add hit vis script

vis_hit_sample.py

@@ -0,0 +1,64 @@
+from datasets import load_dataset
+import open3d as o3d
+import numpy as np
+
+def vis_hit_sample(sample):
+    # get point-cloud from sample
+    pc = np.asarray(sample['body_cont_pc'])
+    # create point-cloud
+    pcd = o3d.geometry.PointCloud()
+    pcd.points = o3d.utility.Vector3dVector(pc)
+    pcd.paint_uniform_color([0.6509803922, 0.2901960784, 0.2823529412])
+    pcd_front = pcd.__copy__()
+
+    # get mesh and mesh-free-verts from sample
+    mesh_verts = np.asarray(sample['smpl_dict']['verts'])
+    mesh_verts_free = np.asarray(sample['smpl_dict']['verts_free'])
+    mesh_faces = np.asarray(sample['smpl_dict']['faces'])
+    # create mesh
+    mesh = o3d.geometry.TriangleMesh()
+    mesh.vertices = o3d.utility.Vector3dVector(mesh_verts)
+    mesh.triangles = o3d.utility.Vector3iVector(mesh_faces)
+    mesh.paint_uniform_color([0.737254902, 0.7960784314, 0.8196078431])
+    # create mesh-free-verts
+    mesh_free = o3d.geometry.TriangleMesh()
+    mesh_free.vertices = o3d.utility.Vector3dVector(mesh_verts_free)
+    mesh_free.triangles = o3d.utility.Vector3iVector(mesh_faces)
+    mesh_free.paint_uniform_color([0.737254902, 0.7960784314, 0.8196078431])
+
+    # visualize sample
+    vis = o3d.visualization.Visualizer()
+    vis.create_window()
+    vis.get_render_option().point_size = 2
+    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.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(pcd_front.translate((1.2, 0, 0)))
+    vis.add_geometry(pcd_front.rotate(R1, center=(0, 0, 0)))  # side view
+    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.poll_events()
+    vis.update_renderer()
+    vis.run()
+
+
+if __name__ == '__main__':
+    # male splits
+    male_train = load_dataset("varora/hit", "male", split="train")
+    #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")
+
+    hit_sample = male_train[0]
+    vis_hit_sample(hit_sample)