Exemplo n.º 1
0
def render_graph_color(graph_object,filename_str):
	import pydot

	node_list, adjacency_matrix = graph_object.labels, graph_object.adjacency_matrix

	if not (adjacency_matrix.shape[0] == adjacency_matrix.shape[1]):
		raise Exception("adjacency matrix should be square")
	
	if not (len(node_list) == adjacency_matrix.shape[0]):
		raise Exception("number of nodes is inconsistent with the number of available node labels")
			 
	if is_directed(adjacency_matrix):
		graph = pydot.Dot(graph_type='digraph')
	else:
		graph = pydot.Dot(graph_type='graph')
		
	nodes_dot=[]

	for n in node_list:
		tmp = pydot.Node(n)
		nodes_dot.append(tmp)
		graph.add_node(tmp)

	for (i,j) in get_indices(adjacency_matrix):
				graph.add_edge(pydot.Edge(nodes_dot[i], nodes_dot[j], label=graph_object.property_str, labelfontcolor="#009933", fontsize="10.0", color=graph_object.edge_color))
	
	name =  "%s.png" % filename_str
	graph.write_png(name)
Exemplo n.º 2
0
def create_graph(nodes_list, adjacency_matrix, label_str = ""):

	if not (adjacency_matrix.shape[0] == adjacency_matrix.shape[1]):
		raise Exception("adjacency matrix should be square")
	
	if not (len(nodes_list) == adjacency_matrix.shape[0]):
		raise Exception("number of nodes is inconsistent with the number of available node labels")
	
	if is_directed(adjacency_matrix):
		gr = digraph()
	else:
		gr = graph()
		adjacency_matrix = np.triu(adjacency_matrix)
		
	gr.add_nodes(nodes_list)

	for (x,y) in get_indices(adjacency_matrix):
		gr.add_edge((nodes_list[x],nodes_list[y]),label = label_str)
		
	return gr
Exemplo n.º 3
0
def render_multi_prop_graph(multi_prop_graph,filename_str):
		
	node_list, adjacency_matrix = multi_prop_graph.labels, multi_prop_graph.adjacency_matrix

	if not (adjacency_matrix.shape[0] == adjacency_matrix.shape[1]):
		raise Exception("adjacency matrix should be square")
	
	if not (len(node_list) == adjacency_matrix.shape[0]):
		raise Exception("number of nodes is inconsistent with the number of available node labels")
			 
	if is_directed(adjacency_matrix):
		graph = pydot.Dot(graph_type='digraph')
		direction = 'forward'
	else:
		graph = pydot.Dot(graph_type='graph',compound='true',mindist='0',ranksep='0',nodesep='0')
		direction = 'none'
	
	nodes_dot=[]

	for n in node_list:
		tmp = pydot.Node(n)
		nodes_dot.append(tmp)
		graph.add_node(tmp)

	y = deepcopy(adjacency_matrix)


	for (i,j) in get_indices(y):
		if y[i][j] == 1:
			if y[j][i] ==1:
				y[j][i] =0
				direction = 'none'
			graph.add_edge(pydot.Edge(nodes_dot[i], nodes_dot[j], label=multi_prop_graph.property_str, labelfontcolor="#009933", fontsize="10.0", dir=direction,color=multi_prop_graph.edge_colormap[node_list[i],node_list[j]]))
		if is_directed(adjacency_matrix) :
			direction = 'forward'
			
	name =  "%s.png" % filename_str
	
	#graph = add_legend(graph, property_colormap)
	graph.write_png(name)