Draw Line

Lines & Polylines Lesson for members of the Vectric Master Training Course:

Vectric Documentation:

Draw Line

This tool creates continuous straight lines through points clicked, entered coordinates, tangent between a point and an arc or tangent to two arcs.

Interactive - Cursor

The quickest and easiest way to draw a line is by clicking within the 2D View using the mouse.

  • Click the left mouse button to indicate the start point of your line.
  • Move the mouse pointer and click again to set the next point in your line.
  • Repeat this process to add as many line segments as you require.
  • Right-click or press Esc to finish your polyline and exit the form.
  • Alternatively press the Space bar to complete this polyline but keep the form open and begin drawing another polyline.
  • Press the Tab key to automatically close the vector.
  • A smooth bezier span can be created by clicking and dragging to modify the curvature. The next span will then also be smoothed. If you want next line to be straight line then you can press S to disable the smoothing.

Creating Tangent Lines

The polyline tool can also be used create lines that are tangent to arcs in your existing drawing.

From A Point To An Arc

To create a line tangent from a point to an arc simply enter the initial point and then hover the cursor over the arc and press T.

From An Arc To A Point

To create a line tangent from an arc to a point click on the arc to insert a point and then hover the cursor over the next point position and press T


You cannot create a tangent line to a bezier curve

From An Arc To Another Arc

To create a line tangent from one arc to another click on the arc to insert a point and then hover the cursor over the second arc and press T.


Arcs are not trimmed as a result of creating a tangent line

Quick Keys

Instead of releasing the left mouse button when you have dragged your shape to the required size, you can also type exact values during the dragging process and set properties precisely.

  • Left-click and drag out your shape in the 2D View.
  • With the left mouse button still pressed, enter a quick key sequence detailed below.
  • Release the left mouse button.

By default, entering a single value will be used to add a point at the specified distance along the line direction currently indicated by the mouse pointer position, relative to the preceding point. With polyline drawing underway, move the mouse pointer in the direction you wish to create a new line segment and type Length Value Enter to extend the line by the specified distance in that direction.

By default two values, separated by a comma, will create the next line point at the absolute X Y coordinate indicated by the two values, respectively. While drawing, type X Value, Y Value Enter to place the next point precisely at specified X and Y position


  • 3 . 5 Enter - Adds the next point at a distance of 3.5 along the line direction indicated by current mouse direction
  • 1 , 2 . 5 Enter - Adds the next point at the absolute position 1 in X and 2.5 in Y

Specifying Further Properties

By using specific letter keys after your values, you can also specify the line segment in terms of angle and length. Using the key sequence value A value L creates the next line segment at angle (A) degrees from the last point and with a length(L)


  • 45 A 3 L - Creates a line segment at 45 degrees and length 3

Next Point

You can also use the form to enter values for each line segment as you go along. The segments can be defined using :

  • The absolute X Y position of the next point
  • The Angle and Length to the next point

The relative offset in X (dx) and Y (dy) to the next point.

Once you have entered the values you wish to use :

  • Click the Add button to enter a new point.
  • The Undo button deletes the last point entered and allows a new point to be added. The Backspace shortcut can also be used for this.
  • The Finish button completes drawing the current line and leaves the form open to allow additional lines to be drawn.


The X Y position use absolute coordinates. The Angle, Length and dx/dy positions are incremental from the current position.

Click here for more live lesson replays on Lines & Polylines

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