I found a solution for my problem. Ghostscript meant to much scripting and I didn't find the right way for building gs- and batch- or perl-scripts doing what I wanted in an acceptable amount of time. But I looked deeper into the Preflight-options in Acrobat and discovered a way to keep the grey colo...

Thank you! This helped a little. When converting PDFs to greyscale via Preflight in Acrobat, the colors get shifted too much, e.g. in Inkscape a plane is filled with 55% black, after Preflight it is 69%. With the Ghostscript script (...) you led me to, the changes are much smaller, e.g. from 55% to ...

Hello! Is there a way to keep the "greyness" of grey objects when saving as pdf? All objects are made of three-color-grey when analysing the pdf in Acrobat. Embedding a color profile in Inkscape makes no difference. These objects should only contain plain grey color, when no "colorful...

Perfect! Thx.

Is there a way to change the orientation of the path markings (like SquareM etc.)? I have to rework an excel diagram and because of the lack of the original data I can't rebuild it in excel itself. See my problem: Zwischenablage02.jpg The orientation of the square markings follows the curving of the...