By default, the annotation
object is attached to the data markers, lines, and so on, in the plot
area. For example, suppose that you create a rectangle in the plot
area next to a data marker. Suppose also that the graph changes due
to the addition or removal of titles or footnotes. The location of
the rectangle changes along with the location of the data marker even
though the plot area might change in size. In other words, the rectangle
location remains synchronized with the data location.
By default, if you move
an annotation object that was created in the plot area beyond the
plot area border, the annotation is cropped at the plot area boundary.
For most annotation
objects, you can specify that annotations created inside the plot
area act like annotations created outside the plot area (that is,
they lose their data synchronization). For details, see Change the Data Attachment Properties of an Annotation.
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By default, annotation
objects created outside the plot area are positioned relative to the
overall size of the graph. These annotation objects are not attached
to the data in the plot area.
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You can create a line
or arrow that has one end inside the plot area and the other end outside
the plot area. Only the end that was created within the plot area
is attached to the data. If the graph is resized, the attached end
stays with the data point.
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