update the network docs (#1709)

Author: zingale

Docs/source/CNO_He_burn.png

@@ -702,6 +702,20 @@ @ARTICLE{itoh:1996
       adsnote = {Provided by the SAO/NASA Astrophysics Data System}
 }
 
+@ARTICLE{iso7,
+       author = {{Timmes}, F.~X. and {Hoffman}, R.~D. and {Woosley}, S.~E.},
+        title = "{An Inexpensive Nuclear Energy Generation Network for Stellar Hydrodynamics}",
+      journal = {\apjs},
+     keywords = {Hydrodynamics, Methods: Numerical, Nuclear Reactions, Nucleosynthesis, Abundances, Stars: General},
+         year = 2000,
+        month = jul,
+       volume = {129},
+       number = {1},
+        pages = {377-398},
+          doi = {10.1086/313407},
+       adsurl = {https://ui.adsabs.harvard.edu/abs/2000ApJS..129..377T},
+      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
+}
 
 @article{amrex_joss,
          doi = {10.21105/joss.01370},

Docs/source/networks.rst

@@ -39,14 +39,15 @@ def doit():
     rho = 1.e6
     T = 1.e9
 
-    net.plot(rho, T, comp, outfile="cno-he-burn-33a.png",
-             rotated=True, hide_xalpha=True, curved_edges=True,
-             size=(1500, 450),
-             node_size=500, node_font_size=11, node_color="#337dff", node_shape="s",
-             Z_range=(1, 29))
+    fig = net.plot(rho, T, comp,
+                   rotated=True, hide_xalpha=True, curved_edges=True,
+                   size=(1500, 450),
+                   node_size=500, node_font_size=11, node_color="#337dff", node_shape="s",
+                   Z_range=(1, 29))
 
     net.write_network()
 
+    fig.savefig("cno-he-burn-33a.png", bbox_inches="tight")
 
 if __name__ == "__main__":
     doit()

Docs/source/refs.bib

@@ -46,7 +46,7 @@ def doit():
                    size=(1800, 900),
                    node_size=500, node_shape="s", node_color="#337dff", node_font_size=10)
 
-    fig.savefig("he-burn-31anp.png")
+    fig.savefig("he-burn-31anp.png", bbox_inches="tight")
 
     net.write_network()
 

Docs/source/subch_base.png

@@ -40,7 +40,7 @@ def doit():
                    size=(1800, 900),
                    node_size=500, node_shape="s", node_color="#337dff", node_font_size=10)
 
-    fig.savefig("he-burn-36a.png")
+    fig.savefig("he-burn-36a.png", bbox_inches="tight")
 
     net.write_network()