update vis script

vis_hit_sample.py

@@ -1,9 +1,17 @@
+import argparse
+
 from datasets import load_dataset
+
 import open3d as o3d
 import numpy as np
 import random
 
+
 def vis_hit_sample(sample):
+    """
+    :param sample: HIT dataset sample
+    :return:
+    """
     # get point-cloud from sample
     pc = np.asarray(sample['body_cont_pc'])
     # create point-cloud
@@ -30,41 +38,61 @@ def vis_hit_sample(sample):
     # visualize sample
     vis = o3d.visualization.Visualizer()
     vis.create_window()
-    vis.get_render_option().point_size = 2
+    # side-view
     xyz = (-np.pi / 2, 0, 0)
     R1 = o3d.geometry.get_rotation_matrix_from_xyz(xyz)
-    xyz = (0, 2 * np.pi, 0)
-    R2 = o3d.geometry.get_rotation_matrix_from_xyz(xyz)
-    vis.add_geometry(mesh.rotate(R1, center=(0, 0, 0)))  # side view
+    # vis mesh with pointcloud
+    vis.add_geometry(mesh.rotate(R1, center=(0, 0, 0)))
+    vis.add_geometry(pcd.rotate(R1, center=(0, 0, 0)))
+    # vis mesh-free-verts with pointcloud
     vis.add_geometry(mesh_free.translate((1.2, 0, 0)))
-    vis.add_geometry(mesh_free.rotate(R1, center=(0, 0, 0)))  # side view
-    vis.add_geometry(pcd.rotate(R1, center=(0, 0, 0)))  # side view
+    vis.add_geometry(mesh_free.rotate(R1, center=(0, 0, 0)))
     vis.add_geometry(pcd_front.translate((1.2, 0, 0)))
-    vis.add_geometry(pcd_front.rotate(R1, center=(0, 0, 0)))  # side view
+    vis.add_geometry(pcd_front.rotate(R1, center=(0, 0, 0)))
+    # render
     vis.get_render_option().mesh_show_wireframe = True
-    vis.get_render_option().light_on = True
-    vis.get_render_option().mesh_show_back_face = True
-    vis.get_render_option().mesh_shade_option = o3d.visualization.MeshShadeOption.Default
+    vis.get_render_option().point_size = 2
     vis.poll_events()
     vis.update_renderer()
     vis.run()
+    return 0
 
 
 if __name__ == '__main__':
+    parser = argparse.ArgumentParser(description='HIT dataset visualization')
+    parser.add_argument('--gender', type=str, default='male')
+    parser.add_argument('--split', type=str, default='train')
+    parser.add_argument('--idx', type=int, default=None)
+
+    # get args
+    args = parser.parse_args()
+    assert args.gender in ['male', 'female']
+    assert args.split in ['train', 'validation', 'test']
+
+    # load split
+    hit_dataset = load_dataset("varora/hit", args.gender, split=args.split)
+
+    # to load specific split, use:
     # male splits
-    male_train = load_dataset("varora/hit", "male", split="train")
+    #male_val = load_dataset("varora/hit", "male", split="validation")
     #male_val = load_dataset("varora/hit", "male", split="validation")
     #male_test = load_dataset("varora/hit", "male", split="test")
-
     # female splits
     #female_train = load_dataset("varora/hit", "female", split="train")
     #female_val = load_dataset("varora/hit", "female", split="validation")
     #female_test = load_dataset("varora/hit", "female", split="test")
 
-    N_dataset = male_train.__len__()
-    # get a random sample
-    idx = random.randint(0, N_dataset)
-    hit_sample = male_train[idx]
+    # len of split
+    N_dataset = hit_dataset.__len__()
+
+    # get idx for sample
+    if not args.idx:
+        idx = random.randint(0, N_dataset)
+    else:
+        idx = args.idx
+
+    # get sample
+    hit_sample = hit_dataset[idx]
     # visualize the sample
-    print(f"Visualizing {idx}...")
+    print(f"Visualizing sample no. {idx} in {args.gender}:{args.split}.")
     vis_hit_sample(hit_sample)