[gradsusr] text to binary (CTL)

[diego]

Hi all

I have a text file of the form
LAT LON TOPOGRAPHY  (test.txt  attachment)
dx= 1minute ; dy= 1minute

$cat test.txt

-79    3    -2826
-78.9833333333    3    -2819.4375
-78.9666666667    3    -2805
-78.95    3    -2768.5
-78.9333333333    3    -2721
-78.9166666667   
 3    -2668.25
-78.9    3    -2612
:::::::::::::::::::::::::::::::::::::::::::::::::::
:::::::::::::::::::::::::::::::::::::::::::::::::
:::::::::::::::::::::::::::::::::::::::::::::::::::
::::::::::::::::::::::::::::::::::::::::::::::::::

-77.1833333333    1    2822.375
-77.1666666667    1    2772
-77.15    1    2861.5625
-77.1333333333    1    2990
-77.1166666667    1    3088.75
-77.1    1    3149
-77.0833333333    1    3135.125
-77.0666666667    1    3059
-77.05    1    2911.9375
-77.0333333333   
 1    2720
-77.0166666667    1    2502.375
-77    1    2271



And I want to convert to binary (CTL), to plot it whith grads.
Can anyone help me?

thanks

Diego
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