Re: white line at longitude 0

Hi,

I mean a gap is not plotted at the Greenwich Meridian (there is white
vertical line at center). It works when I put the .hluresfile in my home
directory.

Thanks much!
Chao

>
>
> cluo_at_uci.edu wrote:
>> Hi all,
>>
>> I have a troble to make the black and white plot. There is always a
>> white
>> line at longitude 0, from latitude -90 to +90. I have no idea how to do
>> it.
>> Here's URLs of my plot and ncl script.
>> http://dust.ess.uci.edu/chaoluo/fig10_bw.pdf
>> http://dust.ess.uci.edu/chaoluo/test_bw.ncl
>>
>> Thanks in advance for any help or suggestions!
>
> [1] Are you talking about the horizontal "white line"
> at the top and bottom of the plot? If so, then
> I speculate your grid does not extend to the poles.
> eg: a gaussian grid, or one that spans (say)
> -89 to +89.
> In these cases there are no data at the poles.
>
> [2] I think it has been mentioned before, please put the
> following .hluresfile in your home directory.
> Amongst other things it makes helvetica the default
> font.
>
> http://www.ncl.ucar.edu/Document/Graphics/hlures.shtml
>
> [2] Why are you doing
>
> do ilev=0,27
> do ilat=0,93
> do ilon=0,191
> deltp(ilev,ilat,ilon)=(hyblev(ilev+1)-hyblev(ilev))*sufp(ilat,ilon)
> end do
> end do
> end do
>
> There is a function for this:
>
>
> http://www.ncl.ucar.edu/Document/Functions/Built-in/dpres_hybrid_ccm.shtml
>
> It is fast and you do *not* need to preallocate the array "deltp"
>
> [3] General rule for programming .... do not hardwire sizes.
> In your do loop:
>
> do ilev=0,klvl-1
> do ilat=0,nlat-1
> do ilon=0,mlon-1
>
> [4] Use NCL's array syntax it is much faster and cleaner
>
> replace
>
> do ilev=0,27
> do ilat=0,93
> do ilon=0,191
> bcwet_tot(ilat,ilon)=bcwet_tot(ilat,ilon)+bcwet(ilev,ilat,ilon)
> end do
> end do
> end do
>
> with
> do ilev=0,klvl-1
> bcwet_tot = bcwet_tot + bcwet(ilev,:,:)
> end do
>
>
>
>>
>> Chao
>>
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>> ncl-talk_at_ucar.edu
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>

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Received on Mon Sep 24 2007 - 12:22:08 MDT