Add rules to compute $\alpha$

pp_params.yml

@@ -13,6 +13,7 @@ disk: # Disk speficic parameters
     enable    : False                 # Enable specific disk analysis
     pos_star  : [1., 1., 1.]          # Position of the central star
     binning   : "log"                 # Kind of binning (lin : linear, log : logarithmic)
+    mass_star : 1.                    # Mass of the central star
     nb_bin    : 100                   # Number of bins for averaged quantities
     bin_in    : 1e-3                  # Outer radius of the inner bin
     bin_out   : 0.25                  # Inner radius of the outer bin
@@ -35,12 +36,18 @@ pymses: # Parameters for Pymses reader
     levelmax : 20                      # Maximal AMR level visited when looking levels
     fft      : False                   # Quick and dirty rendering using FFT
     verbose  : False                   # Let pymses write on standart output
+    multiprocessing : True             # Whether to use multiprocessing
 
     # Camera settings
     center   :  [0.5, 0.5, 0.5]        # Center of the image
     zoom     : 1.                      # Zoom  of the image
     map_size : 1024                    # Size of the computed maps in pixel
 
+    # Filter parameters
+    filter     : False                 # Enable filtering
+    min_coords : [0.35, 0.35, 0.45]
+    max_coords : [0.65, 0.65, 0.55]
+
 input: # Parameters on how to look for input files (= output from Ramses)
 
     log_prefix     : "run.log"         # Prefix of the log file