orientation

Buildozer – Orientation Portrait setting not working Question: I am a Python Kivy learner. As part of learning, 2 months back i successfully build a calculator app through google collab. The app was working perfectly. Now when i build the same app, it builds successfully but the orientation doesnt work. It rotates to all direction. …

Fundamental understanding of tvecs rvecs in OpenCV-ArUco Question: I want to use ArUco to find the "space coordinates" of a marker. I have problems understanding the tvecs and rvecs. I came so far as to the tvecs are the translation and the rvecs are for rotation. But how are they oriented, in which order are …