Optionalalign_Optionalatom_Optionalatom_Optionalbond_OptionalcolorOptionalidOptionalmark_Optionalmark_OptionalscaleUniform diagram scale (1 = house size).
Optionalshade_Shade window high (default 1). Not inferred from data.
Optionalshade_Shade window low (default 0). Not inferred from data.
Optionalstar_Labels for * atoms in layout encounter order.
null / "*" → bare star glyph; other strings (e.g. R1) replace it.
When omitted, CXSMILES |$alias;…$| trailers are applied by atom
index (parity with Python cx_atom_labels / native backend).
OptionalweightInk weight relative to house size (1 = default). Min 2/3 (Regular
stem); typical thicken up to ~2.
Pairs
[queryAtom, templateAtom]. Requiresalign_to; skips MCS.