After adding a universal device poller I got these trend lines that covered the original color coding of what I was trying to show. Instead of the purple trend lines how about just drawing the trend line in the color that matches the code in the chart. It would make it easier for everyone to read. An example is a NetApp device could have several volumes and if you wish to track them, the chart shows several purple lines with a small dot of each color as the trend. So if you had 4 volumes you would have ie a red line, a yellow line, a green line and a blue line. I just think it makes chart easier to read.
Thanks
Steve