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Editing a graphics image

Selector button

To edit any drawn calculator graphics image item (i.e. line, rectangle, circle etc) first click the selector button (shown above) and select the image item to be edited.  This can be achieved by using the mouse pointer and left clicking the associated red dots for that graphics item.  When the item has been selected the image is redrawn with dashed lines, as shown next.

Selected is a yellow rectangular box

After selecting the image, the image may be moved or its size changed by holding down the left mouse button and moving the cursor.  The center red dot allows the whole image to be moved around the screen, whilst the outside red dots allow the image to be resized, that is the width and / or height may be changed.

If the values associated with its physical structure need to be edited directly, then after selecting the image, right clicking the red dot of the image will open the editor panel at the bottom of the calculator as shown next. 

This edit box appears at the bottom of the calculator.

The values X1 and Y1 show the location of the top left red dot of the yellow rectangle being edited, and the value X2 and Y2 represent the bottom right hand red dot.

These X1,Y1,X2 and Y2 values may be edited. Once edited use the refresh button to show the changes.

The screen top left corner is referenced (X= -16) (Y= +16) and the bottom right hand corner is referenced (X= +16) (Y= -16).  The current mouse cursor position is shown just to the right of the calculator readout below the calculator keys. 

The current cursor position