2D Curve: framing of the curves, operation modes of the pointer

What can be done

The available capabilities are as follows:

The pointer operation modes (of the mouse) in the display zone are presented in the table below.


mode	Icon	function
cursor		By default mode (See 2D Curve: editing / display of values )
Zoom		zoom by framing of a zone zoom only on one of the two axes
Translation on the axes		displacement of the visualization window along the two axes

The button Reset permits to retrieve the initial framing.

To carry out a zoom by framing:


Step	Action
0	Activate the zoom mode
1	Click on the desired place in the tracing area and maintain the click
2	Move the cursor to define the desired area
3	Release the click
→	The zoom of the chosen zone has been carried out For other elementary curves the zoom is done only on the X axis

To carry out a zoom on an axis:


Step	Action
0	Activate the zoom mode
1	Click on the X or Y axis at the desired departure point and maintain the click
2	Move the cursor on the axis up to the desired position
3	Release the click
→	The zoom is done only on the chosen axis, with the other axis remaining at the same scale For a zoom on the axis X, the zoom has impact on each elementary curve For a zoom on the axis Y, the zoom is only carried out on the selected elementary curve (only in the display modes « lit» and « sorted out by formulas »)

It is equally possible to zoom on one axis by activating the box « Choice of pins » (click right on the desired axis).

The user can retrieve the initial framing (initial scales) of an elementary curve by clicking on the button

Each elementary curve has its own reset button

To translate the visualization window:


Step	Action
0	Carrying out of a zoom
0	Activate the Translation mode
1	Click ..

It is equally possible to translate the visualization window on an axis by activating the box « Choice of pins » (click right on the desired axis).

To modify the pins on each of the axes the user can activate the box « Choice of pins » (click right on the desired axis).

The user can enlarge the tracing zone by hiding the legends by clicking on the corresponding "legend" button .

The legends can be displayed again by a new click.