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Webster's defines annotation as a "critical or explanatory notes added to a text." Using Khoros you are not so limited. You can add lines, circles, rectangles, and polygons of all sizes, as well as text. Anything you add to the graph may be moved at any time by clicking on it with the left mouse button and dragging the text/circle/line/rectangle/polygon to another area of the graph. You can manipulate the annotations in other ways as well.

If you wish to input or save any annotations you have made to the graph, you should use the File button. If you have not saved annotations from a previous session with xprism3, then I do not recommend trying to write one from scratch. Save one from a session and then view it with an editor. If you have saved annotations, then by all means, bring them back if you think you can use them. Remember again to put in the complete address when entering the file name, and hit enter/return once you have finished typing the address.

Some wording within the graph itself is almost always necessary if you want anyone to understand why you have chosen to graph a particular function, or many particular functions together. If you don't want anyone else to understand, you might also take into consideration the fact that you yourself may not remember what was going through your mind when you chose a particular combination. For these reasons, and many others, you have choosen to use the Text option in the Annotation window.

Your first decision is what will you say, and what will it look like? As for your Color choices, those are the same colors you had to choose from for your graph. Delete the phrase `white' if it offends you, and type in your choice. In order to view your Font options, type at the command line and you will see an extensive list of your choices. For this reason, xprism3 allows you to use the `*' wildcard. For instance, you may type in *adobe* in the Text box, and the wildcard symbols will choose the first adobe font listed to be used in the annotation. You may also try *helvetica-bold* which will use the first `helvetica bold' type found in the list. Or, of course, you may just leave the font in the fixed position. The Text option is where you type in whatever explanation or comments you may have.

If you wish to place the text using the left mouse button and dragging it along the screen, make sure that the Place by Mouse box is darkened. If you wish to place it by the keyboard, then you must enter in the lower-left x and lower-left y positions of the text. Be careful that you don't try to place the text off the graph itself. Either way, you are now ready to click on the CREATE TEXT button and create your text!

An example of the options available for each of the possible shapes is shown in Figure 16. I have used the Rectangle as an example.

The one thing that the shapes all have in common is the color and the width of the figure. For the Color, you have the options listed in Figure 13. For the width, you may either enter in a number (the system will tell whether or not the number is feasible), or you may use the center mouse button on the slide to the left to choose an available width.

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