Improved the fragmentation movie scripts

examples/Fragmentation/Fragmentation_Movie.py

@@ -366,7 +366,11 @@ def vec_props(self, c):
         # Set fragmentation parameters
         minimum_fragment_gmass = 0.01 * body_Gmass[style][1] 
         gmtiny = 0.50 * body_Gmass[style][1] 
-        sim.set_parameter(collision_model="fraggle", encounter_save="both", gmtiny=gmtiny, minimum_fragment_gmass=minimum_fragment_gmass, nfrag_reduction=nfrag_reduction[style])
+        sim.set_parameter(collision_model="fraggle", 
+                          encounter_save="both", 
+                          gmtiny=gmtiny, 
+                          minimum_fragment_gmass=minimum_fragment_gmass, 
+                          nfrag_reduction=nfrag_reduction[style])
         sim.run(dt=5e-4, tstop=tstop[style], istep_out=1, dump_cadence=0)
 
         print("Generating animation")

examples/Multibody_Fragmentation/Multibody_Movie.py

@@ -14,6 +14,15 @@
 Generates, runs, and processes a set of initial conditions for a multi-body super-catastrophic distruption collisional event. 
 All Swiftest output files are stored in the /supercatastrophic_multi subdirectory.
 
+**NOTE: You must have ffmpeg installed on your system before running this script. For instance, on MacOS:
+
+```brew install ffmpeg```
+
+on Ubuntu:
+
+```sudo apt-get install ffmpeg```
+
+
 Inputs
 _______
 None.
@@ -47,6 +56,16 @@
 movie_titles = dict(zip(available_movie_styles, movie_title_list))
 num_movie_frames = 1000
 
+
+# ----------------------------------------------------------------------------------------------------------------------
+# To increase the number of bodies generated in each collision type, decrease the value of the corresponding nfrag_reduction number 
+# ----------------------------------------------------------------------------------------------------------------------
+nfrag_reduction = {
+    "supercatastrophic_multi" : 5.0,
+    }
+
+
+
 # These initial conditions were generated by trial and error
 names = ["Body1","Body2","Body3","Body4"]
 
@@ -287,7 +306,12 @@ def vec_props(self, c):
         # Set fragmentation parameters
         minimum_fragment_gmass = 0.05 * body_Gmass[style][1] 
         gmtiny = 0.10 * body_Gmass[style][1] 
-        sim.set_parameter(collision_model="fraggle", encounter_save="both", gmtiny=gmtiny, minimum_fragment_gmass=minimum_fragment_gmass, verbose=False)
+        sim.set_parameter(collision_model="fraggle", 
+                          encounter_save="both", 
+                          gmtiny=gmtiny, 
+                          minimum_fragment_gmass=minimum_fragment_gmass,
+                          nfrag_reduction=nfrag_reduction[style],
+                          verbose=False)
         sim.run(dt=5e-4, tstop=tstop[style], istep_out=1, dump_cadence=0)
 
         print("Generating animation")