Hi Ray,
Not good enough. I tried that with Preview, ImageJ, and the few others, but when you wanted the eliminate the grayscale the image contrast went out the window.
My recent thinking is to bring the normal png into Inkscape as a layer and draw over it like in older time with white translucent tracing paper over a normal paper drawing. It will be a pain, but I see no other easier alternatives.
Well, the FreeCad import reported the following warnings :
Warning: Token ‘DOT’ defined, but not used
Warning: Token ‘WORD’ defined, but not used
Warning: There are 2 unused tokens
When in OpeSCAD I do an F5 renderings, there is no warning. But when I do an F6 rendering, then I get this warning: WARNING: Object may not be a valid 2-manifold and may need repair!
Question is what is the technique to debug these kind of warnings. Would be nice to through a line number or God forbid the offending source code into the warning.
Thanks a lot,
Infocean
On 03/04/2021 05:18, infocean via Discuss wrote:
I am working on a rotating machine and to able to make black and white images for a patent application I am trying to open it in FreeCad and use its TechDraw Workbench.
That happens, post on their forum at your peril. XD. If you just want black and white images, is it good enough to paste your png's into Irfan vierwe, say, and play with the colour depth?
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