LEARNING OBJECTIVES

After completing this lesson, you will be able to:

1. Understand what is a Polyline.

2. Draw a Polyline and Polyarc.

3. Assign widths to polylines.

4. Set the Fill mode to On or Off.

POLYLINES

A POLYLINE is very similar to a LINE. It is created in the same way a line is drawn. It requires first and second endpoints. But a POLYLINE has additional features, as follows:

1. A POLYLINE is ONE object, even though it may have many segments.

2. You may specify a specific width to each segment.

3. You may specify a different width to the start and end of a polyline segment.

THE FOLLOWING ARE EXAMPLES OF POLYLINES WITH WIDTHS ASSIGNED.

Fill Mode = Off

Fill Mode = On

To turn FILL MODE on or off.

1. Command: type FILL

2. Enter mode [On / Off] : type ON or Off

3. Command: type REGEN < enter> or select: View / Regen

NOTE: If you explode a POLYLINE it loses its width and turns into a regular line.

THE FOLLOWING IS AN EXAMPLE OF DRAWING A POLYLINE WITH WIDTH

1. Select the POLYLINE command using one of the following:

   • TYPE = PL

   • PULLDOWN = DRAW / POLYLINE

   • TOOLBAR = DRAW

   Command: _pline

2. Specify start point: place the first endpoint of the line
   Current line-width is 0. 000

3. Specify next point or [Arc/Halfwidth/Length/Undo/Width]: type w

4. Specify starting width <0. 000>: type the desired width

5. Specify ending width <0. 000>: type the desired width

6. Specify next point or [Arc/Close/Halfwidth/Length/Undo/Width]: