Permit to draw a spline curve quadratic.
To draw a spline :
Note : On a spline dot, the cursor of the mouse change into a small arrow pointing out the direction of the straight line linking up the bordering spline’s dots.
- Push the left button of the mouse/
- Move the mouse.
- Release the button of the mouse.
- Restart from the last dot until you obtain the wanted curve.
- The curve appear on the screen with the thickness and the active outline colour.