Gridline: Grid & Value Study

Put a grid over any reference photo and check its values on the same screen. Gridline is a drawing grid for painters, illustrators and art students who work from reference photos. Import a picture, set up the grid, switch to grayscale or a notan when you need to judge values, and paint with your phone or iPad beside the easel. ■ Free • Import from your photo library or take a new photo • Square or rectangular cells, with any number of columns and rows • Diagonals, cell numbers, line color and line thickness • Grayscale view, a 2-tone notan, and mirror • Paint mode: the tools disappear, touches are ignored and the screen stays awake, so the device can stand by your easel. Long-press to leave • Unlimited projects, each one reopening with the settings you left ■ Gridline Pro (one-time purchase) • Notan in 3, 4 or 5 tones: drag the split points on the value scale and simplify the small…