The sequences are labelled fieldmap (see further info below).
If these aren’t suitable for relatively easy plugging into mrtrix, is there an easier way to get things to work from the nii.gz and .bvals that I have instead?
Thank you again!
mrinfo for first fieldmap:
mrinfo: [100%] reading DICOM series "gre_field_mapping"
************************************************
Image name: "[MR] gre_field_mapping"
************************************************
Dimensions: 64 x 64 x 55 x 2
Voxel size: 3 x 3 x 3 x ?
Data strides: [ -1 -2 3 4 ]
Format: DICOM
Data type: unsigned 16 bit integer (little endian)
Intensity scaling: offset = 0, multiplier = 1
Transform: 1 2.051e-10 -7.272e-18 -93
-2.023e-10 0.9866 -0.1633 -82.62
-3.35e-11 0.1633 0.9866 -86.23
EchoTime: 0.00492,0.00738,0.00492,0.00738,0.00492,0.00738,0.00492,0.00738,0.00492,0.00738,0.00492,0.00738,0.00492,0.00738,0.00492,0.00738,0.00492,0.00738,0.00492,0.00738,0.00492,0.00738,0.00492,0.00738,0.00492,0.00738,0.00492,0.00738,0.00492,0.00738,0.00492,0.00738,0.00492,0.00738,0.00492,0.00738,0.00492,0.00738,0.00492,0.00738,0.00492,0.00738,0.00492,0.00738,0.00492,0.00738,0.00492,0.00738,0.00492,0.00738,0.00492,0.00738,0.00492,0.00738,0.00492,0.00738,0.00492,0.00738,0.00492,0.00738,0.00492,0.00738,0.00492
FlipAngle: 60
MultibandAccelerationFactor: 1
PhaseEncodingDirection: i-
PixelBandwidth: 260
RepetitionTime: 0.688
SliceEncodingDirection: k
SliceTiming: 0,1.04250002,0.704999983,0.362500012,0.717499971,0.375,0.0375000015,1.08000004,0.0500000007,1.09500003,0.0625,0.412499994,0.075000003,1.12,0.779999971,0.4375,0.100000001,1.14499998,0.805000007,0.462500006,0.817499995,1.16999996,0.137500003,0.487500012,0.842499971,1.19500005,0.855000019,0.512499988,0.867500007,0.524999976,0.1875,1.23249996,0.892499983,0.550000012,0.212500006,0.5625,0.917500019,0.577499986,0.237499997,1.28250003,0.942499995,0.602500021,0.954999983,0.61500001,0.967499971,0.627499998,0.287499994,1.33249998,0.992500007,1.34500003,1.005,1.35749996,1.01750004,0.67750001,1.02999997
mrinfo for second fieldmap:
mrinfo: [100%] reading DICOM series "gre_field_mapping"
************************************************
Image name: "[MR] gre_field_mapping"
************************************************
Dimensions: 64 x 64 x 55
Voxel size: 3 x 3 x 3
Data strides: [ -1 -2 3 ]
Format: DICOM
Data type: unsigned 16 bit integer (little endian)
Intensity scaling: offset = -4096, multiplier = 2
Transform: 1 2.051e-10 -7.272e-18 -93
-2.023e-10 0.9866 -0.1633 -82.62
-3.35e-11 0.1633 0.9866 -86.23
EchoTime: 0.00738
FlipAngle: 60
MultibandAccelerationFactor: 1
PhaseEncodingDirection: i-
PixelBandwidth: 260
RepetitionTime: 0.688
SliceEncodingDirection: k
SliceTiming: 0,0.349999994,0.0125000002,0.362500012,0.0250000004,0.375,0.0375000015,0.387499988,0.0500000007,0.402500004,0.0625,0.414999992,0.075000003,0.42750001,0.0874999985,0.439999998,0.100000001,0.452499986,0.112499997,0.465000004,0.125,0.477499992,0.137500003,0.49000001,0.150000006,0.502499998,0.162499994,0.514999986,0.174999997,0.527499974,0.1875,0.540000021,0.200000003,0.55250001,0.212500006,0.564999998,0.224999994,0.577499986,0.237499997,0.589999974,0.25,0.602500021,0.262499988,0.61500001,0.275000006,0.627499998,0.287499994,0.639999986,0.300000012,0.652499974,0.3125,0.665000021,0.324999988,0.67750001,0.337500006