Added test for vector plots using Robinson projection

testing/vcs/CMakeLists.txt

@@ -702,6 +702,11 @@ cdat_add_test(vcs_test_taylor_2_quads
         ${cdat_SOURCE_DIR}/testing/vcs/test_vcs_patterns.py
         "${BASELINE_DIR}/test_vcs_patterns.png"
         )
+      cdat_add_test(vcs_test_vectors_robinson
+        "${PYTHON_EXECUTABLE}"
+        ${cdat_SOURCE_DIR}/testing/vcs/test_vcs_vectors_robinson.py
+        "${BASELINE_DIR}/test_vcs_vectors_robinson.png"
+        )
     endif()
   endif()
 

testing/vcs/test_vcs_vectors_robinson.py

@@ -0,0 +1,24 @@
+import vcs, cdms2, numpy, os, sys
+src = sys.argv[1]
+pth = os.path.join(os.path.dirname(__file__),"..")
+sys.path.append(pth)
+import checkimage
+
+x = vcs.init()
+x = vcs.init()
+x.setantialiasing(0)
+x.drawlogooff()
+x.setbgoutputdimensions(1200,1091,units = "pixels")
+f = cdms2.open(os.path.join(vcs.sample_data,"clt.nc"))
+u = f("u")
+v = f("v")
+V = x.createvector()
+p = x.createprojection()
+p.type = "mercator"
+V.projection = p
+x.plot(u,v,V, bg = 1)
+
+fnm= "test_vcs_vectors_robinson.png"
+x.png(fnm)
+ret = checkimage.check_result_image(fnm,src,checkimage.defaultThreshold)
+sys.exit(ret)