![]() ![]() ![]() If it were, we wouldn't need any special features for it. We can already just draw arbitrary horizon lines and perspective rays like we do on paper. Nor do I assume it's that simple to implement in software. ![]() Have you tried the Perspective Grid feature in Adobe Illustrator (which it copied from FreeHand)? Many users no doubt think it must be rigorous just because it's in software. But it's easy to catch it committing the common error in which foreground grid "squares" become less foreshortened vertically than horizontally and therefore look like elongated rectangles instead of squares (not at all how the eye would see it). Here's the thing: The kind of casual "vanishing point" perspective typically taught in basic art classes is actually not very rigorous. ![]()
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