Drawing Lines with Direct Distance Entry and Polar Tracking
For most types of drawings, the lines you create will need to be at specific angles and lengths: for instance, a wall that must extend 15 feet to the right from another wall, or a shaft in a machine part that must be 200 millimeters long. AutoCAD provides several techniques for drawing at exact distances. The first that we will learn is called Direct Distance Entry with Polar Tracking.
- Direct Distance Entry - allows you to draw a line a specific distance by simply typing in the number. The angle of the line is controlled by where you move the crosshairs.
- Polar Tracking - keeps the line to exact angles. You can set the angles, but for now we will work with standard 90-degree increments to create straight horizontal and vertical lines.
- To toggle Polar Tracking on and off, pick the POLAR button on the Status Bar, or push <F10>.
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