Matching the boundary of data and map, Thanks!

Dear All,

I am plotting some regional data using lambertconformal projection.
The data go across the equator, with most of them in the Southern
Hemisphere.
res@mpLambertParallel1F = -38.0
res@mpLambertParallel2F = 8.0
res@mpLambertMeridianF = -57.3

I am hoping to have the map boundary directly along with the data boundary,
(please see attached PDF plot, which DOES NOT).

Then, I tried masked lambert conformal projection
as described at
http://www.ncl.ucar.edu/Applications/lcmask.shtml

However, this cannot work,
because the data go across the equator
and got the following information
"
(0) mask_lambert_conformal: warning: you are not authorized to specify.
(0) a maxlat that is above the equator and a minlat that is below
(0) the equator. No masking will take place.
"

Did anyone go through this before?

Any help is appreciated!

Thanks,

Best Regards,

Xiaoming

-- 
Xiaoming Sun

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