NeatImage 4.0 calibration target

taob · Post by **taob** » Mon Apr 05, 2004 12:56 am

Is there a reason why the on-screen calibration target in 4.0 shows green and magenta patches, whereas the BMP file version is greyscale? This is what I see on my monitor:

This is what the BMP file looks like:

taob · Post by **taob** » Mon Apr 05, 2004 1:06 am

BTW, I am running the latest 4.0 build (after the EXIF and profile matching bugs were fixed earlier today).

Post by **NITeam** » Mon Apr 05, 2004 1:30 am

The reason is actually quite simple - saving the color ink of the printer.

taob · Post by **taob** » Mon Apr 05, 2004 2:40 am

Ah. heheh.

Actually, I've found that colour inkjet printers will still use all available inks, even when printing greyscale images (unless you have a specific mode in your printer driver to only use the black ink). Anyway, I wasn't sure if the magenta and green was intentional.

Is there any advantage to use the colour patches instead of just the grey ones?

Post by **NITeam** » Mon Apr 05, 2004 3:25 am

Yes, there may be some advantage, in some cases. Color patches may produce a more realistic noise pattern with certain digital cameras and resulting noise profiles could be a bit more accurate in such cases.

Trevor Morris · Post by **Trevor Morris** » Mon Apr 05, 2004 8:30 pm

Where do you get the color target from? I can only seem to find the black and white one.

Post by **NITeam** » Mon Apr 05, 2004 9:18 pm

See this section of the user guide.

Trevor Morris · Post by **Trevor Morris** » Mon Apr 05, 2004 9:28 pm

Ahh, it's rendered by the program; it's not downloadable

Thanks.