Steps to modify an existing design using a mouse;


1. Position the plot and scale such that the points which need to be modified can clearly be seen.

2. Click on the  button to identify a coordinate pair.

3. Move the mouse pointer over the wing window and click with the left mouse button near the coordinate pair you wish to modify.

4. A grey rectangle will appear framing the coordinate pair.

5. To move the coordinate pair, position the mouse pointer within the frame. Whilst holding the left mouse button down, drag the frame to the desired position, then let go of the left mouse button. This action will shift the position of the wing coordinate pair.

6. To move one of the coordinates belonging to the pair (you may only shift the coordinate up or down)

click on the grey  HANDLEHANDLE and drag it up or down to the desired position. 

Either of the above actions will automatically save the changes. 

To undo the change, click on the button.


To move the entire wing or tail ;

1. Position the plot and scale such that the wing or tail root is visible. (Rib 1)

2. Click on the  button to identify a coordinate pair.

3. Move the mouse pointer over the wing window and click with the left mouse button near the wing or tail root (Rib 1).

4. A grey rectangle will appear framing the coordinate pair.

5. Position the mouse pointer within the frame. Whilst holding the left mouse button down, drag the frame to the desired position, then let go of the left mouse button . This action will shift the position of the entire wing or tail.


Steps to modify an existing design using  keyboard data entry;


1. Position the plot and scale such that the points which need to be modified can clearly be seen.

2. Click on the  button to identify a coordinate pair.

3. Click on the button to show the wing coordinates screen.

4. Move the mouse pointer over the wing window and click with the left mouse button near the coordinate pair you wish to modify.

5. A grey rectangle will appear framing the coordinate pair and the coordinates will automatically

be displayed in the WING COORDINATES SCREENWING_COORDINATES_SCREEN

6 Change these coordinates as required and click on the UPDATE button.

7. When finished, click on the CLOSE button in the WING COORDINATES SCREENWING_COORDINATES_SCREEN.