User Guide

CHAPTER 13. FILTERS 137
13.78 Hot
Overview
The Hot filter scans an image for pixels with RBG values that will give unsafe values
of chrominance signal or composite signal amplitude when encoded into an NTSC or
PAL color signal.
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This tends to happen for certain high intensity, high saturation colors that
are rare in real scenes, but can be easily found in synthetic images.
Hot Options
Hot Settings
Create New Layer This option will force the creation of a new layer containing the Hot
adjustment if it is checked. If it is not, then the information will be rendered directly
onto the image.
Mode The two available options here pertain to the output format for the pixel scan.
Action There are three available options in this area.
• Reduce Luminance: Reduce the intensity of the pixels while leaving the hue
and saturation unmodified.
• Reduce Saturation: Reduce the saturation of the pixels while leaving the
hue and saturation unmodified.
• Blacken: Blackens the pixels.
13.79 HRZ
Overview
THE GIMP can read and write to the HRZ format. The HRZ format used to be used
in amateur slow-scan television broadcasts. The images are always 256x240 pixels and
are uncompressed.
13.80 IFS Compose
Our apologies
Sorry, but the help page for this item is not written yet. Can I help?
Yes you can! Please send a message to [e-mail] with ifscompose as the
subject line. Feel free to also include documentation related suggestions or fix requests.
13.81 Illusion
Our apologies
Sorry, but the help page for this item is not written yet. Can I help?
Yes you can! Please send a message to [e-mail] with illusion as the
subject line. Feel free to also include documentation related suggestions or fix requests.