Catmull–Clark subdivision surface: Difference between revisions

(→‎{{header|Tcl}}: Corrected point updating on edge of hole)
Line 142:
=={{header|J}}==
 
<lang j>havePointsavg=: e."1+/~ i.@% #
havePoints=: e."1/~ i.@#
catmullclark=:3 :0
'mesh points'=. y
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