Update IPTS-21442/vts_to_vti.py

IPTS-21442/vts_to_vti.py

+import glob
+from paraview.simple import *
+
+filenames = glob.glob('*.vts')
+for filename in filenames:
+    vts = XMLStructuredGridReader(FileName=[filename])
+    Show(vts) # So it actually loads the data
+    _, x, _, y, _, z = vts.GetDataInformation().DataInformation.GetExtent()
+    print(x,y,z)
+    resampleToImage = ResampleToImage(Input=vts)
+    resampleToImage.SamplingDimensions = [x, y, z]
+    SaveData(filename.replace('vts','vti'), proxy=resampleToImage)