LABEL allows the user to insert a title or text label at any location in the graphic display window. ARROW allows the user to insert arrows at any location in the graphic display window. The program displays a control window, as shown in Figure 4.3.1

 

Figure 4.3.1  Label and Arrow Control Option Window

1.       DISPLAY LABEL/ARROW

Control the Label/Arrow display in the graphic display window. Default is toggled on.

2.       FONT SIZE

This function is used to control the font size of the text. Click the pull-down menu in the font size window to select different sizes. The default value is 12 Pt.

3.       ARROW

This function enables the user to select two points by cursor to draw an arrow in the graphic display window. The direction of the arrow is from the first point to the second point. The name of the arrow will be listed in the Label/Arrow window.

4.       TEXT

This function allows the user to add a text label in the graphic display window. Enter a string of characters in the field above the TEXT button. Press the TEXT button, and then select a location on the screen by the mouse cursor. The program will label the text at the selected location.

5.       DELETE

Delete an arrow or a text label. The program will highlight the corresponding arrow or text label on the screen as the user selects an arrow or text label in the list.  Click the DELETE button to delete the highlighted arrow or text label. The user may combine the Shift or Ctrl key and mouse click for multiple selections.

6.       EXIT

Exit the function.