Messages from Usenet group comp.lang.idl-pvwave, compiled by Paulo Penteado
Hi - I'm sorry if this is too basic a question, I just can't seem to find the answer anywhere. I'm plotting a data return timeline. I'm forcing the value of good data to 0 and missing data to 9999, then plotting with a range of +/- 1. I'd like to mark the start and end of the lines with a symbol of some kind, like this: bin 1 |--------------| |--------------------| bin 2 |------------------------| bin 3 |---------------------------------| Is there a first-difference function? I could use that if I could find it, although I'd also like to skip gaps of less than a certain size. Any help will be gratefully accespted! Nan Galbraith ************************************************************ ********* * Nan Galbraith MS 29 * * Woods Hole Oceanographic Institution Woods Hole, MA 02543 * ************************************************************ *********