diffusion sim update

.github/workflows/CMake.yml

@@ -23,13 +23,13 @@ jobs:
       with:
         cuda: '11.7.0'
 
-    - name: boost install
-      id: boost-install
+    - name: dependencies install
+      id: dependencies-install
       run: sudo apt-get update && sudo apt-get install -yq libboost-all-dev libhdf5-dev libtbb-dev 
 
     - uses: actions/checkout@v3
 
-    - name: echo settings
+    - name: Echo settings
       run: nvcc -V
 
     - run: mkdir ${{github.workspace}}/build   

README.md

@@ -40,7 +40,6 @@ We suggest utilizing the provided Dockerfile, which automates the installation o
 docker build -t spinwalk .
 docker run --gpus all --rm -it --runtime=nvidia spinwalk bash
 ```
-Execute the **spinwalk** command, and you'll encounter the help menu along with the list of available GPU(s) in the output.
 ### CMake
 
 #### Dependencies

config/dwi/dwi_baseline.ini

@@ -3,10 +3,10 @@ SEQ_NAME    = dwi_base
 PARENT_CONFIG = ../config_default.ini
 
 [FILES]
-OUTPUT_DIR   = ../../../outputs/dwi/
+OUTPUT_DIR   = ../../../outputs/dwi
 ;PHANTOM[0]  = ../../../phantoms/restricted_diffusion_model_cylinder.h5
-PHANTOM[0]  = ../../../phantoms/restricted_diffusion_model_sphere.h5
-;PHANTOM[1]  = ../../../phantoms/free_diffusion_model.dat
+;PHANTOM[0]  = ../../../phantoms/restricted_diffusion_model_sphere.h5
+PHANTOM[0]  = ../../../phantoms/free_diffusion_model.h5
 
 [TISSUE_PARAMETERS]
 ; m^2/Sec.
@@ -15,38 +15,40 @@ DIFFUSIVITY[1] = 0.6e-9
 ; Probability to diffuse from tissue X to tissue Y. X and Y are taken from the levels in the mask
 P_XY[0] = 1.00 1.00
 P_XY[1] = 1.00 1.00
-; T1 and T2 in seconds
-T1[0] = 10000
-T1[1] = 10000
-T2[0] = 10000
-T2[1] = 10000
+; T1 and T2 in millisecond (float)
+T1[0] = 1000000
+T1[1] = 1000000
+T2[0] = 1000000
+T2[1] = 1000000
 
 [SCAN_PARAMETERS]
-TR = 0.031
-TE[0] = 0.03
+; repetition time in microsecond (integer)
+TR = 70e3
+; echo time in microsecond (integer)
+TE[0] = 60e3
 ; RF Flip angle in degree 
 RF_FA[0] = 90.0
 RF_FA[1] = 180.0
 ; RF Phase in degree. The first RF phase is always 0.0, but can be controlled by PHASE_CYCLING in STEADY_STATE
 RF_PH[0] = 0.0
 RF_PH[1] = 90.0
-; Time (sec) to apply RF. The first RF start time is always 0.0
+; Time to apply RF in microsecond (integer). The first RF start time is always 0.0
 RF_T[0] = 0.0
-RF_T[1] = 0.015
-; Apply gradient in T/m for each axis. Gradients are active for one TIME_STEP
+RF_T[1] = 30e3
+; Apply gradient in mT/m for each axis. Gradients are active for one TIME_STEP
 GRADIENT_XYZ[0] = 0.0 0.0 0.0
 GRADIENT_XYZ[1] = 0.0 0.0 0.0
-; Time (sec) to apply gradient.
-GRADIENT_T[0] = 0.001
-GRADIENT_T[1] = 0.029
-
+; Time to apply gradient in micro-second (integer).
+GRADIENT_T[0] = 15e3
+GRADIENT_T[1] = 45e3
+; time intervals per random-walk in micro-second (integer)
 TIME_STEP  = 50
 
 [SIMULATION_PARAMETERS]
 ; use 0 for random seed generation, otherwise use a positive integer to make a reproducible simulation
 SEED = 25
 NUMBER_OF_SPINS = 1e6
-SAMPLE_LENGTH_SCALES[0] = 0.5
+SAMPLE_LENGTH_SCALES[0] = 1.0
 MAX_ITERATIONS = 1e6
 RECORD_TRAJECTORY = 0
 

config/dwi/dwi_x_100.ini

@@ -3,6 +3,6 @@ SEQ_NAME    = dwi_x_100
 PARENT_CONFIG = dwi_baseline.ini
 
 [SCAN_PARAMETERS]
-; Apply gradient in T/m for each axis. Gradients are active for one TIME_STEP
-GRADIENT_XYZ[0] = 4.46922 0.0 0.0
-GRADIENT_XYZ[1] = 4.46922 0.0 0.0
+; Apply gradient in mT/m for each axis. Gradients are active for one DWELL_TIME
+GRADIENT_XYZ[0] = 4317.58990 0.0 0.0
+GRADIENT_XYZ[1] = 4317.58990 0.0 0.0

config/dwi/dwi_x_1000.ini

@@ -3,6 +3,6 @@ SEQ_NAME    = dwi_x_1000
 PARENT_CONFIG = dwi_baseline.ini
 
 [SCAN_PARAMETERS]
-; Apply gradient in T/m for each axis. Gradients are active for one TIME_STEP
-GRADIENT_XYZ[0] = 14.13291 0.0 0.0
-GRADIENT_XYZ[1] = 14.13291 0.0 0.0
+; Apply gradient in mT/m for each axis. Gradients are active for one DWELL_TIME
+GRADIENT_XYZ[0] = 13653.41808 0.0 0.0
+GRADIENT_XYZ[1] = 13653.41808 0.0 0.0

config/dwi/dwi_x_1100.ini

@@ -3,6 +3,6 @@ SEQ_NAME    = dwi_x_1100
 PARENT_CONFIG = dwi_baseline.ini
 
 [SCAN_PARAMETERS]
-; Apply gradient in T/m for each axis. Gradients are active for one TIME_STEP
-GRADIENT_XYZ[0] = 14.82272 0.0 0.0
-GRADIENT_XYZ[1] = 14.82272 0.0 0.0
+; Apply gradient in mT/m for each axis. Gradients are active for one DWELL_TIME
+GRADIENT_XYZ[0] = 14319.82569 0.0 0.0
+GRADIENT_XYZ[1] = 14319.82569 0.0 0.0

config/dwi/dwi_x_1150.ini

@@ -3,6 +3,6 @@ SEQ_NAME    = dwi_x_1150
 PARENT_CONFIG = dwi_baseline.ini
 
 [SCAN_PARAMETERS]
-; Apply gradient in T/m for each axis. Gradients are active for one TIME_STEP
+; Apply gradient in mT/m for each axis. Gradients are active for one TIME_STEP
 GRADIENT_XYZ[0] = 15.15586 0.0 0.0
 GRADIENT_XYZ[1] = 15.15586 0.0 0.0

config/dwi/dwi_x_1200.ini

@@ -3,6 +3,6 @@ SEQ_NAME    = dwi_x_1200
 PARENT_CONFIG = dwi_baseline.ini
 
 [SCAN_PARAMETERS]
-; Apply gradient in T/m for each axis. Gradients are active for one TIME_STEP
-GRADIENT_XYZ[0] = 15.48183 0.0 0.0
-GRADIENT_XYZ[1] = 15.48183 0.0 0.0
+; Apply gradient in mT/m for each axis. Gradients are active for one DWELL_TIME
+GRADIENT_XYZ[0] = 14956.57014 0.0 0.0
+GRADIENT_XYZ[1] = 14956.57014 0.0 0.0

config/dwi/dwi_x_1300.ini

@@ -3,6 +3,6 @@ SEQ_NAME    = dwi_x_1300
 PARENT_CONFIG = dwi_baseline.ini
 
 [SCAN_PARAMETERS]
-; Apply gradient in T/m for each axis. Gradients are active for one TIME_STEP
-GRADIENT_XYZ[0] = 16.11400 0.0 0.0
-GRADIENT_XYZ[1] = 16.11400 0.0 0.0
+; Apply gradient in mT/m for each axis. Gradients are active for one DWELL_TIME
+GRADIENT_XYZ[0] = 15567.29177 0.0 0.0
+GRADIENT_XYZ[1] = 15567.29177 0.0 0.0

config/dwi/dwi_x_1350.ini

@@ -3,6 +3,6 @@ SEQ_NAME    = dwi_x_1350
 PARENT_CONFIG = dwi_baseline.ini
 
 [SCAN_PARAMETERS]
-; Apply gradient in T/m for each axis. Gradients are active for one TIME_STEP
+; Apply gradient in mT/m for each axis. Gradients are active for one TIME_STEP
 GRADIENT_XYZ[0] = 16.42096 0.0 0.0
 GRADIENT_XYZ[1] = 16.42096 0.0 0.0

config/dwi/dwi_x_1400.ini

@@ -3,6 +3,6 @@ SEQ_NAME    = dwi_x_1400
 PARENT_CONFIG = dwi_baseline.ini
 
 [SCAN_PARAMETERS]
-; Apply gradient in T/m for each axis. Gradients are active for one TIME_STEP
-GRADIENT_XYZ[0] = 16.72229 0.0 0.0
-GRADIENT_XYZ[1] = 16.72229 0.0 0.0
+; Apply gradient in mT/m for each axis. Gradients are active for one DWELL_TIME
+GRADIENT_XYZ[0] = 16154.94214 0.0 0.0
+GRADIENT_XYZ[1] = 16154.94214 0.0 0.0

config/dwi/dwi_x_1500.ini

@@ -3,6 +3,6 @@ SEQ_NAME    = dwi_x_1500
 PARENT_CONFIG = dwi_baseline.ini
 
 [SCAN_PARAMETERS]
-; Apply gradient in T/m for each axis. Gradients are active for one TIME_STEP
-GRADIENT_XYZ[0] = 17.30921 0.0 0.0
-GRADIENT_XYZ[1] = 17.30921 0.0 0.0
+; Apply gradient in mT/m for each axis. Gradients are active for one DWELL_TIME
+GRADIENT_XYZ[0] = 16721.95377 0.0 0.0
+GRADIENT_XYZ[1] = 16721.95377 0.0 0.0

config/dwi/dwi_x_1600.ini

@@ -3,6 +3,6 @@ SEQ_NAME    = dwi_x_1600
 PARENT_CONFIG = dwi_baseline.ini
 
 [SCAN_PARAMETERS]
-; Apply gradient in T/m for each axis. Gradients are active for one TIME_STEP
-GRADIENT_XYZ[0] = 17.87688 0.0 0.0
-GRADIENT_XYZ[1] = 17.87688 0.0 0.0
+; Apply gradient in mT/m for each axis. Gradients are active for one DWELL_TIME
+GRADIENT_XYZ[0] = 17270.35959 0.0 0.0
+GRADIENT_XYZ[1] = 17270.35959 0.0 0.0

config/dwi/dwi_x_1700.ini

@@ -3,6 +3,6 @@ SEQ_NAME    = dwi_x_1700
 PARENT_CONFIG = dwi_baseline.ini
 
 [SCAN_PARAMETERS]
-; Apply gradient in T/m for each axis. Gradients are active for one TIME_STEP
-GRADIENT_XYZ[0] = 18.42706 0.0 0.0
-GRADIENT_XYZ[1] = 18.42706 0.0 0.0
+; Apply gradient in mT/m for each axis. Gradients are active for one DWELL_TIME
+GRADIENT_XYZ[0] = 17801.87920 0.0 0.0
+GRADIENT_XYZ[1] = 17801.87920 0.0 0.0

config/dwi/dwi_x_1750.ini

@@ -3,6 +3,6 @@ SEQ_NAME    = dwi_x_1750
 PARENT_CONFIG = dwi_baseline.ini
 
 [SCAN_PARAMETERS]
-; Apply gradient in T/m for each axis. Gradients are active for one TIME_STEP
+; Apply gradient in mT/m for each axis. Gradients are active for one TIME_STEP
 GRADIENT_XYZ[0] = 18.69608 0.0 0.0
 GRADIENT_XYZ[1] = 18.69608 0.0 0.0

config/dwi/dwi_x_1800.ini

@@ -3,6 +3,6 @@ SEQ_NAME    = dwi_x_1800
 PARENT_CONFIG = dwi_baseline.ini
 
 [SCAN_PARAMETERS]
-; Apply gradient in T/m for each axis. Gradients are active for one TIME_STEP
-GRADIENT_XYZ[0] = 18.96129 0.0 0.0
-GRADIENT_XYZ[1] = 18.96129 0.0 0.0
+; Apply gradient in mT/m for each axis. Gradients are active for one DWELL_TIME
+GRADIENT_XYZ[0] = 18317.98257 0.0 0.0
+GRADIENT_XYZ[1] = 18317.98257 0.0 0.0

config/dwi/dwi_x_1900.ini

@@ -3,6 +3,6 @@ SEQ_NAME    = dwi_x_1900
 PARENT_CONFIG = dwi_baseline.ini
 
 [SCAN_PARAMETERS]
-; Apply gradient in T/m for each axis. Gradients are active for one TIME_STEP
-GRADIENT_XYZ[0] = 19.48087 0.0 0.0
-GRADIENT_XYZ[1] = 19.48087 0.0 0.0
+; Apply gradient in mT/m for each axis. Gradients are active for one DWELL_TIME
+GRADIENT_XYZ[0] = 18819.93805 0.0 0.0
+GRADIENT_XYZ[1] = 18819.93805 0.0 0.0

config/dwi/dwi_x_200.ini

@@ -3,6 +3,6 @@ SEQ_NAME    = dwi_x_200
 PARENT_CONFIG = dwi_baseline.ini
 
 [SCAN_PARAMETERS]
-; Apply gradient in T/m for each axis. Gradients are active for one TIME_STEP
-GRADIENT_XYZ[0] = 6.32043 0.0 0.0
-GRADIENT_XYZ[1] = 6.32043 0.0 0.0
+; Apply gradient in mT/m for each axis. Gradients are active for one DWELL_TIME
+GRADIENT_XYZ[0] = 6105.99419 0.0 0.0
+GRADIENT_XYZ[1] = 6105.99419 0.0 0.0

config/dwi/dwi_x_2000.ini

@@ -3,6 +3,6 @@ SEQ_NAME    = dwi_x_2000
 PARENT_CONFIG = dwi_baseline.ini
 
 [SCAN_PARAMETERS]
-; Apply gradient in T/m for each axis. Gradients are active for one TIME_STEP
-GRADIENT_XYZ[0] = 19.98695 0.0 0.0
-GRADIENT_XYZ[1] = 19.98695 0.0 0.0
+; Apply gradient in mT/m for each axis. Gradients are active for one DWELL_TIME
+GRADIENT_XYZ[0] = 19308.84903 0.0 0.0
+GRADIENT_XYZ[1] = 19308.84903 0.0 0.0

config/dwi/dwi_x_2100.ini

@@ -3,6 +3,6 @@ SEQ_NAME    = dwi_x_2100
 PARENT_CONFIG = dwi_baseline.ini
 
 [SCAN_PARAMETERS]
-; Apply gradient in T/m for each axis. Gradients are active for one TIME_STEP
-GRADIENT_XYZ[0] = 20.48053 0.0 0.0
-GRADIENT_XYZ[1] = 20.48053 0.0 0.0
+; Apply gradient in mT/m for each axis. Gradients are active for one DWELL_TIME
+GRADIENT_XYZ[0] = 19785.68253 0.0 0.0
+GRADIENT_XYZ[1] = 19785.68253 0.0 0.0

config/dwi/dwi_x_2200.ini

@@ -3,6 +3,6 @@ SEQ_NAME    = dwi_x_2200
 PARENT_CONFIG = dwi_baseline.ini
 
 [SCAN_PARAMETERS]
-; Apply gradient in T/m for each axis. Gradients are active for one TIME_STEP
-GRADIENT_XYZ[0] = 20.96249 0.0 0.0
-GRADIENT_XYZ[1] = 20.96249 0.0 0.0
+; Apply gradient in mT/m for each axis. Gradients are active for one DWELL_TIME
+GRADIENT_XYZ[0] = 20251.29171 0.0 0.0
+GRADIENT_XYZ[1] = 20251.29171 0.0 0.0

config/dwi/dwi_x_2300.ini

@@ -3,6 +3,6 @@ SEQ_NAME    = dwi_x_2300
 PARENT_CONFIG = dwi_baseline.ini
 
 [SCAN_PARAMETERS]
-; Apply gradient in T/m for each axis. Gradients are active for one TIME_STEP
-GRADIENT_XYZ[0] = 21.43362 0.0 0.0
-GRADIENT_XYZ[1] = 21.43362 0.0 0.0
+; Apply gradient in mT/m for each axis. Gradients are active for one DWELL_TIME
+GRADIENT_XYZ[0] = 20706.43374 0.0 0.0
+GRADIENT_XYZ[1] = 20706.43374 0.0 0.0

config/dwi/dwi_x_2400.ini

@@ -3,6 +3,6 @@ SEQ_NAME    = dwi_x_2400
 PARENT_CONFIG = dwi_baseline.ini
 
 [SCAN_PARAMETERS]
-; Apply gradient in T/m for each axis. Gradients are active for one TIME_STEP
-GRADIENT_XYZ[0] = 21.89461 0.0 0.0
-GRADIENT_XYZ[1] = 21.89461 0.0 0.0
+; Apply gradient in mT/m for each axis. Gradients are active for one DWELL_TIME
+GRADIENT_XYZ[0] = 21151.78434 0.0 0.0
+GRADIENT_XYZ[1] = 21151.78434 0.0 0.0

config/dwi/dwi_x_2500.ini

@@ -3,6 +3,6 @@ SEQ_NAME    = dwi_x_2500
 PARENT_CONFIG = dwi_baseline.ini
 
 [SCAN_PARAMETERS]
-; Apply gradient in T/m for each axis. Gradients are active for one TIME_STEP
-GRADIENT_XYZ[0] = 22.34609 0.0 0.0
-GRADIENT_XYZ[1] = 22.34609 0.0 0.0
+; Apply gradient in mT/m for each axis. Gradients are active for one DWELL_TIME
+GRADIENT_XYZ[0] = 21587.94949 0.0 0.0
+GRADIENT_XYZ[1] = 21587.94949 0.0 0.0

config/dwi/dwi_x_2600.ini

@@ -3,6 +3,6 @@ SEQ_NAME    = dwi_x_2600
 PARENT_CONFIG = dwi_baseline.ini
 
 [SCAN_PARAMETERS]
-; Apply gradient in T/m for each axis. Gradients are active for one TIME_STEP
-GRADIENT_XYZ[0] = 22.78863 0.0 0.0
-GRADIENT_XYZ[1] = 22.78863 0.0 0.0
+; Apply gradient in mT/m for each axis. Gradients are active for one DWELL_TIME
+GRADIENT_XYZ[0] = 22015.47515 0.0 0.0
+GRADIENT_XYZ[1] = 22015.47515 0.0 0.0

config/dwi/dwi_x_2700.ini

@@ -3,6 +3,6 @@ SEQ_NAME    = dwi_x_2700
 PARENT_CONFIG = dwi_baseline.ini
 
 [SCAN_PARAMETERS]
-; Apply gradient in T/m for each axis. Gradients are active for one TIME_STEP
-GRADIENT_XYZ[0] = 23.22274 0.0 0.0
-GRADIENT_XYZ[1] = 23.22274 0.0 0.0
+; Apply gradient in mT/m for each axis. Gradients are active for one DWELL_TIME
+GRADIENT_XYZ[0] = 22434.85521 0.0 0.0
+GRADIENT_XYZ[1] = 22434.85521 0.0 0.0

config/dwi/dwi_x_2800.ini

@@ -3,6 +3,6 @@ SEQ_NAME    = dwi_x_2800
 PARENT_CONFIG = dwi_baseline.ini
 
 [SCAN_PARAMETERS]
-; Apply gradient in T/m for each axis. Gradients are active for one TIME_STEP
-GRADIENT_XYZ[0] = 23.64888 0.0 0.0
-GRADIENT_XYZ[1] = 23.64888 0.0 0.0
+; Apply gradient in mT/m for each axis. Gradients are active for one DWELL_TIME
+GRADIENT_XYZ[0] = 22846.53827 0.0 0.0
+GRADIENT_XYZ[1] = 22846.53827 0.0 0.0

config/dwi/dwi_x_2900.ini

@@ -3,6 +3,6 @@ SEQ_NAME    = dwi_x_2900
 PARENT_CONFIG = dwi_baseline.ini
 
 [SCAN_PARAMETERS]
-; Apply gradient in T/m for each axis. Gradients are active for one TIME_STEP
-GRADIENT_XYZ[0] = 24.06748 0.0 0.0
-GRADIENT_XYZ[1] = 24.06748 0.0 0.0
+; Apply gradient in mT/m for each axis. Gradients are active for one DWELL_TIME
+GRADIENT_XYZ[0] = 23250.93317 0.0 0.0
+GRADIENT_XYZ[1] = 23250.93317 0.0 0.0

config/dwi/dwi_x_300.ini

@@ -3,6 +3,6 @@ SEQ_NAME    = dwi_x_300
 PARENT_CONFIG = dwi_baseline.ini
 
 [SCAN_PARAMETERS]
-; Apply gradient in T/m for each axis. Gradients are active for one TIME_STEP
-GRADIENT_XYZ[0] = 7.74091 0.0 0.0
-GRADIENT_XYZ[1] = 7.74091 0.0 0.0
+; Apply gradient in mT/m for each axis. Gradients are active for one DWELL_TIME
+GRADIENT_XYZ[0] = 7478.28507 0.0 0.0
+GRADIENT_XYZ[1] = 7478.28507 0.0 0.0

config/dwi/dwi_x_3000.ini

@@ -3,6 +3,6 @@ SEQ_NAME    = dwi_x_3000
 PARENT_CONFIG = dwi_baseline.ini
 
 [SCAN_PARAMETERS]
-; Apply gradient in T/m for each axis. Gradients are active for one TIME_STEP
-GRADIENT_XYZ[0] = 24.47892 0.0 0.0
-GRADIENT_XYZ[1] = 24.47892 0.0 0.0
+; Apply gradient in mT/m for each axis. Gradients are active for one DWELL_TIME
+GRADIENT_XYZ[0] = 23648.41382 0.0 0.0
+GRADIENT_XYZ[1] = 23648.41382 0.0 0.0

config/dwi/dwi_x_3100.ini

@@ -3,6 +3,6 @@ SEQ_NAME    = dwi_x_3100
 PARENT_CONFIG = dwi_baseline.ini
 
 [SCAN_PARAMETERS]
-; Apply gradient in T/m for each axis. Gradients are active for one TIME_STEP
-GRADIENT_XYZ[0] = 24.88356 0.0 0.0
-GRADIENT_XYZ[1] = 24.88356 0.0 0.0
+; Apply gradient in mT/m for each axis. Gradients are active for one DWELL_TIME
+GRADIENT_XYZ[0] = 24039.32317 0.0 0.0
+GRADIENT_XYZ[1] = 24039.32317 0.0 0.0

config/dwi/dwi_x_3200.ini

@@ -3,6 +3,6 @@ SEQ_NAME    = dwi_x_3200
 PARENT_CONFIG = dwi_baseline.ini
 
 [SCAN_PARAMETERS]
-; Apply gradient in T/m for each axis. Gradients are active for one TIME_STEP
-GRADIENT_XYZ[0] = 25.28172 0.0 0.0
-GRADIENT_XYZ[1] = 25.28172 0.0 0.0
+; Apply gradient in mT/m for each axis. Gradients are active for one DWELL_TIME
+GRADIENT_XYZ[0] = 24423.97677 0.0 0.0
+GRADIENT_XYZ[1] = 24423.97677 0.0 0.0

config/dwi/dwi_x_3300.ini

@@ -3,6 +3,6 @@ SEQ_NAME    = dwi_x_3300
 PARENT_CONFIG = dwi_baseline.ini
 
 [SCAN_PARAMETERS]
-; Apply gradient in T/m for each axis. Gradients are active for one TIME_STEP
-GRADIENT_XYZ[0] = 25.67371 0.0 0.0
-GRADIENT_XYZ[1] = 25.67371 0.0 0.0
+; Apply gradient in mT/m for each axis. Gradients are active for one DWELL_TIME
+GRADIENT_XYZ[0] = 24802.66566 0.0 0.0
+GRADIENT_XYZ[1] = 24802.66566 0.0 0.0

config/dwi/dwi_x_3400.ini

@@ -3,6 +3,6 @@ SEQ_NAME    = dwi_x_3400
 PARENT_CONFIG = dwi_baseline.ini
 
 [SCAN_PARAMETERS]
-; Apply gradient in T/m for each axis. Gradients are active for one TIME_STEP
-GRADIENT_XYZ[0] = 26.05980 0.0 0.0
-GRADIENT_XYZ[1] = 26.05980 0.0 0.0
+; Apply gradient in mT/m for each axis. Gradients are active for one DWELL_TIME
+GRADIENT_XYZ[0] = 25175.65900 0.0 0.0
+GRADIENT_XYZ[1] = 25175.65900 0.0 0.0