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<head>
<title>Text Labels</title>
</head>
<body>
<h1>Add Text Labels...</h1>
<P>
Users can add short text strings to a graph in a number of fonts, sizes,
and styles. To add a label, select the graph to be used, then choose the
<B>Add Text Labels</B> command in the <B>Edit</B> menu. The
<B>Annotations</B> window will come up.
</P>
<P>
Type in the string to be created in the top entry box and select the
appropriate display options. Only a small subset of commonly-used font
families are included in the font listing. Click the color button to
specify a color. (Note: For the first label created, the default font
values found here are obtained from the <A HREF="EditGraphs.html"><B>Edit
Graph</B></A>/<A HREF="DefaultOptions.html"><B>Set Default Options</B></A>
settings for Text Labels. For all subsequent labels, though, the values are
inheritted from the previous label created.)
</P>
<P>
The <B>Position</B> entry boxes list the coordinates at which the label is
to be placed; the position corresponds to the bottom left corner of the
text string. The values are interpretted based on the following option.
</P>
<P>
The <B>Attach To</B> radiobuttons determine how the <B>Position</B> values
are interpretted and how the text handled. The <B>Graph</B> option will
make the label a graph object which will be placed at a fixed position
relative to the graph but independent of the axes values (like the title or
axis labels). The lower-left corner of the graph is position 0,0 and the
top-right corner is 1,1. The label can be placed outside the graph as well
as inside. Zooming has no effect on it, but resizing the graph will move
the label so that its relative position is the same. This option is good
for adding notes or legends to the graph. The <B>Coordinates</B> option
will make the label a plotted object which will be placed according to the
graph's axes. If the indicated position is not within the current
bounds -- due to zooming or panning -- the label will not be displayed.
This option is good for labeling objects in images or parts of curves.
The <B>Position</B> values will be converted between these two coordinate
systems when the option is changed.
</P>
<P>
The <B>Add</B> button creates a new label. The <B>Delete</B> button
removes the current label from the graph. And the <B>Apply</B> button
modifies the current label.
</P>
<P>
Once created, labels can be repositioned by dragging them with the left
mouse button. If a label is attached to a graph's <B>Coordinates</B> and
you drag it outside the graph, the label will disappear when dropped. The
label still exists, but is just positioned outside the graph's axes range.
Alter the axes to display the labels new position.
</P>
<P>
Double-clicking a label will bring up the <B>Annotations</B> window, if it
doesn't already exist, with the label's information. When this window is
open, a single-click is sufficient for selecting a different label for
editting.
</P>
</body>
</html>
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