visualize cloudsat data

Hi,dear;
       I want to visualize cloudsat data with ncl 5.1.0. I am confusing when I run the following script.
It shows a wrong plot. I think the problem arises from the cootdinates setting (default).
I attempt to set the cootdinates, but fail. Because the cloudsat data is a two-demension datasat (a profile), and I can not obtain the latitude and/or longitude varibles for
x-cootdinate. How can I get the reasonable cootdinates?
 Thanks in advance!

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in=addfile("./data/2009168171301_16694_CS_1B-CPR_GRANULE_P_R04_E02.hdf.hdfeos","r")
printVarSummary(in)
dnames=getfilevardims(in,"ReceivedEchoPowers_1B_CPR")
print(dnames)
xwks=gsn_open_wks("X11","yjf")
yyy=in->ReceivedEchoPowers_1B_CPR
lon=in->Longitude_1B_CPR
;resources = True
;resources_at_cnFilleOn = True
;resources_at_sfXCStartV= lon
plot=gsn_contour(xwks,yyy(0:1196,:),resources)
end

-------------------------------------------------------------
Yin
2009-07-15
2009-07-15

yinjinfang

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Received on Wed Jul 15 2009 - 10:01:14 MDT