Thanks Greg, I'll have a go.
Regards,
George
On 13 July 2011 04:11, Greg Landrum <greg.land...@gmail.com> wrote:
> George,
>
> On Tue, Jul 12, 2011 at 6:54 PM, George Papadatos <gpapada...@gmail.com>
> wrote:
> > On a related topic, is it possible to depict an arbitrary string on a
> cairo
> > canvas? I am thinking particularly depicting the name or ID of a molecule
> > below its structure.
>
> It's not there at the moment, but it's definitely possible. The
> process would be similar to what I proposed to Peter. The additional
> piece of information you'd need is that the MolDrawing instance also
> has a boundingBoxes data member that is keyed by the molecule. You
> could do something like this:
>
> from rdkit.Chem.Draw.MolDrawing import Font
> bbox = drawer.boundingBoxes[mol]
> pos = (bbox[2]-bbox[0])/2,bbox[3]
> font=Font(face='sans',size=12)
> canvas.addCanvasText(legend,pos,font)
>
> (you'll almost definitely have to experiment a bit to get the text
> placed correctly)
>
> -greg
>
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