Corner pin
The simplest warp: moving the four corners of the image to match a flat quadrilateral surface.
Corner-pinning corrects perspective when the projector is not perpendicular to a flat surface. Most mapping software starts every surface with a corner-pin.
Related terms
- WarpingDistorting the output image so it lands correctly on the target surface.
- Keystone correctionCorrecting the trapezoid shape caused by projecting at an angle.
Put it into practice: throw-distance calculator · lumens calculator · intro to projection mapping