Merge pull request #1039 from UV-CDAT/issue_1008_invalid_time_units

Fix #1008

Author: aashish24

Packages/vcs/Lib/VTKPlots.py

@@ -1249,6 +1249,7 @@ def renderTemplate(self,tmpl,data,gm,taxis,zaxis):
               self.canvas.display_names.remove(d.name)
               del(vcs.elements["display"][d.name])
     if taxis is not None:
+      try:
         tstr = str(cdtime.reltime(taxis[0],taxis.units).tocomp(taxis.getCalendar()))
         #ok we have a time axis let's display the time
         crdate = vcs2vtk.applyAttributesFromVCStmpl(tmpl,"crdate")
@@ -1280,7 +1281,10 @@ def renderTemplate(self,tmpl,data,gm,taxis,zaxis):
         del(vcs.elements["texttable"][tt.name])
         del(vcs.elements["textorientation"][to.name])
         del(vcs.elements["textcombined"][crtime.name])
+      except:
+          pass
     if zaxis is not None:
+      try:
         # ok we have a zaxis to draw
         zname = vcs2vtk.applyAttributesFromVCStmpl(tmpl,"zname")
         zname.string=zaxis.id
@@ -1324,6 +1328,8 @@ def renderTemplate(self,tmpl,data,gm,taxis,zaxis):
         del(vcs.elements["texttable"][tt.name])
         del(vcs.elements["textorientation"][to.name])
         del(vcs.elements["textcombined"][zvalue.name])
+      except:
+          pass
     return returned
 
 

testing/vcs/CMakeLists.txt

@@ -248,6 +248,10 @@ add_test(vcs_test_taylor_2_quads
 
   # These test actually plot things need sample data
   if (CDAT_DOWNLOAD_SAMPLE_DATA)
+    add_test(vcs_test_bad_time_units
+      "${PYTHON_EXECUTABLE}"
+      ${cdat_SOURCE_DIR}/testing/vcs/test_vcs_bad_time_units.py
+      )
     add_test(vcs_test_plot_file_varible
       "${PYTHON_EXECUTABLE}"
       ${cdat_SOURCE_DIR}/testing/vcs/test_vcs_plot_file_var.py

testing/vcs/test_vcs_bad_time_units.py

@@ -0,0 +1,8 @@
+import cdms2,vcs
+import os,sys
+
+f=cdms2.open(os.path.join(sys.prefix,"sample_data","clt.nc"))
+s=f("clt",slice(0,1))
+s.getTime().units="XXX-))rvv"
+x=vcs.init()
+x.plot(s,bg=1)