Hi again,
Thank you for the detailed description. I have found the part of the
code that I need to change. It is the variable pi4 in
get_label_position() what I needed to make smaller.
Best,
Jose
On 21/12/2016 10:22, Tamas Nepusz wrote:
Hi,
Edge drawing is implemented in specialized edge drawer classes in
igraph/drawing/edge.py. They all derive from an abstract base class
called AbstractEdgeDrawer, which defines a function named
get_label_position() that returns the position of the label for an
edge. The default edge drawer used by igraph is called ArrowEdgeDrawer.
You can therefore simply implement a new class derived from
ArrowEdgeDrawer, override its get_label_position() method, and then
use this custom edge drawer when plotting the graph as follows:
from igraph.drawing.edge import ArrowEdgeDrawer
from igraph.drawing.graph import DefaultGraphDrawer
from functools import partial
class CustomEdgeDrawer(ArrowEdgeDrawer):
# do your magic here
pass
my_drawer = partial(DefaultGraphDrawer,
edge_drawer_factory=CustomEdgeDrawer)
plot(graph, drawer_factory=my_drawer)
(Haven't tested it, but it should work).
All the best,
T.
On Wed, Dec 21, 2016 at 10:03 AM, José Juan Almagro Armenteros
<[email protected] <mailto:[email protected]>> wrote:
Hello,
Thank you for the info. Could you indicate which function defines
the position of the edge labels? At least I would like to change
the default positions for all the labels.
Best,
Jose
On 20/12/2016 21:10, Tamas Nepusz wrote:
Hi,
Unfortunately it is not possible to change the position of edge
labels with the current plotting engine.
All the best,
T.
On Tue, Dec 20, 2016 at 6:23 PM, José Juan Almagro Armenteros
<[email protected] <mailto:[email protected]>> wrote:
Hello,
I have just started using this packages and I have generated
a nice tree plot. However, I haven't been able to change the
position of the edge labels and there is no documentation
about it. Do you know how could I do this?
Best,
Jose
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