B-K Medical Pro Focus 2202, Руководство пользователя

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94 Chapter 5
Repositioning
a polygon
marker
Figure 5-10. Repositioning one of the markers in a polygon.
To move the entire polygon without changing its size or orientation:
1
Click inside or on the polygon.
2 Drag it.
3 Click again.
You can move the shape to any location in the view.
Moving a
polygon
Figure 5-11. Moving a polygon you have drawn.
Freehand Drawing on a B-Mode or Color Mode Image
On a B-mode or Color mode image, you can draw a closed shape freehand.
To draw freehand:
1 Click the measuring tool on the screen:
A drawing cursor appears.
2
Drag it to where you want to start drawing. Click.
A second marker appears where you clicked.
3 Drag it to draw the shape you want.
Erasing what
you have
drawn
To delete backward from the cursor, press - on the
[
+/-
]
key. The cursor is
automatically moved back. To undo the deletion, press +.
Marker repositioned. All markers positioned. Marker selected.
WARNING If the sides of the polygon intersect (as in forming a curve like a figure
eight, for example), the area calculation is incorrect. In this case, the calculated area
of the polygon is the area of the bigger loop minus the area of the smaller loop.
Entire shape selected. Entire shape repositioned. All markers positioned.