NAME: rddat PURPOSE: Display the X and Y value of the cursor in a plot CATEGORY: 2-D plotting CALLING SEQUENCE: rddat INPUTS: None. OUTPUTS: None. COMMON BLOCKS: None. SIDE EFFECTS: The X, Y and data values of plot under the cursor are constantly displayed. Pressing left or center mouse button, makes a new line of output, saving the old. Pressing right mouse button, exits the procedure. RESTRICTIONS: None. PROCEDURE: Straightforward. MODIFICATION HISTORY: DMS, Dec, 1987. cloned from RDPIX by Marc W. Buie, March 1991. 98/06/27, MWB, converted from !err to !mouse 99/05/28, MWB, added kludge fix for operation on a Windows platform. Unless RSI implements
(no line feed) this routine (and rdpix) are not fully useful.