diff --git a/NonLinearEVP/NonLinearEVP_data.geo b/NonLinearEVP/NonLinearEVP_data.geo
index ff1df1a1d74ea843717b6eefd4d631315be2c5a2..67844acb3f73affb3e5b179c8099190418285014 100644
--- a/NonLinearEVP/NonLinearEVP_data.geo
+++ b/NonLinearEVP/NonLinearEVP_data.geo
@@ -34,7 +34,7 @@ DefineConstant[ a_lat = {50     , Name StrCat[pp0  , "1grating period d [nm]"]
 
 
 DefineConstant[
-  d_sq           = {0.806 , Name StrCat[pp0 , "2sq [d]"] , Highlight Str[colorpp0]  , Min 0.01, Max 0.99} , 
+  d_sq           = {0.806 , Name StrCat[pp0 , "2square side size (fraction of period) [-]"] , Highlight Str[colorpp0]  , Min 0.01, Max 0.99} , 
   space2pml      = {1     , Name StrCat[pp0 , "3PML distance to object [d]"]  , Highlight Str[colorpp0], Min 0.1, Max 2} , 
   pmlsize        = {3     , Name StrCat[pp0 , "4PML thickness [d]"] , Highlight Str[colorpp0], Min 0.5, Max 4.} , 
   
@@ -57,11 +57,13 @@ DefineConstant[
   flag_Tmesh     = {0     , Name StrCat[pp4 , "2locally structured mesh?"] , Choices {0="unstruct",1="struct"} },
   flag_o2g       = {1     , Name StrCat[pp4 , "3Geometry order"] , Choices {0="o1 (linear)",1="o2 (curved)"} },
   flag_o2i       = {1     , Name StrCat[pp4 , "4Interpolation order"] , Choices {0="o1",1="o2"} },
+  flag_outEigvec = {1     , Name StrCat[pp4 , "5Corner rounding/0Do it!"], Choices{0,1}, ServerAction "ResetDatabase"},
+  corner_rad_frac= {0.1   , Name StrCat[pp4 , "5Corner rounding/1corner radius (fraction of square side)"] , Highlight Str[colorpp0]  , Min 0.01, Max 0.49},
+  flag_outEigvec = {1     , Name StrCat[pp4 , "7output eigenvector?"], Choices{0,1}},
   
   flag_res       = {2     , Name StrCat[pp5  , "0resolution type"], 
                         // Choices {0="Aux_E" ,1="PEP_E" ,2="NEP_E" ,3="Lag_E" ,4="PEP_h", 5="all"},ServerAction "ResetDatabase"},
-                        Choices {0="Aux_E" ,1="PEP_E" ,2="NEP_E" ,3="Lag_E" ,4="PEP_h"},ServerAction "ResetDatabase"},
-  flag_outEigvec = {1     , Name StrCat[pp4, "5output eigenvector?"], Choices{0,1}}
+                        Choices {0="Aux_E" ,1="PEP_E" ,2="NEP_E" ,3="Lag_E" ,4="PEP_h"},ServerAction "ResetDatabase"}
 ];
 
 // Normalized units so that 2*pi*c/a=1