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The overlay tool bar contains icons to manipulate overlay lines and text.
 Select overlay line or text item. Multi-select polygons or lines using with Shift + Ctrl click.
Note: Selected items must be same type (Polygons or Lines)
 Show attributes of the selected item.
 Add a line, polygon, contour, or fault to the map.
 Activates the "Auto Set Polygon" function. After clicking this button, the user then clicks inside an overlay polygon. The attributes (style) of the polygon is then set to predefined settings These predefined settings are set using the 'Overlay>>Edit>>Set "Auto Set Polygon" Attributes' menu.
 Add text to the map. Click 3 points. First point is the start of text baseline, second point is the end of text baseline, third point indicates text size.
 Add a "text box" by drawing a rectangle on the map. A text box contains multiple lines of horizontal text.
 Add a box or rectangle to the map.
 Add a circle or ellipse to the map. Click once for center, then drag mouse to enlarge circle, then click to set the radius.
 Draw Legend Box, add a legend to map.
 Add an Image reference to plot a Windows metafile or bitmap file. Click and drag to draw a rectangle to define the position and size of the image.
 Add an Arrow to the map. Click once at the start of arrow head, then click again for arrow tail. Use the line attributes of area fill for a solid arrow. Use the Text tool to label the interior of the arrow.
 Smooth the selected line, contour, or fault by creating a new control point between each of the current control point.
 Simplify the selected line, contour, or fault by reducing the number of control points making up the item.
 Break a line, contour or fault at the exact point where the item was selected.
 Connect the selected line, fault or contour to its nearest neighbor.
 Change the plotting order of the selected item so that it plots on top of all others.
 Change the plotting order of the selected item so that it plots behind of all others.
 Clip all graphics items that fall inside a selected rectangle.
 Clip all graphics items that fall outside a selected rectangle.
 Delete one or more control points from the selected item. After selecting an item, click the left mouse button on one or more control points, then click the right mouse button. The indicated control points will be removed.
 Add one or more control points to the selected item. After selecting an item, click the left mouse button between one or more control points, then click the right mouse button. New control points will be added between the original points.
 Display the area enclosed by the selected line.
 Undo the last edit or deletion.
 Delete the selected item.
 Clip all visible and non-read only items outside of a user-defined polygon. Click the left button to define the polygon. Click the right button when all points are defined.
 Copy the selected item into the overlay clipboard function.
 Paste the item from the overlay clipboard onto the screen.
 Displays this help screen.
 Display Layer & Preferences screen which provides global editing options.
 Imports an Overlay File from disk.
 Saves the Overlay in memory to an overlay file on disk.
 Load a "layer file" from disk. A layer file contains a single layer exported from another overlay.
 Saves (exports) a single to a layer file on disk.
 Constructs filled polygons from a layer of contour lines.
 Used to find and highlight a particular text string on the map.
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