同时显示多组点云

import os
import glob
import randomimport pyvista as pvdef display_multi_mesh(meshes: list, titles=None, point_size=3, opacity=0.9):num = len(meshes)pl = pv.Plotter(shape=(1, num))pl.set_background([0.9, 0.9, 0.9])for i in range(num):pl.subplot(0, i)if titles is not None:pl.add_title(titles[i], font_size=20, font='times')pl.show_axes()pl.add_mesh(meshes[i], point_size=point_size, opacity=opacity, show_scalar_bar=False)pl.show()if __name__ == '__main__':result_paths = glob.glob(r'./examples/shapenet/results/predict_err_ply/*/*')print(len(result_paths))case_id = random.randint(0, len(result_paths) // 3)point_size = 3opacity = 0.8gts = [p for p in result_paths if 'gt' in p]print(len(gts))gt_path = os.path.join(gts[case_id])print('Test case:', gt_path)pred_path = gt_path.replace('gt', 'pred')diff_path = gt_path.replace('gt', 'diff')meshes = []titles = ["Gt", "Pred", "Diff"]paths = [gt_path, pred_path, diff_path]for path in paths:meshes.append(pv.read(path))display_multi_mesh(meshes,titles)