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diff --git a/math/iminterp/doc/msiinit.hlp b/math/iminterp/doc/msiinit.hlp new file mode 100644 index 00000000..68dba684 --- /dev/null +++ b/math/iminterp/doc/msiinit.hlp @@ -0,0 +1,41 @@ +.help msiinit Dec98 "Image Interpolation Package" +.ih +NAME +msiinit -- initialize the sequential interpolant descriptor +.ih +SYNOPSIS +include <math/iminterp.h> + +msiinit (msi, interp_type) + +.nf + pointer msi #U interpolant descriptor + int interp_type #I interpolant type +.fi +.ih +ARGUMENTS +.ls msi +Pointer to the sequential interpolant descriptor. +.le +.ls interp_type +Interpolant type. The options are II_BINEAREST, II_BILINEAR, II_BIPOLY3, +II_BIPOLY5, II_BISPLINE3, II_BISINC, II_BILSINC, and II_BIDRIZZLE, for +nearest neighbour, bilinear, 3rd and 5th order interior polynomials, bicubic +spline, sinc, look-up table sinc, and drizzle respectively. The interpolant +definitions are found in the package header file math/iminterp.h. +.le +.ih +DESCRIPTION +The interpolant type is allocated and initialized. The pointer msi is +returned by MSIINIT. The sinc interpolant width defaults to 31 pixels +in x and y. The look-up table sinc resolution defaults to 20 resolution +elements or 0.05 pixels in x and y. The drizzle pixel fraction defaults +to 1.0. +.ih +NOTES +MSIINIT, MSISINIT or MSIRESTORE must be called before using any other +MSI routines. +.ih +SEE ALSO +msirestore, msifree +.endhelp |