Added test

Author: doutriaux1

testing/vcs/CMakeLists.txt

@@ -253,6 +253,11 @@ cdat_add_test(vcs_test_taylor_2_quads
 
   # These test actually plot things need sample data
   if (CDAT_DOWNLOAD_SAMPLE_DATA)
+    cdat_add_test(test_vcs_isofill_mask_cell_shift
+      "${PYTHON_EXECUTABLE}"
+      ${cdat_SOURCE_DIR}/testing/vcs/test_vcs_isofill_mask_cell_shift.py
+      ${BASELINE_DIR}/test_vcs_isofill_mask_cell_shift.png
+      )
     cdat_add_test(vcs_test_bad_time_units
       "${PYTHON_EXECUTABLE}"
       ${cdat_SOURCE_DIR}/testing/vcs/test_vcs_bad_time_units.py

testing/vcs/test_vcs_isofill_mask_cell_shift.py

@@ -0,0 +1,24 @@
+import os,sys
+import MV2
+import vcs
+import cdms2
+src=sys.argv[1]
+pth = os.path.join(os.path.dirname(__file__),"..")
+sys.path.append(pth)
+import checkimage
+x=vcs.init()
+x.drawlogooff()
+
+x.setbgoutputdimensions(1200,1091,units="pixels")
+
+f=cdms2.open(os.path.join(sys.prefix,"sample_data","clt.nc"))
+s=f("clt",slice(0,1),latitude=(30,70),longitude=(-130,-60))
+s2=MV2.masked_greater(s,65.)
+
+x.plot(s2,"default","isofill",bg=1)
+fnm = "test_vcs_isofill_mask_cell_shift.png"
+x.png(fnm)
+print "fnm:",fnm
+print "src:",src
+ret = checkimage.check_result_image(fnm,src,checkimage.defaultThreshold)
+sys.exit(ret)