69.7) mm   : MRI (surface RAS) frame>,
<DigPoint |   EEG #118 : (721.0, 371.5, -254.2) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #119 : (-798.4, 128.4, -261.8) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #120 : (-834.0, 139.6, 86.8) mm  : MRI (surface RAS) frame>,
<DigPoint |   EEG #121 : (-724.9, 152.3, 416.9) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #122 : (-491.5, 161.6, 674.4) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #123 : (-173.6, 167.6, 815.0) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #124 : (174.2, 167.4, 814.9) mm  : MRI (surface RAS) frame>,
<DigPoint |   EEG #125 : (491.5, 161.6, 674.4) mm  : MRI (surface RAS) frame>,
<DigPoint |   EEG #126 : (725.1, 152.2, 416.6) mm  : MRI (surface RAS) frame>,
<DigPoint |   EEG #127 : (834.0, 139.4, 86.7) mm   : MRI (surface RAS) frame>,
<DigPoint |   EEG #128 : (798.4, 128.4, -261.8) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #129 : (-798.4, -128.4, -261.8) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #130 : (-834.0, -139.6, 86.8) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #131 : (-724.9, -152.3, 416.9) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #132 : (-491.5, -161.6, 674.4) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #133 : (-173.6, -167.6, 815.0) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #134 : (174.2, -167.4, 814.9) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #135 : (491.5, -161.6, 674.4) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #136 : (725.1, -152.2, 416.6) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #137 : (834.0, -139.4, 86.7) mm  : MRI (surface RAS) frame>,
<DigPoint |   EEG #138 : (798.4, -128.4, -261.8) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #139 : (-720.7, -371.9, -254.5) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #140 : (-745.1, -403.2, 69.7) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #141 : (-638.8, -436.4, 352.2) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #142 : (-430.4, -461.9, 569.1) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #143 : (-151.3, -476.1, 687.7) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #144 : (151.3, -476.1, 687.7) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #145 : (429.8, -462.1, 569.4) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #146 : (639.1, -436.5, 351.4) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #147 : (745.1, -403.2, 69.7) mm  : MRI (surface RAS) frame>,
<DigPoint |   EEG #148 : (721.0, -371.5, -254.2) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #149 : (-572.3, -580.9, -239.8) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #150 : (-577.5, -622.5, 38.3) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #151 : (-478.3, -663.8, 230.6) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #152 : (-315.5, -694.0, 375.9) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #153 : (-110.5, -710.6, 453.1) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #154 : (109.7, -710.7, 453.1) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #155 : (315.7, -694.3, 375.2) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #156 : (478.8, -663.4, 230.5) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #157 : (577.0, -623.0, 38.3) mm  : MRI (surface RAS) frame>,
<DigPoint |   EEG #158 : (572.7, -580.4, -240.0) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #159 : (-368.2, -733.8, -220.3) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #160 : (-350.6, -774.3, -5.9) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #161 : (-268.0, -803.9, 67.2) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #162 : (-168.5, -824.5, 120.0) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #163 : (-57.0, -835.2, 147.1) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #164 : (57.8, -835.2, 147.1) mm  : MRI (surface RAS) frame>,
<DigPoint |   EEG #165 : (168.5, -824.5, 120.0) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #166 : (268.0, -803.9, 67.2) mm  : MRI (surface RAS) frame>,
<DigPoint |   EEG #167 : (351.3, -774.0, -5.9) mm  : MRI (surface RAS) frame>,
<DigPoint |   EEG #168 : (368.5, -733.6, -220.4) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #169 : (-127.5, -816.9, -197.3) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #170 : (127.6, -816.8, -197.4) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #171 : (-131.9, 839.2, -28.9) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #172 : (132.8, 839.1, -28.9) mm  : MRI (surface RAS) frame>,
<DigPoint |   EEG #173 : (-476.3, 665.2, -230.6) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #174 : (-469.4, 708.4, 17.9) mm  : MRI (surface RAS) frame>,
<DigPoint |   EEG #175 : (-377.0, 746.3, 153.2) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #176 : (-244.0, 773.8, 253.4) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #177 : (-84.2, 788.5, 306.2) mm  : MRI (surface RAS) frame>,
<DigPoint |   EEG #178 : (84.2, 788.7, 305.5) mm   : MRI (surface RAS) frame>,
<DigPoint |   EEG #179 : (243.3, 774.0, 253.5) mm  : MRI (surface RAS) frame>,
<DigPoint |   EEG #180 : (377.0, 746.3, 153.2) mm  : MRI (surface RAS) frame>,
<DigPoint |   EEG #181 : (468.8, 708.8, 17.0) mm   : MRI (surface RAS) frame>,
<DigPoint |   EEG #182 : (476.3, 665.2, -230.6) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #183 : (-654.6, 482.0, -248.2) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #184 : (-670.3, 519.7, 56.1) mm  : MRI (surface RAS) frame>,
<DigPoint |   EEG #185 : (-567.2, 558.7, 297.6) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #186 : (-378.3, 589.1, 482.0) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #187 : (-132.7, 605.5, 581.6) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #188 : (132.7, 605.5, 581.6) mm  : MRI (surface RAS) frame>,
<DigPoint |   EEG #189 : (378.3, 589.1, 482.0) mm  : MRI (surface RAS) frame>,
<DigPoint |   EEG #190 : (567.2, 558.7, 297.6) mm  : MRI (surface RAS) frame>,
<DigPoint |   EEG #191 : (670.3, 519.7, 56.1) mm   : MRI (surface RAS) frame>,
<DigPoint |   EEG #192 : (654.8, 482.2, -247.5) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #193 : (-769.2, 252.7, -258.7) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #194 : (-800.4, 274.7, 79.9) mm  : MRI (surface RAS) frame>,
<DigPoint |   EEG #195 : (-692.2, 299.3, 392.0) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #196 : (-468.1, 318.3, 634.1) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #197 : (-165.7, 328.0, 766.5) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #198 : (164.9, 328.1, 766.6) mm  : MRI (surface RAS) frame>,
<DigPoint |   EEG #199 : (468.1, 318.3, 634.1) mm  : MRI (surface RAS) frame>,
<DigPoint |   EEG #200 : (692.2, 299.3, 392.0) mm  : MRI (surface RAS) frame>,
<DigPoint |   EEG #201 : (800.1, 275.5, 80.8) mm   : MRI (surface RAS) frame>,
<DigPoint |   EEG #202 : (769.2, 252.7, -258.7) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #203 : (-808.3, 0.0, -262.9) mm  : MRI (surface RAS) frame>,
<DigPoint |   EEG #204 : (-845.3, 0.0, 89.3) mm    : MRI (surface RAS) frame>,
<DigPoint |   EEG #205 : (-735.9, 0.0, 425.4) mm   : MRI (surface RAS) frame>,
<DigPoint |   EEG #206 : (-499.6, 0.0, 687.7) mm   : MRI (surface RAS) frame>,
<DigPoint |   EEG #207 : (-176.8, 0.0, 831.4) mm   : MRI (surface RAS) frame>,
<DigPoint |   EEG #208 : (176.8, 0.0, 831.4) mm    : MRI (surface RAS) frame>,
<DigPoint |   EEG #209 : (499.2, 0.0, 688.0) mm    : MRI (surface RAS) frame>,
<DigPoint |   EEG #210 : (735.9, 0.0, 425.4) mm    : MRI (surface RAS) frame>,
<DigPoint |   EEG #211 : (845.3, 0.0, 89.3) mm     : MRI (surface RAS) frame>,
<DigPoint |   EEG #212 : (808.3, 0.0, -262.9) mm   : MRI (surface RAS) frame>,
<DigPoint |   EEG #213 : (-769.2, -252.7, -258.7) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #214 : (-800.4, -274.7, 79.9) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #215 : (-692.2, -299.3, 392.0) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #216 : (-468.1, -318.3, 634.1) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #217 : (-165.7, -328.0, 766.5) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #218 : (164.9, -328.1, 766.6) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #219 : (468.1, -318.3, 634.1) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #220 : (692.2, -299.3, 392.0) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #221 : (800.1, -275.5, 79.9) mm  : MRI (surface RAS) frame>,
<DigPoint |   EEG #222 : (769.2, -252.7, -258.7) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #223 : (-654.6, -482.0, -248.2) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #224 : (-670.3, -519.7, 56.1) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #225 : (-567.2, -558.7, 297.6) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #226 : (-378.3, -589.1, 482.0) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #227 : (-132.7, -605.5, 581.6) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #228 : (132.7, -605.5, 581.6) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #229 : (378.3, -589.1, 482.0) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #230 : (567.2, -558.7, 297.6) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #231 : (670.3, -519.7, 56.1) mm  : MRI (surface RAS) frame>,
<DigPoint |   EEG #232 : (654.8, -482.2, -247.5) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #233 : (-476.3, -665.2, -230.6) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #234 : (-469.4, -708.4, 17.9) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #235 : (-377.0, -746.3, 153.2) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #236 : (-244.0, -773.8, 253.4) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #237 : (-84.2, -788.5, 306.2) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #238 : (84.2, -788.7, 305.5) mm  : MRI (surface RAS) frame>,
<DigPoint |   EEG #239 : (243.3, -774.0, 253.5) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #240 : (377.0, -746.3, 153.2) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #241 : (468.8, -708.8, 17.0) mm  : MRI (surface RAS) frame>,
<DigPoint |   EEG #242 : (476.3, -665.2, -230.6) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #243 : (-131.9, -839.2, -28.9) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #244 : (132.8, -839.1, -28.9) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #245 : (-116.5, -762.1, -358.0) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #246 : (116.5, -762.1, -358.0) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #247 : (-336.9, 680.6, -381.9) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #248 : (-383.5, 756.9, -50.2) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #249 : (-312.1, 789.9, 33.2) mm  : MRI (surface RAS) frame>,
<DigPoint |   EEG #250 : (-220.4, 815.2, 97.0) mm  : MRI (surface RAS) frame>,
<DigPoint |   EEG #251 : (-114.0, 831.1, 137.0) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #252 : (0.0, 836.5, 150.6) mm    : MRI (surface RAS) frame>,
<DigPoint |   EEG #253 : (114.0, 831.1, 137.0) mm  : MRI (surface RAS) frame>,
<DigPoint |   EEG #254 : (219.6, 815.5, 96.2) mm   : MRI (surface RAS) frame>,
<DigPoint |   EEG #255 : (312.1, 789.9, 33.2) mm   : MRI (surface RAS) frame>,
<DigPoint |   EEG #256 : (383.5, 756.9, -50.2) mm  : MRI (surface RAS) frame>,
<DigPoint |   EEG #257 : (336.9, 680.6, -381.9) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #258 : (-522.2, 536.6, -402.3) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #259 : (-597.8, 600.4, -68.0) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #260 : (-536.9, 644.2, 138.7) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #261 : (-403.5, 681.0, 309.8) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #262 : (-216.1, 704.5, 423.7) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #263 : (0.0, 713.0, 462.8) mm    : MRI (surface RAS) frame>,
<DigPoint |   EEG #264 : (216.1, 704.5, 423.7) mm  : MRI (surface RAS) frame>,
<DigPoint |   EEG #265 : (404.0, 680.4, 310.4) mm  : MRI (surface RAS) frame>,
<DigPoint |   EEG #266 : (536.9, 644.2, 138.7) mm  : MRI (surface RAS) frame>,
<DigPoint |   EEG #267 : (597.8, 600.4, -68.0) mm  : MRI (surface RAS) frame>,
<DigPoint |   EEG #268 : (522.2, 536.6, -402.3) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #269 : (-657.0, 342.5, -416.5) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #270 : (-753.2, 385.5, -80.8) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #271 : (-706.7, 420.1, 216.0) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #272 : (-545.2, 450.8, 471.2) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #273 : (-297.0, 470.6, 642.5) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #274 : (0.0, 478.2, 702.8) mm    : MRI (surface RAS) frame>,
<DigPoint |   EEG #275 : (296.8, 470.3, 642.9) mm  : MRI (surface RAS) frame>,
<DigPoint |   EEG #276 : (545.2, 450.8, 471.2) mm  : MRI (surface RAS) frame>,
<DigPoint |   EEG #277 : (706.4, 420.4, 216.2) mm  : MRI (surface RAS) frame>,
<DigPoint |   EEG #278 : (753.4, 385.2, -80.8) mm  : MRI (surface RAS) frame>,
<DigPoint |   EEG #279 : (656.7, 342.8, -416.8) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #280 : (-727.0, 118.2, -424.2) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #281 : (-835.0, 132.6, -87.6) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #282 : (-796.7, 146.3, 257.6) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #283 : (-622.1, 157.4, 557.4) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #284 : (-340.2, 165.0, 761.3) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #285 : (0.0, 167.7, 833.3) mm    : MRI (surface RAS) frame>,
<DigPoint |   EEG #286 : (339.9, 164.9, 761.4) mm  : MRI (surface RAS) frame>,
<DigPoint |   EEG #287 : (621.7, 157.3, 557.9) mm  : MRI (surface RAS) frame>,
<DigPoint |   EEG #288 : (796.7, 146.3, 257.6) mm  : MRI (surface RAS) frame>,
<DigPoint |   EEG #289 : (835.0, 132.8, -87.7) mm  : MRI (surface RAS) frame>,
<DigPoint |   EEG #290 : (727.4, 118.3, -423.6) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #291 : (-727.0, -118.2, -424.2) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #292 : (-835.0, -132.6, -87.6) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #293 : (-796.7, -146.3, 257.6) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #294 : (-622.1, -157.4, 557.4) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #295 : (-340.2, -165.0, 761.3) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #296 : (0.0, -167.7, 833.3) mm   : MRI (surface RAS) frame>,
<DigPoint |   EEG #297 : (339.9, -164.9, 761.4) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #298 : (621.7, -157.3, 557.9) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #299 : (796.7, -146.3, 257.6) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #300 : (835.0, -132.8, -87.7) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #301 : (727.4, -118.3, -423.6) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #302 : (-657.0, -342.5, -416.5) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #303 : (-753.2, -385.5, -80.8) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #304 : (-706.7, -420.1, 216.0) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #305 : (-545.2, -450.8, 471.2) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #306 : (-297.0, -470.6, 642.5) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #307 : (0.0, -478.2, 702.8) mm   : MRI (surface RAS) frame>,
<DigPoint |   EEG #308 : (296.8, -470.3, 642.9) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #309 : (545.2, -450.8, 471.2) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #310 : (706.4, -420.4, 216.2) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #311 : (753.4, -385.2, -80.8) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #312 : (656.7, -342.8, -416.8) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #313 : (-522.2, -536.6, -402.3) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #314 : (-597.8, -600.4, -68.0) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #315 : (-536.9, -644.2, 138.7) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #316 : (-403.5, -681.0, 309.8) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #317 : (-216.9, -704.3, 423.6) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #318 : (0.0, -713.0, 462.8) mm   : MRI (surface RAS) frame>,
<DigPoint |   EEG #319 : (216.1, -704.5, 423.7) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #320 : (404.0, -680.4, 310.4) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #321 : (536.9, -644.2, 138.7) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #322 : (597.8, -600.4, -68.0) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #323 : (522.2, -536.6, -402.3) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #324 : (-336.9, -680.6, -381.9) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #325 : (-383.5, -756.9, -50.2) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #326 : (-312.1, -789.9, 33.2) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #327 : (-220.4, -815.2, 97.0) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #328 : (-114.0, -831.1, 137.0) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #329 : (0.0, -836.5, 150.6) mm   : MRI (surface RAS) frame>,
<DigPoint |   EEG #330 : (114.0, -831.1, 137.0) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #331 : (219.6, -815.5, 96.2) mm  : MRI (surface RAS) frame>,
<DigPoint |   EEG #332 : (312.1, -789.9, 33.2) mm  : MRI (surface RAS) frame>,
<DigPoint |   EEG #333 : (383.5, -756.9, -50.2) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #334 : (336.9, -680.6, -381.9) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #335 : (-250.8, -784.8, -209.1) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #336 : (0.0, -829.5, -185.4) mm  : MRI (surface RAS) frame>,
<DigPoint |   EEG #337 : (251.0, -784.6, -209.4) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #338 : (-845.4, 0.0, -88.5) mm   : MRI (surface RAS) frame>,
<DigPoint |   EEG #339 : (-684.2, -498.7, -74.9) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #340 : (845.4, 0.0, -88.5) mm    : MRI (surface RAS) frame>,
<DigPoint |   EEG #341 : (683.8, -499.3, -74.9) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #342 : (-596.1, -109.6, -596.0) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #343 : (596.1, -109.6, -596.0) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #344 : (-601.0, 0.0, -601.0) mm  : MRI (surface RAS) frame>,
<DigPoint |   EEG #345 : (601.0, 0.0, -601.0) mm   : MRI (surface RAS) frame>,
<DigPoint |   EEG #346 : (316.1, 620.4, -487.5) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #347 : (-502.2, 557.7, -399.1) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #348 : (316.1, 620.4, -487.5) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #349 : (-502.2, 557.7, -399.1) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #350 : (-502.2, 557.7, -399.1) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #351 : (502.2, 557.7, -399.1) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #352 : (-316.1, 620.4, -487.5) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #353 : (316.1, 620.4, -487.5) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #354 : (-347.0, 744.1, -220.0) mm : MRI (surface RAS) frame>,
<DigPoint |   EEG #355 : (347.0, 744.1, -220.0) mm : MRI (surface RAS) frame>]

It seems like there are 10 EOG channels (at the very bottom of your file) that you may like to remove (perhaps redundant in this case? I am not so familiar with this montage). Finally, I would recommend you to use mne.viz.plot_alignment or mne.viz.plot_montage(dig_montage, sphere='auto')) API to check if the electrode positions look approximately correct where you actually expect them to be.

One other thing:
Do check the coord_frame for the montage. I assued its in coord_frame='mri', it can be also in head frame. I am not sure.

This is with coord_frame='head':
Test results:

best,
Dip

dasdiptyajit · April 25, 2023, 5:26pm

@drammock is it possible or make sense to add this standard montage to the existing montage lookup table?

Eliteria · April 26, 2023, 2:53am

Thanks a lot, that’s definitely what I need!!!
It’s fine that for the 10 EOG, I can use set_channel_types to define their types.
REALLY thank you for your advice!!!

Best,
Eliteria

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