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A current project involves a geometric, fairly black poster face. When printing waterfall specimens, it seems that the overshoot becomes increasingly inadequate at larger sizes. When I get it too look right at 1-2 inch height, it then looks over-overshot at .33 -.75 sizes. Is this just a nature of typefaces intended for larger sizes? Does weight play a factor I hadn't anticipated? I'm curious to hear what others have observed. If anyone here has developed different optical sizes, did they overshoot them each uniquely? How?
Oddly, the overshoot, or lack of, seems to matter least, at .25 inch and smaller. This only seems to be true on paper, so it may be a printing artifact. Due to the geometric nature, I expected this to be truer at larger sizes, not the reverse.
24 Sep 2007 — 8:11am
Overshoot with perfect circle O is trickier than overshoot with a more flat bottom O. You are trying to ballance the perceived mass and distance of that mass from neighboring glyphs. It may be more an issue of font metricks. Try your problematic sizes with tighter and looser sidebearings and see what happens.
ChrisL
24 Sep 2007 — 8:34am
There is indeed a purely circular arc on the O (and such). At this point the sidebearings are equal to the counter width. I hadn't considered mass vs. distance. I know we are referring to a perceived "mass", but I wonder if it isn't just like physical engineering where linear dimensions and mass don't scale together. If so, there may be no solution for under and over 1" usage? I will experiment with it a bit to see how metrics alter things.
24 Sep 2007 — 8:48am
Think of mass having gravitation in the opposite direction. The large mass of straight sided glyphs like H repells and needs more sidebearing. The small mass of circular O sides needs less sidebearing. It is kinda' like balancing a heavy weight on a teeter board with a light weight by extending the fulcrun of the small wiegt to ballance.
ChrisL
26 Sep 2007 — 9:46pm
Would you say to adjust the sidebearings prior to the overshooting?
27 Sep 2007 — 8:09am
Choz, it is a ying and yang thing to me. I just go back and forth with a few key glyphs in a test word until the thing binds itself together. There is nothing absolute enough about type design for me to be able to set up a step-by-step procedure. Everything stays plastic and nothing is imune from change until it lets you know by seeing. Of course, that may be why I never get anything finished :-)
ChrisL