In general, you should specify the ‘cvt’ values for heights before specifying ‘cvt’ values for links and interpolates in the Y direction. You’ll anchor the height of this Times New Roman “O.” In this example, Anchors is selected and Links And Dists de-selected in the Visual TrueType menu:
The “O” with anchors.
Only the two Y anchors have highway signs. The signs are blank because the ‘cvt’ values for heights don’t come with a ‘cvt’ attribute, which the computer needs to determine which height a ‘cvt’ value refers to. You must enter the ‘cvt’ value.
For this example, the top anchor refers to ‘cvt’ entry 3 and the bottom anchor to ‘cvt’ entry 9, even though these entries specify only the overshoots (31 and -31, respectively), not the actual heights (1536 and 0). The computer knows how to handle this because the first ‘cvt’ entries are reserved for the heights.
The “O” with anchors and ‘cvt’ values.
For the “H,” the ‘cvt’ entries would be 2 and 8 instead, because the glyph has no overshoots. This solves the alignment problem.
The aligned “HO” at 15, 14, and 13 points and 96 dpi.