CanvasToGlobe

CanvasToGlobe is a studio tool for artists painting 360° panoramas by hand. An equirectangular painting is a flat 2:1 sheet that wraps into a sphere, the format VR headsets and 360° viewers use. What looks right on paper often doesn't on the sphere: the top and bottom pinch to a point, and the left and right edges have to meet. CanvasToGlobe shows you while you are still painting. PHOTOGRAPH Take a photo of your painting in the app, or import one. The outline of the paper is found for you. CORNERS Drag four pins onto the corners of the paper, with a magnifier for precise placement. The photo is straightened into an exact 2:1 image. SPHERE Hold up your iPhone or iPad and turn around: the motion sensors put you inside your painting. Drag and pinch work too, and a little-planet view looks straight at each pole. CORRECT Converge the poles so the zenith doesn't spin into a starburst, blend…