new default options

fedic.py

@@ -58,7 +58,7 @@ def fedic(
         images_quadrature=None,
         images_quadrature_from="points_count", # points_count, integral
         images_expressions_type="cpp", # cpp, py
-        images_dynamic_scaling=0,
+        images_dynamic_scaling=1,
         mesh=None,
         mesh_folder=None,
         mesh_basename=None,

image_expressions_cpp.py

@@ -91,7 +91,7 @@ public:
 
     void init_image(
         const char* filename,
-        const char* interpol_mode="'''+('''nearest''')*(im_type=="im")+('''nearest''')*(im_type=="grad")+'''",
+        const char* interpol_mode="'''+('''linear''')*(im_type=="im")+('''linear''')*(im_type=="grad")+'''",
         const double &interpol_out_value='''+('''0.''')*(im_type=="im")+('''0.''')*(im_type=="grad")+(''',
         const double &Z=0.''')*(im_dim==2)+''')
     {