Try setting the pin properties of the vertices you want moved to False in your pin map.
Cheers, Charlie > On 23 Nov 2014, at 19:47, luistavares <[email protected]> wrote: > > Ok. > > After generating a long graph, I use linspace function to generate positions > for the main paths of the graph. So I fixed these positions using the pin > property. But after calling the function sfdp_layout all positions are > changed. Is this the expected behavior? I presented the results in the > previous post. Here is my relevant code: > > pin = g.new_vertex_property("bool") > pos = g.new_vertex_property("vector<double>") > v_c = g.new_vertex_property("double") > v_s = g.new_vertex_property("int") > > # I created a graph with 11000 nodes. > > # setting positions for the main path > position = np.linspace(0.0, 12.0, main_path_size) > for i,idx in enumerate(main_path_i): > pin[g.vertex(idx)] = True > pos[g.vertex(idx)] = (0, position[i]) > v_c[g.vertex(idx)] = 50 # color > v_s[g.vertex(idx)] = 10 # size > > # setting positions for the second main path > position = np.linspace(0.0, 12.0, sec_path_size) > for i,idx in enumerate(sec_path_i): > pin[g.vertex(idx)] = True > pos[g.vertex(idx)] = (position[i], 12.0) > v_c[g.vertex(idx)] = 250 # color > v_s[g.vertex(idx)] = 10 # size > > # setting positions for the thirmain path > position = np.linspace(0.0, 12.0, thi_path_size) > for i,idx in enumerate(thi_path_i): > pin[g.vertex(idx)] = True > pos[g.vertex(idx)] = (-position[i], 12.0) > v_c[g.vertex(idx)] = 350 # color > v_s[g.vertex(idx)] = 10 # size > > # calling the layout function > pos = gt.sfdp_layout(g, pin=pin, pos=pos) > > gt.graph_draw(g, pos, output_size=(1000, 1000), vertex_fill_color=v_c, > vertex_size=v_s, vcmap=mat.cm.jet, output='mxt.png', fmt='png') > > > > > > -- > View this message in context: > http://main-discussion-list-for-the-graph-tool-project.982480.n3.nabble.com/Fixing-position-of-root-vertex-tp4025773p4025886.html > Sent from the Main discussion list for the graph-tool project mailing list > archive at Nabble.com. > _______________________________________________ > graph-tool mailing list > [email protected] > http://lists.skewed.de/mailman/listinfo/graph-tool _______________________________________________ graph-tool mailing list [email protected] http://lists.skewed.de/mailman/listinfo/graph-tool
