Length Measurement

1. Go to Measure > Length or press SHIFT+ALT+L. The Length measurement mode is engaged.
2. Click the end points of the desired length.

Tips:

• Hold down SHIFT to draw lines that are at horizontal, vertical, or 45° angles.
• Length measurement arrows will automatically position themselves inside the extension lines when there is enough room, otherwise they will automatically position themselves outside the extension lines.

Select a markup to reveal its control handles. Each handle controls a different aspect of the markup's size and orientation.

To resize the markup or change its angle, click and drag the appropriate yellow handle. Hold down SHIFT while dragging to force the markup to a horizontal, vertical, or 45° angle.

To adjust the height of the markup, click and drag the middle (caption) control handle.

To move the entire markup together, click and drag a part of it other than the control handles.

To rotate the caption, click and drag the orange handle directly over it. By default, the markup is rotated in increments of 15°; to rotate in increments of 1°, hold down SHIFT while dragging.To return a rotated caption to its original position, right-click it and select Reset Caption Position.

See Editing Markups for more information.

The appearance of the Length measurement is configurable, including its line and fill color, line width and style, opacity, and font characteristics for the caption.

To change the appearance of a Length measurement, select it and click the Properties tab.

Appearance Properties

Color: Sets the line color.

Fill Color: Controls the fill color of the endpoints.

Highlight: Makes the fill color and line transparent so underlying content shows through.

Opacity: Sets opacity level of the line and endpoints, from 0 (invisible) to 100 (opaque).

Line Width: Sets the line thickness in points.

Style: Determines the pattern of the line segment.

Line Start and Line End: Controls the appearance of the endpoints for each side of the line. The diagram below shows samples of each type of endpoint.

Each endpoint has an associated Scale that determines the size of the endpoint in relation to the Line Width. By default, it is set to Auto and will automatically adjust as the Line Width is changed.

Show Caption: Select to include the caption text on the markup.

Show Caption Leader: Select to show the leader line to the caption.

Font Size: Sets the size of the font.

Text Color: Sets the color of text.

The Font Style and Script Style settings control the formatting of the text. Options include Bold, Italic, Underline, Strikethrough, Superscript and Subscript. Generally, any combination of these styles can be applied to format the text.