twoD case in ldic for saving tiffs

scripts/spam-ldic

@@ -347,7 +347,7 @@ for im2number in range(1, len(args.inFiles)):
                             #header=TSVheader)
 
     if args.TIFF:
-        if nodesDim[0] != 1:
+        if not twoD:
             tifffile.imsave(args.OUT_DIR+"/"+args.PREFIX+"-ldic-Zdisp.tif",              PhiField[:, 0, -1].astype('<f4').reshape(nodesDim))
             #if args.REGSUB:
                 #tifffile.imsave(args.OUT_DIR+"/"+args.PREFIX+"-Zdisp-regsub.tif",   PhiFieldMinusRigid[:, 0, -1].astype('<f4').reshape(nodesDim))