Most people have never heard of Agenda 21. If they have heard of it, they likely believe it to be a vague United Nations program that will never see the light of day, or they believe it is imagined by conspiracy theorists. Yet, the principles contained in Agenda 21 are at the heart of many of our federal programs since the late 1990s.
Aadori --. The step included in the construction of perpendicular lines using a point on the line is make arcs above and below the given line with a compass.
The one-point perspective construction, with convergence of the receding horizontals at the horizon. This construction applies only when the scene contains one set of parallel lines perpendicular to the picture plane and parallel to the ground. All other lines must be aligned with the picture plane.