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Irregularly Gridded Data in IDL

IDL can be used to display and analyze irregularly gridded data. IDL routines allow you to easily fit irregularly sampled data to a regular grid. This regularly gridded data can then be sent to IDL's plotting routines. In this chapter, we will see how easy it is to manipulate your irregularly gridded data.


Note
To simplify obtaining useful results from the examples in this manual, create a bitmap buffer for your graphic windows and to use a maximum of 256 colors by entering the following command at the IDL command prompt:

DEVICE, RETAIN=2, DECOMPOSED=0

  IDL Online Help (March 06, 2007)