def search():
try:
data = json.loads(request.params.data)
topology = Topology(verbose=0)
file_id = int(data["file_id"])
file_name = _get_file_name_from_id(file_id)
file_path = os.path.join(DATA_DIR, file_name)
# create topology instance
topology = Topology(verbose=0)
loader = CSVLoader(file_path)
topology.load(loader=loader, standardize=True)
target_index = data["target_index"]
mode = int(data["mode"])
clustering_algorithm = int(data["clustering_algorithm"])
train_size = float(data["train_size"])
k = int(data["k"])
eps = float(data["eps"])
min_samples = int(data["min_samples"])
topology.point_cloud = np.array(data["point_cloud"])
hypercubes = data["hypercubes"]
topology.hypercubes = _convert_array_to_hypercubes(hypercubes)
topology.nodes = np.array(data["nodes"])
topology.edges = np.array(data["edges"])
search_type = data["search_type"]
search_dicts = []
for condition in data["search_conditions"]:
c = {
"data_type": condition["data_type"],
"column": condition["column"],
"operator": condition["operator"],
"value": _decode_txt(condition["value"])
}
search_dicts.append(c)
colors = []
if mode == 0:
for i in range(topology.number_data.shape[1]):
t = topology.number_data[:, i]
scaler = preprocessing.MinMaxScaler()
t = scaler.fit_transform(t.reshape(-1, 1))
topology.color_point_cloud(target=t)
if len(search_dicts) > 0:
topology.search_point_cloud(search_dicts=search_dicts,
search_type=search_type)
colors.append(topology.point_cloud_hex_colors)
elif mode == 1:
# unsupervised_clusterings
if target_index != '':
topology.number_data, target = _split_target(
topology.number_data, int(target_index))
clusters = [
cluster.KMeans(n_clusters=k),
cluster.DBSCAN(eps=eps, min_samples=min_samples)
]
topology.unsupervised_clustering_point_cloud(
clusterer=clusters[clustering_algorithm])
if target_index != '':
topology.number_data = _concat_target(topology.number_data,
target,
int(target_index))
if len(search_dicts) > 0:
topology.search_point_cloud(search_dicts=search_dicts,
search_type=search_type)
colors = []
for i in range(topology.number_data.shape[1]):
colors.append(topology.point_cloud_hex_colors)
elif mode == 2:
# supervised_clusterings
if target_index != '':
topology.number_data, target = _split_target(
topology.number_data, int(target_index))
clusters = [neighbors.KNeighborsClassifier(n_neighbors=k)]
topology.supervised_clustering_point_cloud(
clusterer=clusters[clustering_algorithm],
target=target,
train_size=train_size)
if target_index != '':
topology.number_data = _concat_target(topology.number_data,
target,
int(target_index))
if len(search_dicts) > 0:
topology.search_point_cloud(search_dicts=search_dicts,
search_type=search_type)
colors = []
for i in range(topology.number_data.shape[1]):
colors.append(topology.point_cloud_hex_colors)
elif mode == 3:
# tda
topology.graph_util = GraphUtil(point_cloud=topology.point_cloud,
hypercubes=topology.hypercubes)
colors = []
for i in range(topology.number_data.shape[1]):
t = topology.number_data[:, i]
scaler = preprocessing.MinMaxScaler()
t = scaler.fit_transform(t.reshape(-1, 1))
topology.color(target=t)
if len(search_dicts) > 0:
topology.search(search_dicts=search_dicts,
search_type=search_type)
colors.append(topology.hex_colors)
body = {
"colors": colors,
}
r = create_response(body)
return r
except Exception as e:
body = json.dumps({"error_msg": e.args[0]})
r = create_response(body)
return r
def create():
try:
# get request params
data = json.loads(request.params.data)
file_id = int(data["file_id"])
file_name = _get_file_name_from_id(file_id)
file_path = os.path.join(DATA_DIR, file_name)
# create topology instance
topology = Topology(verbose=0)
loader = CSVLoader(file_path)
topology.load(loader=loader, standardize=True)
target_index = data["target_index"]
mode = int(data["mode"])
clustering_algorithm = int(data["clustering_algorithm"])
train_size = float(data["train_size"])
k = int(data["k"])
eps = float(data["eps"])
min_samples = int(data["min_samples"])
resolution = int(data["resolution"])
overlap = float(data["overlap"])
topology.point_cloud = np.array(data["point_cloud"])
visualize_mode = int(data["visualize_mode"])
if mode == 0:
# scatter plot
colors = []
for i in range(topology.number_data.shape[1]):
t = topology.number_data[:, i]
scaler = preprocessing.MinMaxScaler()
t = scaler.fit_transform(t.reshape(-1, 1))
topology.color_point_cloud(target=t, normalize=False)
colors.append(topology.point_cloud_hex_colors)
elif mode == 1:
# unsupervised_clusterings
# If target index isn't exists, use all data to calculate
if target_index != '':
topology.number_data, target = _split_target(
topology.number_data, int(target_index))
clusters = [
cluster.KMeans(n_clusters=k),
cluster.DBSCAN(eps=eps, min_samples=min_samples)
]
topology.unsupervised_clustering_point_cloud(
clusterer=clusters[clustering_algorithm])
if target_index != '':
topology.number_data = _concat_target(topology.number_data,
target,
int(target_index))
colors = []
for i in range(topology.number_data.shape[1]):
colors.append(topology.point_cloud_hex_colors)
elif mode == 2:
# supervised_clusterings
# If target index isn't exists, use all data to calculate
if target_index != '':
topology.number_data, target = _split_target(
topology.number_data, int(target_index))
clusters = [neighbors.KNeighborsClassifier(n_neighbors=k)]
topology.supervised_clustering_point_cloud(
clusterer=clusters[clustering_algorithm],
target=target,
train_size=train_size)
if target_index != '':
topology.number_data = _concat_target(topology.number_data,
target,
int(target_index))
colors = []
for i in range(topology.number_data.shape[1]):
colors.append(topology.point_cloud_hex_colors)
elif mode == 3:
# tda
topology.map(resolution=resolution,
overlap=overlap,
eps=eps,
min_samples=min_samples)
if visualize_mode == 2:
presenter = SpectralPresenter(fig_size=(10, 10),
node_size=5,
edge_width=1)
pos = presenter._get_position(topology.nodes, topology.edges)
topology.nodes = np.array(list(pos.values()))
print("spectral")
colors = []
for i in range(topology.number_data.shape[1]):
t = topology.number_data[:, i]
scaler = preprocessing.MinMaxScaler()
t = scaler.fit_transform(t.reshape(-1, 1))
topology.color(target=t)
colors.append(topology.hex_colors)
if mode < 3:
hypercubes = _ndarray_to_list(
np.arange(len(topology.point_cloud)).reshape(-1, 1))
nodes = _ndarray_to_list(topology.point_cloud)
edges = []
node_sizes = [MIN_NODE_SIZE] * len(topology.point_cloud)
colors = colors
elif mode == 3:
hypercubes = _convert_hypercubes_to_array(topology.hypercubes)
nodes = _ndarray_to_list(topology.nodes)
edges = _ndarray_to_list(topology.edges)
scaler = preprocessing.MinMaxScaler(feature_range=(MIN_NODE_SIZE,
MAX_NODE_SIZE))
node_sizes = _ndarray_to_list(
scaler.fit_transform(topology.node_sizes))
colors = colors
body = {
"hypercubes": hypercubes,
"nodes": nodes,
"edges": edges,
"node_sizes": node_sizes,
"colors": colors,
"train_index": _ndarray_to_list(topology.train_index)
}
r = create_response(body)
return r
except Exception as e:
body = json.dumps({"error_msg": e.args[0]})
r = create_response(body)
return r
