Home > Adobe, CS5, Illustrator > Illustrator CS5 Perspective Grid: Manipulating the Perspective Grid

Illustrator CS5 Perspective Grid: Manipulating the Perspective Grid

In a Vanishing Point Perspective System, there is basically an infinite number of lines, all converging on the vanishing point. If you were drawing on paper, you would only draw the lines you need that is part of your shape. In Illustrator, a grid of lines is set up for you (like a graph paper) so there is a starting reference point.

When manipulating the perspective grid, it’s important to differentiate between those control points that merely affect the plane  (which doesn’t affect your perspective, since it’s just part of the inifinite number of lines that could be displayed anyways), and those control points that will alter the perspective (and all objects in relation to the perspective). Adobe doesn’t seem to have an official name for these, so I’ll start calling them Plane Control Points, and Grid Control Points

  • Grid Control Points are those control points that will actually change your perspective grid. These include the Horizontal Level, the Ground Level, and the Vanishing Point.
  • Plane Control Points affect the appearance of the plane. I’m including the Origin Point in here, since it affects the XY coordinate within the plane.

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