Glyphs Export.py export problem

Hi, I would like to use Glyphs app to update a font which was made using Fontlab so I decided to export using the Glyphs Export python script and the result is really bad. Can I fix this somehow?

Original
Exported

Thanks

You need to convert the outlines from TrueType to PostScript in Fontlab before you export.

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Who know, knows :smile: Thanks!

It is possible to maintain the exact original font metadata from frontlab files to the glyphs files when using export.py?

Which meta data are you missing in the resulting Glyphs file?

I don’t know exactly but I know it is different since the exported otf from glyphs didnt match when it is called from an app for it use.

for example when adding fonts like this on an ios project:

UILabel *label = [[UILabel alloc] initWithFrame:CGRectMake(0, 0, self.view.frame.size.width, 60)];
label.textAlignment = NSTextAlignmentCenter;
label.text = @“Using Custom Fonts”;
label.font = [UIFont fontWithName:@“AwesomefontEVER-Titling” size:20];

What did not match? The name?

The way the fonts are exported are quite different. The biggest difference are probably the vertical metrics. You can control them with custom parameters: https://www.glyphsapp.com/tutorials/vertical-metrics
But the name should be easy to set properly. Just add the proper Family name in Font Info > Font and the style name in Instances.

Should be something about VM, is there any way to copy the exact same data from one to other? thanks

What do you mean by VM?

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Vertical Metrics?
Read this: https://www.glyphsapp.com/tutorials/vertical-metrics/

Best guess is to analyse the OT table in OTMaster, then replicate the settings with the custom parameters.

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