Using the measure tool (Photoshop)
The measure tool calculates the distance between any two points in the work area. When you measure from one point to another, a nonprinting line is drawn and the options bar and Info palette show the following information: - The starting location (X and Y).
- The horizontal (W) and vertical (H) distances traveled from the x- and y-axes.
- The angle measured relative to the axis (A).
- The total distance traveled (D1).
- When using a protractor, you can view two distances traveled (D1 and D2).
All measurements except the angle are calculated in the unit of measure currently set in the Units & Rulers preference dialog box. For information on setting the unit of measure, see Using rulers.
To display an existing measuring line: Select the measure tool .
To measure between two points: - Select the measure tool .
- Drag from the starting point to the ending point. Hold down the Shift key to constrain the tool to multiples of 45°.
- To create a protractor from an existing measuring line, Alt-drag (Windows) or Option-drag (Mac OS) at an angle from one end of the measuring line, or double-click the line and drag. Hold down the Shift key to constrain the tool to multiples of 45°.
To edit a measuring line or protractor: - Select the measure tool .
- Do one of the following:
- To resize the line, drag one end of an existing measuring line.
- To move the line, place the pointer on the line away from either endpoint, and drag the line.
- To remove the line, place the pointer on the line away from either endpoint, and drag the line out of the image.
Note: You can drag out a measure line on an image feature that should be horizontal or vertical, then choose Image > Rotate Canvas > Arbitrary and the correct angle of rotation required to straighten the image will already be entered into the Rotate Canvas dialog box.
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