about axis

[sh zhou]

Dear All,

Could you tell me how to make the x-axis long?
in my code I did like this :
###
    program background

    integer :: i,j,k
    real,dimension(100,100)    ::    a

    open(1000,file = 'grid.dat',form = 'binary')
    do i=1,100
        do j = 1,100
            a(i,j) = 0.0
        enddo
    enddo

    write(1000) ((a(i,j), i =1,100), j=1,100)

    END
###

My ".ctl" file is :

###
dset grid.dat
title grid data
undef -999.9
xdef 100 linear 100.00 0.05
ydef 100 linear 20.00  0.10
zdef 1 levels 1000.
tdef 2 linear jan1980 1mo
vars 1
r 0 99 grid td
endvars
###

but  the x-axis is too short when displayed , there is a picture in
attachment. Please tell me shat should I do.

Thank you.

Sincerely.
--

Shenghui                Student

HuNan University .  China
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