Exposing a sensor to a light – projects points that project to all the sensor – and so all locations on the sensor see light from all the points. Aperture(small hole) – seeing light from only one point(inverted and reduced). How big should the aperture be ? until diffraction happensContinue Reading
Is a force(tension force to be exact) that makes a body follow a curved path with a center. The force’s direction is always to the instantaneous center of the path and orthogonal to the motion of the body. The body’s acceleration can be calculated as: a= v^2/r (where v squaredContinue Reading
COP center of projection on origin. Using Similar Triangles – X,Y are projected to -d*X/Z, -d*Y/Z – which is the focal length. Homogeneous coordinates enable linear multiplication,and are invariant under scale. We use them to not worry about the division of z until after the heavy math and inContinue Reading