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problem of contour [message #59349]

Fri, 21 March 2008 07:36

wfzhao
Messages: 11
Registered: March 2008

Junior Member

Hi, all
I meet a strange problem,when I use the contour procedure to generate
precipitation contour plot,the total AWS stations is about 24, just
one has rainfall at 0.6mm,others are zero.
so I use this data and a contour plot can be created(around this
station with 0.6mm rainfall, there is few station)

but if the total stations is about 150, and the same situation that
ony this station has 0.6mm rainfall, there will be no contour plot,
which means the whole map will be the same colors presenting zero. the
distribution of stations' location is not even, some places are many
stations ,some are not. but around this station with 0.6mm rainfall
there are many stations.

by the way, my color table scale is like '0,0.2,1,2,...'
so anyone can tell me what happen?

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