3-NIRVANA-user-guide/3.1-Code-basics.md

@@ -453,7 +453,7 @@ The criterion is applied to primary (or related) physical variables
     flow features right in time.*
 
 -   Jeans-length-based (important in simulations involving selfgravity)  
-![amr_Jeans](uploads/0ba770df864c30ebefb50cd93a419e09/amr_Jeans.png)    
+![amr_Jeans](uploads/f4f4b19589de242e49db03a088acdf8f/amr_Jeans.png)    
     where the first factor is the local Jeans length with
     *c*<sub>*s*</sub> the sound speed and *G* the gravitational
     constant, and where
@@ -464,7 +464,7 @@ The criterion is applied to primary (or related) physical variables
 
 -   Field-length-based (potentially relevant for simulations involving a
     heatloss source but rarely used in practice):  
-![amr_Field](uploads/e8315277b9e4719780e1c7422af3f13f/amr_Field.png)
+![amr_Field](uploads/c6efe21c3ae7513e6e945eb14c9f6b5b/amr_Field.png)
     where the first factor is the Field length with *L*(𝜚, *T*) the
     density- and temperature-dependent heatloss function and *κ* the
     thermal conduction coefficient. ℰ<sub>*F**i**e**l**d*</sub> is a