fixed default padding value for fresnel propagator

functions/fresnelPropagation/FresnelPropagator.m

@@ -34,7 +34,7 @@ classdef FresnelPropagator
 %     Determines the method (= underlying discretization approach) used to Fresnel-propagate images.
 %     Admissible choices: {'fourier', 'chirp', 'chirpLimited', 'pixel2pixel'} (details are given 
 %     in the documentation of fresnelPropagationKernel)
-% padVal : Default = 'replicate
+% padVal : Default = 'replicate'
 %     Number or string that determines how the images are optionally padded. Same admissible
 %     choices as for the MATLAB-function padarray.
 % singlePrecision : Default = false
@@ -256,7 +256,7 @@ methods (Static)
         defaults.method = 'fourier';
         defaults.sizePad = [];
         defaults.sizeOut = [];
-        defaults.padVal = 0;
+        defaults.padVal = 'replicate';
         defaults.fresnely = [];
         defaults.fresnelz = [];
         defaults.singlePrecision = false;