Synchronizing masters FL7

Vasil StanevVasil Stanev Posts: 534
edited June 17 in Technique and Theory
Hi all,
I am trying to synchronize masters as I did in Glyphs and I can't for the love of me understand how to do it; I have given up. 
I set a simple weight axis, added two masters on it, from there I have no idea what to do. The guide on the site is very complicated and the video on the FL channel has no audio?? Please help.

Comments

  • André SimardAndré Simard Posts: 158
    What do you mean by “synchronize masters”?

  • Vasil StanevVasil Stanev Posts: 534
    What do you mean by “synchronize masters”?

    In Glyphs, I had to open both masters in the same cell and make sure there are the same number of anchors. The glyphs would turn green when this was done. I assumed by analogy that that's how it works in FL7 too. I haven't made variable fonts yet so I have a ard time understanding how it works in the new FL version :)

  • John HudsonJohn Hudson Posts: 1,851
    Yes, it is similar in FL7, but it is the background colour in the Layers & Masters panel that indicates whether the outlines are compatible. It is useful to also have the Variations panel open where a background preview shows the actual interpolation. It is sometimes possible for two outlines to be technically compatible but actually not have correctly align start points, resulting in some exciting interpolations.

    I usually just step between incompatible entries in the Layers & Masters panel and that's enough for me to spot where the incompatibility is. There is also a way to view masters together, and an option to visualise steps of interpolation between them, which is a good way to see if there are problems and what those problems are, but embarrassingly I can't remember how to do it and the UI has not revealed its secrets to me today.

    There is also the Match Masters tool in the Glyph menu (also a button at the bottom of the Layers & Masters panel), which does a pretty good job automatically making outlines compatible by relocating start points but may also insert points and can make mistakes, so use with caution and always check results.
  • André SimardAndré Simard Posts: 158
    Go to see you private message.
  • Igor FreibergerIgor Freiberger Posts: 160
    edited June 18
    Under the wood, FontLab 7 is always checking masters for compatibility. Keep the Layers & Masters panel open to see their status. Selected master has blue background. Compatible masters are green, not compatible are red.

    To be compatible, the glyph needs same number of nodes, same direction, and same start point among the masters.

    Let's say you duplicated a Regular master to create a Bold one. If you just move nodes and handles to change the glyph into a bolder draw, they will remain compatible. But if you add a node in Bold, you need to add a "mirror" node in Regular.

    In most cases, this is not a problem. But complex glyphs or extremes masters may ask for additional nodes and adjusts.

    Of course, this is a basic introduction to a complex topic. Our documentation is being revised.
  • Thomas PhinneyThomas Phinney Posts: 1,857
    There is also “mostly-compatible,” which is a lighter shade of green. It indicates a glitch that still allows interpolation, but is probably undesirable. IIRC, things such as a slightly different startpoint can do this.
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