Quick links to procedures on this page:
Corel Painter lets you show or hide rulers along the top and left sides of the document window. Each mark on a ruler is known as a tick and represents the selected unit of measurement. You can set the unit of measurement to pixels, inches, centimeters, points, or picas.
As you rotate an image in the document window, the rulers scroll to show the position of the canvas in the document window. The origin of the document is the intersection of the zero (0) ticks on each ruler. By default, the origin is the upper left corner of the canvas. Changing the origin resets the location of the zero ticks on the rulers.
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Choose Canvas  Rulers, and choose either Show Rulers or Hide Rulers. |
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Choose Canvas Rulers Ruler Options. |
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In the Ruler Options dialog box, choose a unit of measurement from the Ruler Units list box. |
You can also open the Ruler Options dialog box by holding down Option (macOS) or Alt (Windows) and clicking the ruler.
