3dpc error during proc py

JW1 · July 9, 2018, 6:57pm

Dear AFNI experts,

I encountered the following error during resting state analysis (example 11) when their proc scripts reached 3dpc. The error message is completely new to me so I don’t know what needs to be fixed.

3dpc -mask follow_ROI_FSvent+tlrc -pcsave 3 -prefix rm.ROIPC.FSvent rm.det_pcin_rall+tlrc
++ 3dpc: AFNI version=AFNI_17.1.10 (Jun 6 2017) [64-bit]
** ERROR: covariance diagonal (1,1) = 0
** ERROR: covariance diagonal (2,2) = 0
** ERROR: covariance diagonal (3,3) = 0
** ERROR: covariance diagonal (4,4) = 0
** ERROR: covariance diagonal (5,5) = 0
** ERROR: covariance diagonal (6,6) = 0
** ERROR: covariance diagonal (7,7) = 0
** ERROR: covariance diagonal (8,8) = 0
** ERROR: covariance diagonal (9,9) = 0
** ERROR: covariance diagonal (10,10) = 0
** ERROR: covariance diagonal (11,11) = 0
** ERROR: covariance diagonal (12,12) = 0
** ERROR: covariance diagonal (13,13) = 0
** ERROR: covariance diagonal (14,14) = 0
** ERROR: covariance diagonal (15,15) = 0
** ERROR: covariance diagonal (16,16) = 0
** ERROR: covariance diagonal (17,17) = 0
** ERROR: covariance diagonal (18,18) = 0
** ERROR: covariance diagonal (19,19) = 0
** ERROR: covariance diagonal (20,20) = 0
** ERROR: covariance diagonal (21,21) = 0
** ERROR: covariance diagonal (22,22) = 0
** ERROR: covariance diagonal (23,23) = 0
** ERROR: covariance diagonal (24,24) = 0
** ERROR: covariance diagonal (25,25) = 0
** ERROR: covariance diagonal (26,26) = 0
** ERROR: covariance diagonal (27,27) = 0
** ERROR: covariance diagonal (28,28) = 0
** ERROR: covariance diagonal (29,29) = 0
** ERROR: covariance diagonal (30,30) = 0
** ERROR: covariance diagonal (31,31) = 0
** ERROR: covariance diagonal (32,32) = 0
** ERROR: covariance diagonal (33,33) = 0
** ERROR: covariance diagonal (34,34) = 0
** ERROR: covariance diagonal (35,35) = 0
** ERROR: covariance diagonal (36,36) = 0
** ERROR: covariance diagonal (37,37) = 0
** ERROR: covariance diagonal (38,38) = 0
** ERROR: covariance diagonal (39,39) = 0
** ERROR: covariance diagonal (40,40) = 0
** ERROR: covariance diagonal (41,41) = 0
** ERROR: covariance diagonal (42,42) = 0
** ERROR: covariance diagonal (43,43) = 0
** ERROR: covariance diagonal (44,44) = 0
** ERROR: covariance diagonal (45,45) = 0
** ERROR: covariance diagonal (46,46) = 0
** ERROR: covariance diagonal (47,47) = 0
** ERROR: covariance diagonal (48,48) = 0
** ERROR: covariance diagonal (49,49) = 0
** ERROR: covariance diagonal (50,50) = 0
** ERROR: covariance diagonal (51,51) = 0
** ERROR: covariance diagonal (52,52) = 0
** ERROR: covariance diagonal (53,53) = 0
** ERROR: covariance diagonal (54,54) = 0
** ERROR: covariance diagonal (55,55) = 0
** ERROR: covariance diagonal (56,56) = 0
** ERROR: covariance diagonal (57,57) = 0
** ERROR: covariance diagonal (58,58) = 0
** ERROR: covariance diagonal (59,59) = 0
** ERROR: covariance diagonal (60,60) = 0
** ERROR: covariance diagonal (61,61) = 0
** ERROR: covariance diagonal (62,62) = 0
** ERROR: covariance diagonal (63,63) = 0
** ERROR: covariance diagonal (64,64) = 0
** ERROR: covariance diagonal (65,65) = 0
** ERROR: covariance diagonal (66,66) = 0
** ERROR: covariance diagonal (67,67) = 0
** ERROR: covariance diagonal (68,68) = 0
** ERROR: covariance diagonal (69,69) = 0
** ERROR: covariance diagonal (70,70) = 0
** ERROR: covariance diagonal (71,71) = 0
** ERROR: covariance diagonal (72,72) = 0
** ERROR: covariance diagonal (73,73) = 0
** ERROR: covariance diagonal (74,74) = 0
** ERROR: covariance diagonal (75,75) = 0
** ERROR: covariance diagonal (76,76) = 0
** ERROR: covariance diagonal (77,77) = 0
** ERROR: covariance diagonal (78,78) = 0
** ERROR: covariance diagonal (79,79) = 0
** ERROR: covariance diagonal (80,80) = 0
** ERROR: covariance diagonal (81,81) = 0
** ERROR: covariance diagonal (82,82) = 0
** ERROR: covariance diagonal (83,83) = 0
** ERROR: covariance diagonal (84,84) = 0
** ERROR: covariance diagonal (85,85) = 0
** ERROR: covariance diagonal (86,86) = 0
** ERROR: covariance diagonal (87,87) = 0
** ERROR: covariance diagonal (88,88) = 0
** ERROR: covariance diagonal (89,89) = 0
** ERROR: covariance diagonal (90,90) = 0
** ERROR: covariance diagonal (91,91) = 0
** ERROR: covariance diagonal (92,92) = 0
** ERROR: covariance diagonal (93,93) = 0
** ERROR: covariance diagonal (94,94) = 0
** ERROR: covariance diagonal (95,95) = 0
** ERROR: covariance diagonal (96,96) = 0
** ERROR: covariance diagonal (97,97) = 0
** ERROR: covariance diagonal (98,98) = 0
** ERROR: covariance diagonal (99,99) = 0
** ERROR: covariance diagonal (100,100) = 0
** ERROR: covariance diagonal (101,101) = 0
** ERROR: covariance diagonal (102,102) = 0
** ERROR: covariance diagonal (103,103) = 0
** ERROR: covariance diagonal (104,104) = 0
** ERROR: covariance diagonal (105,105) = 0
** ERROR: covariance diagonal (106,106) = 0
** ERROR: covariance diagonal (107,107) = 0
** ERROR: covariance diagonal (108,108) = 0
** ERROR: covariance diagonal (109,109) = 0
** ERROR: covariance diagonal (110,110) = 0
** ERROR: covariance diagonal (111,111) = 0
** ERROR: covariance diagonal (112,112) = 0
** ERROR: covariance diagonal (113,113) = 0
** ERROR: covariance diagonal (114,114) = 0
** ERROR: covariance diagonal (115,115) = 0
** ERROR: covariance diagonal (116,116) = 0
** ERROR: covariance diagonal (117,117) = 0
** ERROR: covariance diagonal (118,118) = 0
** ERROR: covariance diagonal (119,119) = 0
** ERROR: covariance diagonal (120,120) = 0
** ERROR: covariance diagonal (121,121) = 0
** ERROR: covariance diagonal (122,122) = 0
** ERROR: covariance diagonal (123,123) = 0
** ERROR: covariance diagonal (124,124) = 0
** ERROR: covariance diagonal (125,125) = 0
** ERROR: covariance diagonal (126,126) = 0
** ERROR: covariance diagonal (127,127) = 0
** ERROR: covariance diagonal (128,128) = 0
** ERROR: covariance diagonal (129,129) = 0
** ERROR: covariance diagonal (130,130) = 0
** ERROR: covariance diagonal (131,131) = 0
** ERROR: covariance diagonal (132,132) = 0
** ERROR: covariance diagonal (133,133) = 0
** ERROR: covariance diagonal (134,134) = 0
** ERROR: covariance diagonal (135,135) = 0
** ERROR: covariance diagonal (136,136) = 0
** ERROR: covariance diagonal (137,137) = 0
** ERROR: covariance diagonal (138,138) = 0
** ERROR: covariance diagonal (139,139) = 0
** ERROR: covariance diagonal (140,140) = 0
** ERROR: covariance diagonal (141,141) = 0
** ERROR: covariance diagonal (142,142) = 0
** ERROR: covariance diagonal (143,143) = 0
** ERROR: covariance diagonal (144,144) = 0
** ERROR: covariance diagonal (145,145) = 0
** ERROR: covariance diagonal (146,146) = 0
** ERROR: covariance diagonal (147,147) = 0
** ERROR: covariance diagonal (148,148) = 0
** ERROR: covariance diagonal (149,149) = 0
** ERROR: covariance diagonal (150,150) = 0
** ERROR: covariance diagonal (151,151) = 0
** ERROR: covariance diagonal (152,152) = 0
** ERROR: covariance diagonal (153,153) = 0
** ERROR: covariance diagonal (154,154) = 0
** ERROR: covariance diagonal (155,155) = 0
** ERROR: covariance diagonal (156,156) = 0
** ERROR: covariance diagonal (157,157) = 0
** ERROR: covariance diagonal (158,158) = 0
** ERROR: covariance diagonal (159,159) = 0
** ERROR: covariance diagonal (160,160) = 0
** ERROR: covariance diagonal (161,161) = 0
** ERROR: covariance diagonal (162,162) = 0
** ERROR: covariance diagonal (163,163) = 0
** ERROR: covariance diagonal (164,164) = 0
** ERROR: covariance diagonal (165,165) = 0
** ERROR: covariance diagonal (166,166) = 0
** ERROR: covariance diagonal (167,167) = 0
** ERROR: covariance diagonal (168,168) = 0
** ERROR: covariance diagonal (169,169) = 0
** ERROR: covariance diagonal (170,170) = 0
** ERROR: covariance diagonal (171,171) = 0
** ERROR: covariance diagonal (172,172) = 0
** ERROR: covariance diagonal (173,173) = 0
** ERROR: covariance diagonal (174,174) = 0
** ERROR: covariance diagonal (175,175) = 0
** ERROR: covariance diagonal (176,176) = 0
** ERROR: covariance diagonal (177,177) = 0
** ERROR: covariance diagonal (178,178) = 0
** ERROR: covariance diagonal (179,179) = 0
** ERROR: covariance diagonal (180,180) = 0
** ERROR: covariance diagonal (181,181) = 0
** ERROR: covariance diagonal (182,182) = 0
** ERROR: covariance diagonal (183,183) = 0
** ERROR: covariance diagonal (184,184) = 0
** ERROR: covariance diagonal (185,185) = 0
** ERROR: covariance diagonal (186,186) = 0
** ERROR: covariance diagonal (187,187) = 0
** ERROR: covariance diagonal (188,188) = 0
** ERROR: covariance diagonal (189,189) = 0
** ERROR: covariance diagonal (190,190) = 0
** ERROR: covariance diagonal (191,191) = 0
** ERROR: covariance diagonal (192,192) = 0
** ERROR: covariance diagonal (193,193) = 0
** ERROR: covariance diagonal (194,194) = 0
** ERROR: covariance diagonal (195,195) = 0
** ERROR: covariance diagonal (196,196) = 0
** ERROR: covariance diagonal (197,197) = 0
** ERROR: covariance diagonal (198,198) = 0
** ERROR: covariance diagonal (199,199) = 0
** ERROR: covariance diagonal (200,200) = 0
** ERROR: covariance diagonal (201,201) = 0
** ERROR: covariance diagonal (202,202) = 0
** ERROR: covariance diagonal (203,203) = 0
** ERROR: covariance diagonal (204,204) = 0
** ERROR: covariance diagonal (205,205) = 0
** ERROR: covariance diagonal (206,206) = 0
** ERROR: covariance diagonal (207,207) = 0
** ERROR: covariance diagonal (208,208) = 0
** ERROR: covariance diagonal (209,209) = 0
** ERROR: covariance diagonal (210,210) = 0
** ERROR: covariance diagonal (211,211) = 0
** ERROR: covariance diagonal (212,212) = 0
** ERROR: covariance diagonal (213,213) = 0
** ERROR: covariance diagonal (214,214) = 0
** ERROR: covariance diagonal (215,215) = 0
** ERROR: covariance diagonal (216,216) = 0
** ERROR: covariance diagonal (217,217) = 0
** ERROR: covariance diagonal (218,218) = 0
** ERROR: covariance diagonal (219,219) = 0
** ERROR: covariance diagonal (220,220) = 0
** ERROR: covariance diagonal (221,221) = 0
** ERROR: covariance diagonal (222,222) = 0
** ERROR: covariance diagonal (223,223) = 0
** ERROR: covariance diagonal (224,224) = 0
** ERROR: covariance diagonal (225,225) = 0
** ERROR: covariance diagonal (226,226) = 0
** ERROR: covariance diagonal (227,227) = 0
** ERROR: covariance diagonal (228,228) = 0
** ERROR: covariance diagonal (229,229) = 0
** ERROR: covariance diagonal (230,230) = 0
** ERROR: covariance diagonal (231,231) = 0
** ERROR: covariance diagonal (232,232) = 0
** ERROR: covariance diagonal (233,233) = 0
** ERROR: covariance diagonal (234,234) = 0
** ERROR: covariance diagonal (235,235) = 0
** ERROR: covariance diagonal (236,236) = 0
** ERROR: covariance diagonal (237,237) = 0
** FATAL ERROR: *** program exiting right here and now!
** Program compile date = Jun 6 2017

When running 3dmaskave -mask follow_ROI_FSvent+tlrc rm.det_pcin_rall+tlrc, I got the following.

++ 3dmaskave: AFNI version=AFNI_17.1.10 (Jun 6 2017) [64-bit]
+++ 1132 voxels survive the mask
0 [1132 voxels]
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Also, when checking anat and epi registration, epi image was not aligned to anat image. Could you please suggest how to solve this?

Thank you in advance for your help,
Jun

rickr · July 15, 2018, 2:37am

Hi Jun,

What is the output from:

3dinfo -prefix -n4 -orient -o3 follow_ROI_FSvent+tlrc rm.det_pcin_rall+tlrc

rick

JW1 · July 15, 2018, 5:47pm

Hi Rick,

Thank you so much for the response. Below is the output.

[hlhp-105:AES131/AES131.Ex/Proc_results] titus% 3dinfo -prefix -n4 -orient -o3 follow_ROI_FSvent+tlrc rm.det_pcin_rall+tlrc
follow_ROI_FSvent 96 114 96 1 LPI 95.000000 131.000000 -77.000000
rm.det_pcin_rall 96 114 96 237 LPI 95.000000 131.000000 -77.000000

Have a good rest of the weekend,
Jun