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Huge elements on load of gbr file

Open msamblanet opened this issue 8 years ago • 2 comments

So trying to use visolate for the first time - Have a board I designed in kicad, reworked so it does not use a ground plane (to work around that issue for now), and loaded it into visolate 3.1.1

But when I load the file, all the elements are huge and overlapping each other. The file appears fine in GerbView 4.0.6 and loads fine in some other tools I've tried also.

Hopefully I'm just doing something silly...

GRB file: https://drive.google.com/file/d/0B_tI4K3x6U3_ZGJaZmF3cnU4T0E/view?usp=sharing

Screen shots of visolate and GRBView: https://docs.google.com/document/d/18rx4XHdTZHVQnV2tDGZXEY3t52iMsSDvY6d8GqSaxg0/edit?usp=sharing

msamblanet avatar Jul 23 '17 14:07 msamblanet

Same here. Tracks widths are huge.

micsche avatar Mar 14 '20 14:03 micsche

Yes, well, your Gerber file is almost certainly in metric (MOMM instead of MOIN at the beginning), and by looking at the code apparently Visolate is perfectly capable of handling metric data - just not when it's in the aperture (track width) descriptions. Hence all your tracks are painted 25.4 times thicker with the observed results. It can be kludge-fixed by manually editing your file and dividing the number(s) after the comma on each line beginning with "%ADDxxx," by 25.4. The result will be a thoroughly invalid Gerber file but Visolate will love it. Or, of course, if you can, you can try exporting your Gerber file in inches and it should work.

blinkenlight avatar Aug 22 '20 18:08 blinkenlight