Rotate, Scale, Project, and Mirror a Line Entity Example (JavaScript)

This example shows how to use a math transform to rotate, scale, project, and mirror a Line entity.
  1. Start DraftSight.
  2. Using the following form:
    1. Type the coordinates of the start point of a Line.
    2. Type the coordinates of the end point of a Line.
    3. Select the transformation you want to perform.
    4. Fill in all fields for the selected transformation. Use double values unless instructed otherwise.
    5. Click Transform Line.
  3. Inspect the Output.

NOTES:

  • Errors are printed to Output.
  • To recreate this example:
  1. Right-click the topic and select to view the source.
  2. Save the file as an HTML file.
  3. Open the HTML file in your web browser.
  4. If using Windows Internet Explorer and running scripts is blocked, click the Information bar near the top of the webpage and select Allow Blocked Content.

Line:
    Start point:
         X: Y: Z:
    End point:
        X: Y: Z:
 
Transform Line by:
Translation
    Translation vector:

    X: Y: Z:

Scaling
    Scaling factor:

    Center point:

    X: Y: Z:

Rotation   
    Rotation vector:

    X: Y: Z:

    Rotation angle:
    Center point:

    X: Y: Z:

Mirroring about a point
    Point:

    X: Y: Z:

Mirroring about a Line
    Start point:

    X: Y: Z:

    End point :

    X: Y: Z:

Mirroring about a plane
    Mirror plane (type XY, ZX, or YZ):
Projection onto a plane
    Projection plane (type XY, ZX, or YZ):
    Direction vector:

    X: Y: Z:

   

Output