def printMetrics(G):
    '''
        Set inital values before optimization
    '''

    global initial_st
    global all_pairs_sp
    global initial_cr
    global initial_ar
    global initial_asp
    # Do some preliminary stuff

    # Stress will be normalized considering the first value as max
    # To speed up ST precompute all pairs shortest paths
    initial_st = 1
    if compute_st:
        initial_st = stress.stress(G, all_sp=all_pairs_sp)
        print("ST:", initial_st, end=" - ")
        if all_pairs_sp is None:
            all_pairs_sp = nx.shortest_path(G)

    # To speed up NP precompute all pairs shortest paths
    if compute_np:
        if all_pairs_sp is None:
            all_pairs_sp = nx.shortest_path(G)
        initial_np = neighbors_preservation.compute_neig_preservation(
            G, all_sp=all_pairs_sp)
        print("NP:", initial_np, end=" - ")

    initial_sym = 0
    if compute_sym:
        initial_sym = ksymmetry.get_symmetric_score(G)
        print("Sym:", abs(initial_sym), end=" - ")

    initial_cr = 1
    if compute_cr:
        initial_cr = len(crossings.count_crossings(G))
        print("CR:", initial_cr, end=" - ")

    initial_ue = 0
    if compute_ue:
        initial_ue = uniformity_edge_length.uniformity_edge_length(G)
        print("UE:", initial_ue, end=" - ")

    initial_ar = 1
    if compute_ar:
        initial_ar = areafunctions.areaerror(G)
        print("AR:", initial_ar, end=" - ")

    initial_asp = 1
    if compute_asp:
        initial_asp = areafunctions.aspectRatioerror(G)
        print("ASP:", initial_asp, end=" - ")

    print("")

    return
Ejemplo n.º 2
0
def metrics_evaluator(X):
    '''
        Evaluates the metrics of the given layout and weights them
    '''
    global log
    global G
    global all_pairs_sp

    n = nx.number_of_nodes(G)

    #Reshape the 1D array to a n*2 matrix
    X = X.reshape((n, 2))
    return_val = 0.0

    G = writeSPXPositiontoNetworkXGraph(G, X)

    ue = 0
    if compute_ue:
        ue = uniformity_edge_length.uniformity_edge_length(G)
        if log % 100 == 0:
            print("UE:", ue, end=" - ")
        ue *= abs(compute_ue)

    st = 0
    if compute_st:
        st = stress.stress(G, all_sp=all_pairs_sp)
        if log % 100 == 0:
            print("ST:", st, end=" - ")
        st *= abs(compute_st) / initial_st

    sym = 0
    if compute_sym:
        sym = ksymmetry.get_symmetric_score(G)
        if log % 100 == 0:
            print("Sym:", abs(sym), end=" - ")
        sym = 1 - sym
        sym *= abs(compute_sym)

    np = 0
    if compute_np:
        np = neighbors_preservation.compute_neig_preservation(
            G, all_sp=all_pairs_sp)
        if log % 100 == 0:
            print("NP:", abs(np), end=" - ")
        np = 1 - np
        np *= abs(compute_np)

    cr = 0
    if compute_cr:
        cr = len(crossings.count_crossings(G))
        if log % 100 == 0:
            print("cr", cr, end="-")
        cr *= abs(compute_cr) / initial_cr

    return_val = ue + st + sym + np + cr
    if log % 100 == 0:
        print("ret", return_val)
        write_dot(G, 'output/' + graph_name + '_running.dot')

    log += 1

    return return_val
def metrics_evaluator(X, print_val=False):
    '''
        Evaluates the metrics of the given layout and weights them
    '''
    global G
    global all_pairs_sp
    # Add some additional global variables
    global OUTPUT_FOLDER
    global graph_name
    global cnvs, cnvs_size, cnvs_padding, draw_counter

    n = nx.number_of_nodes(G)

    #Reshape the 1D array to a n*2 matrix
    X = X.reshape((n, 2))
    return_val = 0.0

    G = writeSPXPositiontoNetworkXGraph(G, X)

    ue = 0
    ue_count = 0
    if compute_ue:
        ue = uniformity_edge_length.uniformity_edge_length(G)
        ue_count = ue
        # if log%100==0:
        # print("UE:", ue, end=" - ")
        ue *= abs(compute_ue)

    st = 0
    st_count = 0
    if compute_st:
        st = stress.stress(G, all_sp=all_pairs_sp)
        st_count = st
        # if log%100==0:
        # print("ST:", st, end=" - ")
        st *= abs(compute_st) / initial_st

    sym = 0
    sym_count = 0
    if compute_sym:
        G = scale_graph(G, 1000)
        sym = ksymmetry.get_symmetric_score(G)
        G = scale_graph(G, 1 / 1000)
        sym_count = sym
        # if log%100==0:
        # print("Sym:", abs(sym), end=" - ")
        sym = 1 - sym
        sym *= abs(compute_sym)

    np = 0
    np_count = 0
    if compute_np:
        np = neighbors_preservation.compute_neig_preservation(
            G, all_sp=all_pairs_sp)
        np_count = np
        np = 1 - np
        np *= abs(compute_np)

    cr = 0
    cr_count = 0
    if compute_cr:
        cr = len(crossings.count_crossings(G))
        cr_count = cr
        if not initial_cr == 0: cr *= abs(compute_cr) / initial_cr
        else: cr = 0

    ar = 0
    ar_count = 0
    if compute_ar:
        ar = areafunctions.areaerror(G)
        ar_count = ar
        ar = abs(ar - 1)
        ar *= abs(compute_ar) / initial_ar

    # Aspect ratio
    asp = 0
    asp_count = 0
    if compute_asp:
        asp = areafunctions.aspectRatioerror(G)
        asp_count = asp
        asp = abs(asp - 1)
        asp *= abs(compute_asp) / initial_asp

    return_val = ue + st + sym + np + cr + ar + asp

    if print_val:
        print("score: ", return_val)

    if mode == "GUI":
        if draw_counter % 100 == 0:
            min_x, min_y, max_x, max_y = 0, 0, 0, 0
            for currVStr in nx.nodes(G):
                currV = G.nodes[currVStr]
                x = float(currV['pos'].split(",")[0])
                y = float(currV['pos'].split(",")[1])
                min_x = min(min_x, x)
                max_x = max(max_x, x)
                min_y = min(min_y, y)
                max_y = max(max_y, y)
                currV['pos'] = str(x) + "," + str(y)

            cnvs.delete("all")
            scl = (cnvs_size - cnvs_padding) / (max(max_y - min_y,
                                                    max_x - min_x))
            tx = cnvs_padding / 2
            ty = cnvs_padding / 2
            pos_dict = nx.get_node_attributes(G, 'pos')
            for edge in nx.edges(G):
                (s, t) = edge
                x_source = float(pos_dict[s].split(",")[0])
                x_target = float(pos_dict[t].split(",")[0])
                y_source = float(pos_dict[s].split(",")[1])
                y_target = float(pos_dict[t].split(",")[1])
                cnvs.create_line((x_source - min_x) * scl + tx,
                                 (y_source - min_y) * scl + ty,
                                 (x_target - min_x) * scl + tx,
                                 (y_target - min_y) * scl + ty)
                print((x_source - min_x) * scl, (x_target - min_x) * scl,
                      (y_source - min_y) * scl, (y_target - min_y) * scl)
                cnvs.update()
        draw_counter += 1

    return return_val
Ejemplo n.º 4
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def metrics_evaluator(X, print_val=False):
    '''
        Evaluates the metrics of the given layout and weights them
    '''
    global G
    global all_pairs_sp
    global log

    n = nx.number_of_nodes(G)

    #Reshape the 1D array to a n*2 matrix
    X = X.reshape((n, 2))
    return_val = 0.0

    G = writeSPXPositiontoNetworkXGraph(G, X)

    ue = 0
    ue_count = 0
    if compute_ue:
        ue = uniformity_edge_length.uniformity_edge_length(G)
        ue_count = ue
        # if log%100==0:
        # print("UE:", ue, end=" - ")
        ue *= abs(compute_ue)

    st = 0
    st_count = 0
    if compute_st:
        st = stress.stress(G, all_sp=all_pairs_sp)
        st_count = st
        #        if log%100==0:
        #        print("ST:", st, end=" - ")
        st *= abs(compute_st) / initial_st

    sym = 0
    sym_count = 0
    if compute_sym:
        G = scale_graph(G, 1000)
        sym = ksymmetry.get_symmetric_score(G)
        G = scale_graph(G, 1 / 1000)
        sym_count = sym
        # if log%100==0:
        # print("Sym:", abs(sym), end=" - ")
        sym = 1 - sym
        sym *= abs(compute_sym)

    np = 0
    np_count = 0
    if compute_np:
        np = neighbors_preservation.compute_neig_preservation(
            G, all_sp=all_pairs_sp)
        np_count = np
        np = 1 - np
        np *= abs(compute_np)

    cr = 0
    cr_count = 0
    if compute_cr:
        cr = len(crossings.count_crossings(G))
        #        if log%100==0:
        #        print("CR:", abs(cr), end=" - ")
        cr_count = cr
        cr *= abs(compute_cr) / initial_cr

    ar = 0
    ar_count = 0
    if compute_ar:
        ar = areafunctions.areaerror(G)
        ar_count = ar
        ar = abs(ar - 1)
        ar *= abs(compute_ar) / initial_ar

    # Aspect ratio
    asp = 0
    asp_count = 0
    if compute_asp:
        asp = areafunctions.aspectRatioerror(G)
        asp_count = asp
        asp = abs(asp - 1)
        asp *= abs(compute_asp) / initial_asp

    nonintv = 0
    if compute_intcoo:
        nonintv = intcoord.nonintvalues(G)

    nonupward = 0
    if compute_upward:
        nonupward = intcoord.upwardness(G)

    nonoverlapping = 0
    if compute_nonoverlapping:
        nonoverlapping = intcoord.overlapping(G)

    upawardgrid = 0
    if compute_upwardgrid:
        upwardgrid = intcoord.upwardgrid(G)
        print("Grid:", upwardgrid, end=" - ")

    return_val = upawardgrid

    # return_val = ue+st+sym+np+cr+ar+asp+nonintv+nonupward+nonoverlapping

    if print_val:
        print("score: ", return_val)

    log += 1

    return return_val
Ejemplo n.º 5
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    output_txt += output_line + "\n"
    print(output_line)
    csv_head_line += "uniformity\_edge\_length&"
    csv_line += str(uniedgelen_val) + "&"

if st or all:
    stress_val = stress.stress(G, weighted=weighted, all_sp=all_pairs_sp)
    output_line = "ST: " + str(stress_val)
    output_txt += output_line + "\n"
    print(output_line)
    csv_head_line += "stress&"
    csv_line += str(stress_val) + "&"


if np or all:
    neigpres_val = neigpres.compute_neig_preservation(G, weighted=weighted, all_sp=all_pairs_sp)
    output_line = "NP: " + str(neigpres_val)
    output_txt += output_line + "\n"
    print(output_line)
    csv_head_line += "neighbors\_preservation&"
    csv_line += str(neigpres_val) + "&"

if lblbb or all:
    labelsBBRatio_val = labelsmeas.labelsBBRatio(G)
    output_line = "lblbb: " + str(labelsBBRatio_val)
    output_txt += output_line + "\n"
    print(output_line)
    csv_head_line += "boundingbox\_ratio\_to\_labels&"
    csv_line += str(labelsBBRatio_val) + "&"

if lblarea or all:
Ejemplo n.º 6
0
import neighbors_preservation as np

s_path = sys.argv[1]
g_path = sys.argv[2]
outputTxtFile = sys.argv[3]

input_file_name = os.path.basename(s_path)
graph_name = input_file_name.split(".")[0]

S = nx_read_dot(s_path)
G = nx_read_dot(g_path)
G = sorted(nx.connected_component_subgraphs(G), key=len, reverse=True)[0]

S_induced = nx.Graph(G.subgraph(S))

np_val_S = np.compute_neig_preservation(S)
np_val_SG = np.compute_neig_preservation(S, G)
np_val_SGI = np.compute_neig_preservation(S, S_induced)

output_txt = "Metrics for " + graph_name + "\n"
output_txt += "np_S:" + str(np_val_S) + "\n"
output_txt += "np_SG:" + str(np_val_SG) + "\n"
output_txt += "np_SGI:" + str(np_val_SGI) + "\n"

print(output_txt)

csv_head_line = "filename;np;np(induced);np(complete)\n"
csv_line = graph_name + ";" + str(np_val_S) + ";" + str(
    np_val_SGI) + ";" + str(np_val_SG) + "\n"

exists = os.path.isfile(outputTxtFile)