15. The system of claim 11 , wherein a visual format of at least one a portion of the graphical element displayed that satisfy the user input highlight rules is modified relative to a format of other graphical elements that do not satisfy the user input highlight rules.
15. The system of claim 11 , wherein a visual format of at least one a portion of the graphical element displayed that satisfy the user input highlight rules is modified relative to a format of other graphical elements that do not satisfy the user input highlight rules. 18. The system of claim 15 , wherein a total range of data displayed in the graph remains unchanged after modifying the display of the graph to highlight the portions of each of the graphical elements that satisfy the user input highlight rules.