Commit 70fadae5790d879b6539f10698fb6f897851d080
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volia/plot.py
| 1 | import argparse | 1 | import argparse |
| 2 | import matplotlib.pyplot as plt | 2 | import matplotlib.pyplot as plt |
| 3 | import numpy as np | 3 | import numpy as np |
| 4 | import pandas as pd | 4 | import pandas as pd |
| 5 | 5 | ||
| 6 | from core.data import read_features, read_lst, read_labels | 6 | from core.data import read_features, read_lst, read_labels |
| 7 | from utils import SubCommandRunner | 7 | from utils import SubCommandRunner |
| 8 | 8 | ||
| 9 | 9 | ||
| 10 | def scatter_plot(features: str, labels: str, outfile: str): | 10 | def scatter_plot(features: str, labels: str, outfile: str): |
| 11 | """Generate a simple scatter plot. Mainly used for | 11 | """Generate a simple scatter plot. Mainly used for |
| 12 | data visualisation processed with tsne or algorithm like | 12 | data visualisation processed with tsne or algorithm like |
| 13 | this later. | 13 | this later. |
| 14 | 14 | ||
| 15 | Args: | 15 | Args: |
| 16 | features (str): Features file in 2d or 3d | 16 | features (str): Features file in 2d or 3d |
| 17 | labels (str): Labels file | 17 | labels (str): Labels file |
| 18 | outfile (str) : output file | 18 | outfile (str) : output file |
| 19 | """ | 19 | """ |
| 20 | 20 | ||
| 21 | id_to_features = read_features(args.features) | 21 | id_to_features = read_features(args.features) |
| 22 | ids = [ key for key in id_to_features.keys() ] | 22 | ids = [ key for key in id_to_features.keys() ] |
| 23 | utt2label = read_labels(labels) | 23 | utt2label = read_labels(labels) |
| 24 | 24 | ||
| 25 | features = [ id_to_features[id_] for id_ in ids ] | 25 | features = [ id_to_features[id_] for id_ in ids ] |
| 26 | features = np.vstack(features) | 26 | features = np.vstack(features) |
| 27 | 27 | ||
| 28 | labels_list = [ utt2label[id_][0] for id_ in ids ] | 28 | labels_list = [ utt2label[id_][0] for id_ in ids ] |
| 29 | 29 | ||
| 30 | features_T = features.transpose() | 30 | features_T = features.transpose() |
| 31 | print("Number of labels: ", len(np.unique(labels_list))) | 31 | print("Number of labels: ", len(np.unique(labels_list))) |
| 32 | df = pd.DataFrame(dict( | 32 | df = pd.DataFrame(dict( |
| 33 | x=features_T[0], | 33 | x=features_T[0], |
| 34 | y=features_T[1], | 34 | y=features_T[1], |
| 35 | label=labels_list)) | 35 | label=labels_list)) |
| 36 | 36 | ||
| 37 | groups = df.groupby('label') | 37 | groups = df.groupby('label') |
| 38 | 38 | ||
| 39 | # Plot | 39 | # Plot |
| 40 | fig, ax = plt.subplots() | 40 | fig, ax = plt.subplots() |
| 41 | 41 | ||
| 42 | for label, group in groups: | 42 | for label, group in groups: |
| 43 | p = ax.plot(group.x, group.y, marker='o', linestyle='', ms=1, label=label) | 43 | p = ax.plot(group.x, group.y, marker='o', linestyle='', ms=1, label=label) |
| 44 | ax.legend() | 44 | ax.legend() |
| 45 | plt.savefig(outfile) | 45 | plt.savefig(outfile) |
| 46 | print("Your plot is saved well (no check of this affirmation)") | 46 | print("Your plot is saved well (no check of this affirmation)") |
| 47 | 47 | ||
| 48 | 48 | ||
| 49 | 49 | ||
| 50 | if __name__ == '__main__': | 50 | if __name__ == '__main__': |
| 51 | 51 | ||
| 52 | # Main parser | 52 | # Main parser |
| 53 | parser = argparse.ArgumentParser(description="") | 53 | parser = argparse.ArgumentParser(description="") |
| 54 | subparsers = parser.add_subparsers(title="action") | 54 | subparsers = parser.add_subparsers(title="action") |
| 55 | 55 | ||
| 56 | # with label | 56 | # scatter with labels |
| 57 | parser_scatter = subparsers.add_parser("scatter") | 57 | parser_scatter = subparsers.add_parser("scatter") |
| 58 | parser_scatter.add_argument("features", type=str, help="define the main features file") | 58 | parser_scatter.add_argument("features", type=str, help="define the main features file") |
| 59 | parser_scatter.add_argument("--labels", default=None, type=str, help="specify the labels of each utterance/element") | 59 | parser_scatter.add_argument("--labels", default=None, type=str, help="specify the labels of each utterance/element") |
| 60 | parser_scatter.add_argument("--outfile", default="./out.pdf", type=str, help="Specify the output file (better in pdf)") | 60 | parser_scatter.add_argument("--outfile", default="./out.pdf", type=str, help="Specify the output file (better in pdf)") |
| 61 | parser_scatter.set_defaults(which="scatter") | 61 | parser_scatter.set_defaults(which="scatter") |
| 62 | 62 | ||
| 63 | # Parse | 63 | # Parse |
| 64 | args = parser.parse_args() | 64 | args = parser.parse_args() |
| 65 | 65 | ||
| 66 | # Run commands | 66 | # Run commands |
| 67 | runner = SubCommandRunner({ | 67 | runner = SubCommandRunner({ |
| 68 | "scatter" : scatter_plot | 68 | "scatter" : scatter_plot |
| 69 | }) | 69 | }) |
| 70 | 70 | ||
| 71 | runner.run(args.which, args.__dict__, remove="which") | 71 | runner.run(args.which, args.__dict__, remove="which") |