vendor: OpenCV 5.0.0 snapshot at 755e50675d97db9b7d449d8bd6b09888646f6c6e

2026-08-22 00:11:13 +08:00
commit 12022378a3
3872 changed files with 2513409 additions and 0 deletions
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+import numpy as np
+import cv2 as cv
+
+def load_bunny():
+    with open(cv.samples.findFile("../viz/data/bunny.ply"), 'r') as f:
+        s = f.read()
+    ligne = s.split('\n')
+    if len(ligne) == 5753:
+        pts3d = np.zeros(shape=(1,1889,3), dtype=np.float32)
+        pts3d_c = 255 * np.ones(shape=(1,1889,3), dtype=np.uint8)
+        pts3d_n = np.ones(shape=(1,1889,3), dtype=np.float32)
+        for idx in range(12,1889):
+            d = ligne[idx].split(' ')
+            pts3d[0,idx-12,:] = (float(d[0]), float(d[1]), float(d[2]))
+    pts3d = 5 * pts3d
+    return cv.viz_WCloud(pts3d)
+
+myWindow = cv.viz_Viz3d("Coordinate Frame")
+axe = cv.viz_WCoordinateSystem()
+myWindow.showWidget("axe",axe)
+
+cam_pos =  (3.0, 3.0, 3.0)
+cam_focal_point = (3.0,3.0,2.0)
+cam_y_dir = (-1.0,0.0,0.0)
+cam_pose = cv.viz.makeCameraPose(cam_pos, cam_focal_point, cam_y_dir)
+print("OK")
+transform = cv.viz.makeTransformToGlobal((0.0,-1.0,0.0), (-1.0,0.0,0.0), (0.0,0.0,-1.0), cam_pos)
+pw_bunny = load_bunny()
+cloud_pose = cv.viz_Affine3d()
+cloud_pose = cloud_pose.translate((0, 0, 3))
+cloud_pose_global = transform.product(cloud_pose)
+
+cpw = cv.viz_WCameraPosition(0.5)
+cpw_frustum = cv.viz_WCameraPosition(0.3)
+myWindow.showWidget("CPW", cpw);
+myWindow.showWidget("CPW_FRUSTUM", cpw_frustum)
+myWindow.setViewerPose(cam_pose)
+myWindow.showWidget("bunny", pw_bunny, cloud_pose_global)
+#myWindow.setWidgetPosePy("bunny")
+myWindow.spin();
+print("Last event loop is over")