Cyrus,
When you generate a PDF with the RDKit drawing code, it attempts to find
installed versions of cairo and aggdraw. If these both fail, then it uses
an old (and buggy) cross-platform drawing library called sping (which is
included with the RDKit). It looks like the problem you are having is d
So (now that I've gotten the basics working on MacOS) I have a little
python program that generates an image from a SMILES string:
#!/usr/bin/env python
import argparse, sys
from rdkit import Chem
from rdkit.Chem import AllChem
from rdkit.Chem import Draw
from rdkit.Chem.Draw.MolDrawing import Mo
