Huge refactoring

ism.py

@@ -3,7 +3,7 @@
 import numpy as np
 import pandas as pd
 from plotter import U
-import postprocessor
+import snapshotprocessor
 
 mp = 1.4 * 1.66 * 10 ** (-24) * U.g
 z0 = 150 * U.pc
@@ -53,7 +53,7 @@ def get_sinks(pp):
 
 
 def analyze_box(pp):
-    pp.cells["mass"] = postprocessor.mass_func(pp.cells)
+    pp.cells["mass"] = snapshotprocessor.mass_func(pp.cells)
     pp.coldens("z")
     coldens = pp.get_value("/maps/coldens_z", unit=U.coldens)
     sinks = get_sinks(pp)