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How to use GTOPO30 in IDL? [message #42222] Sun, 16 January 2005 05:17
hang.gao is currently offline  hang.gao
Messages: 4
Registered: December 2004
Junior Member
Hello, everyone,

I tried to use GTOPO30 data in IDL. My way is to read the .DEM file as
a binary formatted data file, then contour or surface it. Not only the
method is slow, it only use the .DEM file in the GTOPO30 file set
which contains 7 other files, such as .HDR, .DWM and so on.

Is there any other way which can explore GTOPO30 more fully in IDL
6.1?

Thanks,

Hang Gao

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