createnhelix - create non stationary helix filter
aa=createnhelix(nd,center,gap,na,patch)
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 arround filter
integer(:)
what model point a given filter will act on
type(nfilter)
Helix filter
Create a non-stationary helix filter
the createhelix manpage,the nhelix manpage,the createmshelix manpage
geef90