Some question about the figure plot

Hi,
I met two questions when I draw the figure, while someone gets another
result with the same code.

I put the code and the figures (both his and mine) in the attachment.
original figure: moc3_global_total.eps
my version: control_global_eulerian.eps

First question is even I set cnLevels ="gray", the line is light blue.
Second question is the left axis goes outside the figure, even after I add
vpXF = 0.3,.

How can I solve these questions?

Best wishes

-- 
Haijin Dai
Graduate Student
Department of Atmospheric and Oceanic Sciences,
School of Physics, Peking University, Beijing, China, 100871
Email: dhj1986@gmail.com

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