    state = gt.minimize_nested_blockmodel_dl(new_graph, deg_corr=True)

   pos = state.draw( output='2015_'+str(j+1)+'_nested.png',
                      output_size=(900, 900))[0]

   text_rot = new_graph.new_vertex_property('double')
   new_graph.vertex_properties['text_rot'] = text_rot

   for v in new_graph.vertices():

       if pos[v][0] >0:

           text_rot[v] = math.atan(pos[v][1]/pos[v][0])
       else:
            text_rot[v] = math.pi + math.atan(pos[v][1]/pos[v][0])

   state.draw( output='2015_'+str(j+1)+'_nested.png',
                      output_size=(900, 900),
                      vertex_text=v_prop,
                      vertex_size=v_size,
                      vertex_fill_color=b,
                      vertex_shape=shape,
                      vertex_font_size=12,
                      vertex_text_position=0,
                      vertex_text_rotation=new_graph.vertex_properties['text_rot'],
                      bg_color=[0,0,0,1])

My question is how to get the correct pos values for the vertices. Instead of this line:

pos = state.draw( output='2015_'+str(j+1)+'_nested.png',
output_size=(900, 900))[0]

From: Tiago Peixoto [via Main discussion list for the graph-tool project] <ml-node+[hidden email]>
Sent: Friday, November 4, 2016 1:29 PM
To: Lorenz, Philipp Gert Josef
Subject: Re: Vertex Position for plotting NestedBlockState

On 04.11.2016 12:23, philipplorenz wrote:
> I wanted to plot labels around the state.draw plot in a circular way. For
> this I need the position on the circle in order to calculate the angle.

If you use text_position="centered" this will be done automatically
(assuming I'm interpreting correctly).

> If I use the hierarchical tree layout, blocks are then switched in the
> plot and the angles are wrong.

Without a complete, self-contained example, it is hard to say what may be
happening.

Best,
Tiago

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Tiago de Paula Peixoto <[hidden email]>

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