I am trying to build an radar display using opengl with QT. I have see one of the post by Brad Howes in which he has display the an screen shot of the radar display.
Q 1. What kind of background color code combination being used ? I am trying to use glClearColor(0.2,0.0,0.7,1.0)
yet no success.
Q 2. What is the formula for dividing/creating an vertical line with small no of markers ?
Below is the screen shot from Brad Howes Post