Mapping and Patching result have inanition

hi,i follow the example of An example: WSS and OSI along a branching vascular district from here:,i set params -longitudinalpatchsize 0.5 -circularpatches 12,but the result is strange,the surface have many inanition.can anyone tell me how to fix it?

You may need to smooth and resample the centerline.

thank you lassoan,i will try