Question: In OpenGL, there are three transformations that the user needs to specify in order to completely specify the transformation of 3D points to 2D screen

In OpenGL, there are three transformations that the user needs to specify in order to completely specify the transformation of 3D points to 2D screen pixel coordinates. These are the Modelview, Projection and Viewport. Please specify which of these might need to be updated for each of the following situations.

In OpenGL, there are three transformations that the user needs to specify

In OpenGL there are three transformations that the user needs to specify in order to complete specify the transformation of 3D points to 2D screen pixel coordinates. These are the Modelview, Projection and Viewport. Please specify which of these might need to be updated for each of the following situations. The object is rotated 30 degrees from its current position. A. Projection E The program widens the field of view of the scene from a narrow angle to a wide angle. B. Modelview E v The user interactively changes the window size. (Projection is one, what is the other? C. Viewpoint E Using Lookat to view an object from a specified position and orientation

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