createhelix - create a helix filter
aa=createhelix(nd,center,gap,na)
integer(:)
size of data
integer(:)
location of the 1 of the filter within na box
integer(:)
distance along each axis before filter coef
integer(:)
size of box around filter
type(filter)
Helix filter
Create helix filter
the createnhelix manpage,the helix manpage,the createmshelix manpage
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