adding GRE magnitude data for testing (#23)

Author: behrouzvia

ds_b0/sub-fieldmap/fmap/sub-1_acq-gre_magnitude1.json

@@ -0,0 +1,73 @@
+{
+    "Modality":"MR",
+    "MagneticFieldStrength":3,
+    "ImagingFrequency":123.25,
+    "Manufacturer":"Siemens",
+    "ManufacturersModelName":"Prisma_fit",
+    "StationName":"MRC35049",
+    "BodyPartExamined":"BRAIN",
+    "PatientPosition":"HFS",
+    "SoftwareVersions":"syngo MR E11",
+    "MRAcquisitionType":"3D",
+    "SeriesDescription":"gre_3d_siemens_mrs_mask",
+    "ProtocolName":"gre_3d_siemens_mrs_mask",
+    "ScanningSequence":"GR",
+    "SequenceVariant":"SP\\OSP",
+    "SequenceName":"*fl3d2",
+    "ImageType":[
+        "ORIGINAL",
+        "PRIMARY",
+        "M",
+        "DIS2D"
+    ],
+    "NonlinearGradientCorrection":true,
+    "SeriesNumber":7,
+    "AcquisitionNumber":1,
+    "SliceThickness":4.4,
+    "SAR":0.0345734,
+    "EchoNumber":1,
+    "EchoTime":0.00239,
+    "RepetitionTime":0.009,
+    "FlipAngle":15,
+    "PartialFourier":1,
+    "BaseResolution":64,
+    "ShimSetting":[
+        318,
+        -6690,
+        -10349,
+        760,
+        -359,
+        4123,
+        643,
+        768
+    ],
+    "TxRefAmp":267.98,
+    "PhaseResolution":1,
+    "ReceiveCoilName":"HeadNeck_64",
+    "ReceiveCoilActiveElements":"HC1-7;NC1,2",
+    "PulseSequenceDetails":"%SiemensSeq%\\gre",
+    "RefLinesPE":24,
+    "CoilCombinationMethod":"Adaptive Combine",
+    "ConsistencyInfo":"N4_VE11C_LATEST_20160120",
+    "MatrixCoilMode":"GRAPPA",
+    "PercentPhaseFOV":84.375,
+    "PercentSampling":100,
+    "EchoTrainLength":2,
+    "PhaseEncodingSteps":63,
+    "AcquisitionMatrixPE":54,
+    "ReconMatrixPE":54,
+    "ParallelReductionFactorInPlane":2,
+    "PixelBandwidth":795,
+    "PhaseEncodingDirection":"j-",
+    "ImageOrientationPatientDICOM":[
+        1,
+        0,
+        0,
+        0,
+        0.993768,
+        -0.111469
+    ],
+    "InPlanePhaseEncodingDirectionDICOM":"COL",
+    "ConversionSoftware":"dcm2niix",
+    "ConversionSoftwareVersion":"v1.0.20230411"
+}