Red-ling is the process of adding marks to your drawing to indicate, errors, changes, pointf of interest, or areas of inquiry.
The Red-Lining Tools are:

• Line
• Rectangle
• Circle
• Cloud
• Highlight

Line Tool

To draw a line:

1. Select the Line tool
2. Place your finger on the screen.
3. Drag your finger to the location where you want the first end point of the line.

Note: The point will snap to elements of the drawing as you drag it.

1. Lift your finger off the screen. This places the first end point of the line.
2. Next, again place your finger on the screen.
3. Drag your finger to the location where you want the final end point of the line.

Note: The point will snap to elements of the drawing as you drag it.

1. Lift your finger off the screen. This completes the line.

OR

1. Tap on the location where you want the first end point of the line.
2. Then tap where you want the final end point of the line. This completes the line.

Editing Lines

To edit a line:

1. Select the line.
2. Adjust the points of the line by dragging the blue control nodes of the line.

Rectangle Tool

To draw a rectangle:

1. Select the Rectangle tool
2. Place your finger on the screen where you want the first corner point of the rectangle.
3. Drag your finger to the location where you want the final corner point of the rectangle.

Note: The point will snap to elements of the drawing as you drag it.

1. Lift your finger off the screen. This completes the rectangle.

OR

1. Tap on the location where you want the first corner point of the rectangle.
2. Then tap where you want the final corner point of the rectangle. This completes the rectangle.

Editing Rectangles

To edit a rectangle:

1. Select the rectangle.
2. Adjust the points of the line by dragging the blue control nodes of the rectangle.

To edit the roundness of a rectangle:

1. Select the rectangle.
2. Drag the yellow control node of the rectangle to increase or decrease roundness of the corners.

Circle Tool

To draw a circle:

1. Select the Circle tool
2. Place your finger on the screen where you want the center point of the circle.
3. Drag your finger to the location where you want the radius point of the circle.

Note: The point will snap to elements of the drawing as you drag it.

1. Lift your finger off the screen. This completes the circle.

OR

1. Tap on the location where you want the center point of the circle.
2. Then tap where you want the radius point of the circle. This completes the circle.

Editing Circles

To edit a circle:

1. Select the circle.
2. Adjust the points of the line by dragging the blue control nodes of the circle (center and radius).

To edit a eccentricity of a circle:

1. Select the circle.
2. Drag the yellow control node of the circle to increase or decrease eccentricity of the circle to make it more or less elliptical.

Cloud Tool

To draw a cloud:

1. Select the Cloud tool
2. Place your finger on the screen where you want the first corner of the cloud.
3. Drag your finger to the location where you want the final corner of the cloud.

Note: The point will snap to elements of the drawing as you drag it.

1. Lift your finger off the screen. This completes the cloud.

OR

1. Tap on the location where you want the first corner of the cloud.
2. Then tap where you want the final corner of the cloud. This completes the cloud.

Editing Clouds

To edit a cloud:

1. Select the cloud.
2. Adjust the points of the line by dragging the blue control nodes of the cloud.

Highlight Tool

To draw a highlight:

1. Select the Highlight tool
2. Place your finger on the screen where you want the first end point of the highlight.
3. Drag your finger to the location where you want the final end point of the highlight.

Note: The point will snap to elements of the drawing as you drag it.

1. Lift your finger off the screen. This completes the highlight.

OR

1. Tap on the location where you want the first end point of the highlight.
2. Then tap where you want the final end point of the highlight. This completes the highlight.

Editing Highlights

To edit a highlight:

1. Select the highlight.
2. Adjust the points of the line by dragging the blue control nodes of the highlight.

To edit the roundness of a highlight:

1. Select the highlight.
2. Drag the yellow control node of the highlight to increase or decrease roundness of the highlight ends.