Re: station value problem

From: Dennis Shea (shea AT ucar.edu)
Date: Thu Aug 04 2005 - 09:09:47 MDT

  • Next message: Cecile Hannay: "read ISCCP D2"

    you may wish to format the 'sst_vals'. To do so, use sprintf

        http://www.ncl.ucar.edu/Document/Functions/Built-in/sprintf.shtml

    sst_labels = sprintf("%4.1f", sst_vals)

    On Thu, 4 Aug 2005, Mary Haley wrote:

    >
    > Jerry,
    >
    > You can use gsn_add_text to add the station values, the same way that
    > you use gsn_add_polymarker. You can then use the resource "txJust" to
    > control how the text is position with respect to the X,Y value that
    > you pass to gsn_add_text. For example, assuming your SST values are
    > in a array called "sst_vals", then your code might look like this:
    >
    > sst_labels = new(dimsizes(sst_vals),string)
    > sst_labels = sst_vals
    >
    > txres = True
    > txres@txJust = "CenterRight"
    > text = gsn_add_text(wks,sst,lon,lat,txres)
    > plot1 = gsn_add_polymarker(wks,plot,lon,lat,polyres)
    >
    > The SST labels, then, will be just to the right of each polymarker.
    >
    > --Mary
    >
    > On Thu, 4 Aug 2005, jerry wrote:
    >
    >> Hello
    >> I have some station data with latitude and longitude and SST.
    >> I use the the follow code to plot station position on the map
    >>
    >> begin
    >> f = asciiread("station.asc",(/20,4/),"float")
    >> lat = f(:,0)
    >> lon = f(:,1)
    >> res = True
    >> res@gsnDraw = False
    >> res@gsnFrame = False
    >> polyres = True
    >> polyres@gsMarkerIndex = 16
    >> polyres@gsMarkerSizeF = 5
    >> wks = gsn_open_wks("x11","test")
    >> plot = gsn_csm_map_ce(wks,res)
    >>
    >> plot1 = gsn_add_polymarker(wks,plot,lon,lat,polyres)
    >> draw(wks)
    >> frame(wks)
    >> end
    >>
    >> But i still want to draw the value(SST) beside the station point.
    >> How can i do?
    >>
    >> thanks for help
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