I want to get SVG image for some compound:
import cairo
from rdkit import Chem
import StringIO
from rdkit.Chem.Draw import cairoCanvas
imageData = StringIO.StringIO()
surf = cairo.SVGSurface(imageData,200,200)
ctx = cairo.Context(surf)
mol =
Chem.MolFromSmiles("O=C(O)C2N3C(=O)C(NC(=O)C(c1ccc(O)cc1)NC(=O)C(N)CC(=O)NC)C3SC2(C)C")
canv = cairoCanvas.Canvas(ctx=ctx, size=(200,200), imageType='svg')
Chem.Draw.MolToImage(mol, size=(200,200))
canv.flush()
surf.finish()
imageData.getvalue()
This produces:
'<?xml version="1.0" encoding="UTF-8"?>\n<svg xmlns="
http://www.w3.org/2000/svg"; xmlns:xlink="http://www.w3.org/1999/xlink";
width="200pt" height="200pt" viewBox="0 0 200 200" version="1.1">\n<g
id="surface1">\n</g>\n</svg>\n'
Which is empty svg image. Do you know why and what am I doing wrong?
Regards,
Michal Nowotka
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