Choosing a Filter menu
item opens a modal dialog that lets you change settings with sliders
and (for Blur) radio buttons. Each dialog has a Preview switch that’s
on by default so you can view the effect immediately on the painted
Opens a dialog that lets you
specify the amount and direction of blur to apply to the layer.
- BlurThe amount
of blurring to apply.
equally in all directions.
Applies a sharpening effect
by adjusting the contrast between pixels at edges in the image.
degree of sharpening applied.
- RadiusThe distance
from each affected pixel within which neighboring pixels are affected
by the sharpening.
contrast at edge pixels required for sharpening to occur. At higher
values, less sharpening is applied.
- Find Edges
Emphasizes edges and de-emphasizes
color and midtones. The output tends to resemble a sketch with black
ink on white paper.
contrast at edge pixels required for edge detection to occur. At higher
values, fewer midtones appear.
contrast at edges for detection to occur. At higher values, fewer
Reduces image noise without
distance within which noise reduction occurs. Lower values tend
to be more effective.
Converts a color image
lower values, pixels tend to become white, while
a blurring or averaging effect.
values produce high-contrast output, while higher values tend toward
- High Pass
Emphasizes edges near sharp
color transitions and de-emphasizes the remainder of the image.
This can be useful for preserving image detail before using the Threshold
filter (see preceding).
area in which the filter looks for color contrast. The higher this
value, the less filtration is performed.
Adds “wavy” distortion to
distance pixels move along the distorting waveforms.
- ScaleThe relative
size of the distorting waveforms.
number of times the distortion is applied to the image.
- PhaseThe relative
position of the distorting waveforms.