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  1. Schnitzel

    i1Profiler - 7 Color Profile Contamination

    Hey everyone, I'm creating a 7-color ICC profile using X-rite's i1Profiler (1.7.1), and an i1Pro2. The colorants are CMYK + orange, green and blue. In some specific areas, especially deep blue colors, I'm getting very ugly transformations. For example: C87 M57 Y1 K8 O16 G7 B98. This is...
  2. Schnitzel

    Change Spot Color's Alternate Color Space

    Hey everyone, I have a spot color in a PDF with a CMYK alternate color space. I want to change its alternate color space to some CIELab values, and do this over the entire file. Can this be done using an action? Thanks for helping!
  3. Schnitzel

    Image of an autotype glass screen

    Hi everyone, I'm writing an educational presentation on screening, and I'd like to include information on the analog halftoning process. For the life of me, I couldn't find a picture of the glass screen used in olden days. If someone could post a close-up image of the screen (even from a...
  4. Schnitzel

    Color Math for Android

    Hi everyone, Just a small announcement - I've made a free utility application for the Android OS, called Color Math. It's a color conversion and difference (delta-E) calculator, including on-screen display of the compared colors. It's pretty basic at the moment, but I'm eager to improve it and...
  5. Schnitzel

    Losing mid-tone detail after black removal

    Hello everyone, I'm trying to remove the black channel from an image, for a special project which requires printing only in CMY. In Photoshop, under "Convert to Profile", I used the "Custom CMYK" profile: I measured with a spectro my HP Indigo's primaries and overprints, set the dot gain curves...

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