Monday, February 9, 2015

Finding the Centre and Spacing in Perspective

To find the centre of a rectangular object in perspective, you draw diagonals on each side. The point where these diagonals intersect is the centre. After locating the centre, you can then use it as a point of reference for other objects, such as doors or text on a billboard.

I've often wondered how to draw evenly spaced posts in perspective. First, you draw two posts in perspective, using the usual EyeLevel-VanishingPoint technique. Then, you draw a diagonal from the top of the first pole through the centre of the second pole, and keep going until this line intersects the line going to the VP. Now you have the base point of the third pole.

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