add v11 Density_Env,

correcting the amount of data per step in v11 Density_PAR?

ess/TraceWin.py

@@ -745,8 +745,10 @@ class density_file:
                 numpy.fromfile(self.fin, dtype=numpy.int16, count=300 // 2)
             elif self.version == 10:
                 numpy.fromfile(self.fin, dtype=numpy.int16, count=356 // 2)
+            elif self.version == 11:
+                numpy.fromfile(self.fin, dtype=numpy.int16, count=364 // 2)
             else:
-                raise TypeError("It is not possible to read this format..")
+                raise TypeError(f"It is not possible to read {self.filename}")
         elif self.Nrun > 1:
             # WARN not 100% sure if this is correct..
             if self.version <= 9:
@@ -758,7 +760,7 @@ class density_file:
                     self.fin, dtype=numpy.int16, count=((20796 + self.Nrun * 12) // 2)
                 )
             else:
-                raise TypeError("It is not possible to read this format..")
+                raise TypeError(f"It is not possible to read {self.filename}")
         elif self.version == 8:
             numpy.fromfile(self.fin, dtype=numpy.int16, count=12344 // 2)
         elif self.version == 9:
@@ -766,9 +768,9 @@ class density_file:
         elif self.version == 10:
             numpy.fromfile(self.fin, dtype=numpy.int16, count=12408 // 2)
         elif self.version == 11:
-            numpy.fromfile(self.fin, dtype=numpy.int16, count=12416 // 2)
+            numpy.fromfile(self.fin, dtype=numpy.int16, count=8816 // 2)
         else:
-            raise TypeError("It is not possible to read this format..")
+            raise TypeError(f"It is not possible to read {self.filename}")
 
     def _get_7dim_array(array):
         """