.TH IM_OPENOUT 3 "22 April 1991"
.SH NAME
im_partial \- makes a PIO intermediate image
.SH SYNOPSIS
.B #include <vips/vips.h>

.B IMAGE *im_partial(file_name)
.br
.B char *file_name;
.SH DESCRIPTION
.B im_partial(3)
returns a descriptor which can be used to join PIO image processing
operations together. 

This function is obsolete --- you should call im_open(3) instead.
.SH RETURN VALUE
The function returns a valid image descriptor on success and NULL on error.
.SH SEE ALSO
im_open(3), im_close(3), im_mmapin(3), im_intro(3).
.SH COPYRIGHT
.br
National Gallery, 1993
.SH AUTHOR
J.Cupitt \- 23/7/93