Add addition object purge @doutriaux1 @danlipsa

make_newVsOldDiffs.py

@@ -83,7 +83,9 @@ def initVCS(x,levs1,levs2,split):
     t2                  = Ez.get(legend="local")
     t3                  = Ez.get(legend="local")
 
-    return iso1,iso2,title,t1,t2,t3
+    del(Ez) ; # Purge EzTemplate object
+
+    return iso1,iso2,title,t1,t2,t3,tmpl
 
 
 #%% Create input file list
@@ -199,7 +201,7 @@ def initVCS(x,levs1,levs2,split):
                 #print 'old:',varNameRead.ljust(9),s2.getTime().asComponentTime()
                 s2                          = f2(varNameRead,slice(m,m+1))
                 diff                        = s2-s1
-                iso1,iso2,title,t1,t2,t3    = initVCS(x,levs1,levs2,split)
+                iso1,iso2,title,t1,t2,t3,tmpl = initVCS(x,levs1,levs2,split)
                 title.string                = '%i-%.2i' % (y,m+1)
                 x.plot(title,bg=bg)
                 x.plot(s1,t1,iso1,bg=bg); #,ratio="autot"); #,vtk_backend_grid=g)
@@ -242,6 +244,7 @@ def initVCS(x,levs1,levs2,split):
                 vcs.removeobject(t1)
                 vcs.removeobject(t2)
                 vcs.removeobject(t3)
+                vcs.removeobject(tmpl)
                 endTime                 = time.time()
                 timeStr                 = 'Time: %06.3f secs;' % (endTime-startTime)
                 memStr                  = 'Max mem: %05.3f GB' % (np.float32(resource.getrusage(resource.RUSAGE_SELF).ru_maxrss)/1.e6)
@@ -259,6 +262,7 @@ def initVCS(x,levs1,levs2,split):
             #f1.close()
             f2.close()
             gc.collect() ; # Attempt to force a memory flush
+        x.backend.renWin = None ; # @danlipsa fix UV-CDAT/vcs#237
         x.close()
         f1.close()
         outMP4File = os.path.join('pngs',''.join(['AMIPBCS_newVsOld_',varNameRead,'.mp4']))
@@ -277,4 +281,4 @@ def initVCS(x,levs1,levs2,split):
 diff = [New(t,y,x)-Old(t,y,x)]
 max = abs(diff(y,x))
 rms = sum(diff(t,y,x)^2)/n(t)
-'''
+'''