On 3=D4=C224=C8=D5, =C9=CF=CE=E74=CA=B135=B7=D6, "ben.bighair"
<ben.bigh...@[EMAIL PROTECTED]
> wrote:
> On Mar 22, 12:30 am, wfz...@[EMAIL PROTECTED]
wrote:
>
>
>
>
>
> > On 3=D4=C221=C8=D5, =CF=C2=CE=E710=CA=B136=B7=D6, wfz...@[EMAIL PROTECTED]
>
> > > 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?
>
> > Hi,all
>
> > I know what happen, when I use the procedure'griddata', the keyword
> > 'smoothing' is 0.05 (I specify it),so the contour plot is nothing,when
> > I change it to 0.01,the contour plot is correct.
> > then I check the help information about smoothing, just few
> > information
>
> > so I want to know , in the griddata procedure, for the Inverse
> > Distance method, how to specify the smoothing keyword correctly?
>
> > thanks
> > wenfang
>
> Hi Wenfang,
>
> I think you are not getting a response from the group (which is very
> responsive) because of the way you have framed your question. There
> isn't anything easy to framing a question well - it takes a lot of
> time - and sometimes the solution appears even as you compose the
> question! YeeHa!
>
> I happened to have questions about GridData a short while ago
(seehttp://t=
inyurl.com/2w5d2h) , and I got many productive responses. I
> think I got good responses because I made it as easy as I could on the
> newsgroup readers to help - an short reproducible example, a
> description of how I knew the results were "wrong", etc.
>
> Anyway, the short of it is I would love to help, but I can't penetrate
> the issue because you have unveiled the problem in a way I can
> understand.
>
> The one thing I can say is that I agree, the do***entation for the
> SMOOTH keyword to GridData is not helpful. There doesn't seem to be
> any reference cited for this method, but this might be a good start...
>
> http://en.wikipedia.org/wiki/Inverse_distance_weighting
>
> Cheers,
> Ben- =D2=FE=B2=D8=B1=BB=D2=FD=D3=C3=CE=C4=D7=D6 -
>
> - =CF=D4=CA=BE=D2=FD=D3=C3=B5=C4=CE=C4=D7=D6 -
thanks a lot.
English is my secend langugage,so sometimes I don't know how to
describe my problem:)
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