Is there some trick needed to get graphviz's HTML labels working from graph-tool ?
I've been making some nice svg plots from graph-tool setting the label/shape/URL/tooltip vertex properties, but now I want to be able to have multiple URL links from each node and HTML labels seem the obvious way to do this.
I have an idea it ought to be as simple as setting the label strings to something like (simple test case) <<TABLE><TR><TD>left</TD><TD>right</TD></TR></TABLE>> (and this seems to work as expected used in a .dot file) but setting the same thing from graph-tool just gets me the the formatting reproduced verbatim (extra '<' '>'s included) in the graph labels. Is some sort of escaping needed (or do I need to bypass some escaping graph-tool is doing) ?
Thanks for any help Tim
Using graph-tool 2.2.15-1 & graphviz 2.26.3-5 on Debian squeeze.
Hi Tim,
On 09/24/2011 05:52 PM, Tim Day wrote:
Is there some trick needed to get graphviz's HTML labels working from graph-tool ?
I haven't used HTML labels before, so I had not noticed this problem. Unfortunately, the graphviz library API is not clear at all on how to specify that a string is HTML or plain...
I'll take a closer look to see if I figure it out. In the mean time, you could also post a message in the graphviz mailing list, asking them how to do this from the library API, instead of .dot files.
Cheers, Tiago
On 09/26/2011 12:21 AM, Tiago de Paula Peixoto wrote:
Hi Tim,
On 09/24/2011 05:52 PM, Tim Day wrote:
Is there some trick needed to get graphviz's HTML labels working from graph-tool ?
I haven't used HTML labels before, so I had not noticed this problem. Unfortunately, the graphviz library API is not clear at all on how to specify that a string is HTML or plain...
I'll take a closer look to see if I figure it out. In the mean time, you could also post a message in the graphviz mailing list, asking them how to do this from the library API, instead of .dot files.
Nevermind, it seems I just figured it out... HTML-like labels are now working in the current git version of graph-tool. Strings in the form "<...>" are now automatically converted.
Cheers, Tiago
Tiago de Paula Peixoto wrote:
...how to do this from the library API, instead of .dot files...
I have to admit I didn't even realize there was a graphviz library which could be called directly; I'd always assumed graph-tool must be invoking dot, neato etc via popen or similar!
HTML-like labels are now working in the current git version of graph-tool. Strings in the form "<...>" are now automatically converted.
Thanks! Tim
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Tiago de Paula Peixoto -
Tim Day