Constructor
VipsImagemask_gaussian_ring
Declaration [src]
int
vips_mask_gaussian_ring (
VipsImage** out,
int width,
int height,
double frequency_cutoff,
double amplitude_cutoff,
double ringwidth,
...
)
Description [src]
Make a gaussian ring-pass or ring-reject filter, that is, one with a
variable, smooth transition positioned at frequency_cutoff of width
ringwidth.
Optional arguments
nodc: %gboolean, don’t set the DC pixelreject: %gboolean, invert the filter senseoptical: %gboolean, coordinates in optical spaceuchar: %gboolean, output a uchar image
See also
This constructor is not directly available to language bindings.
Parameters
out-
Type:
VipsImageOutput image.
The argument will be set by the function. The caller of the function takes ownership of the returned data, and is responsible for freeing it. width-
Type:
intImage size.
height-
Type:
intImage size.
frequency_cutoff-
Type:
doubleFrequency threshold.
amplitude_cutoff-
Type:
doubleAmplitude threshold.
ringwidth-
Type:
doubleRingwidth.
...-
Type:
NULL-terminated list of optional named arguments.