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I am working with the P2_01 java app in the tutorial and the figure in this example shows a cursor on the plot, and the value of where the cursor is is displayed in the upper left corner. But when I run the example, I can't do anything but move the graph around within the frame by left clicking on it and dragging the mouse. I can also zoom in and out by shift clicking. How is the cursor and getting data implemented in this example and if it is not, is there an example in a tutorial that does show how to do this? Luke
visad
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