Updated examples

Author: blakedewey

nipype/interfaces/ants/segmentation.py

@@ -278,16 +278,25 @@ class N4BiasFieldCorrection(ANTSCommand):
     >>> n4.inputs.n_iterations = [50,50,30,20]
     >>> n4.inputs.convergence_threshold = 1e-6
     >>> n4.cmdline
-    'N4BiasFieldCorrection --convergence [ 50x50x30x20 ,1e-06] \
---bsline-fitting [300] --image-dimension 3 --input-image structural.nii \
---output structural_corrected.nii --shrink-factor 3'
+    'N4BiasFieldCorrection --bsline-fitting [ 300 ] \
+--image-dimension 3 --input-image structural.nii \
+--convergence [ 50x50x30x20, 1e-06 ] --output structural_corrected.nii \
+--shrink-factor 3'
 
-    >>> n4_2 = N4BiasFieldCorrection()
-    >>> n4_2.inputs.input_image = 'structural.nii'
-    >>> n4_2.inputs.save_bias = True
+	>>> n4_2 = n4.clone()
+    >>> n4_2.inputs.bspline_order = 5
     >>> n4_2.cmdline
+    'N4BiasFieldCorrection --bsline-fitting [ 300, 5 ] \
+--image-dimension 3 --input-image structural.nii \
+--convergence [ 50x50x30x20, 1e-06 ] --output structural_corrected.nii \
+--shrink-factor 3'
+
+    >>> n4_3 = N4BiasFieldCorrection()
+    >>> n4_3.inputs.input_image = 'structural.nii'
+    >>> n4_3.inputs.save_bias = True
+    >>> n4_3.cmdline
     'N4BiasFieldCorrection --image-dimension 3 --input-image structural.nii \
---output [structural_corrected.nii,structural_bias.nii]'
+--output [ structural_corrected.nii, structural_bias.nii ]'
     """
 
     _cmd = 'N4BiasFieldCorrection'