6 Plotting Data

One of the most common uses of IDL is to create plots. You might want to quickly plot the results of an experiment or computation to see if there is a trend, or to check for anomalies, or you might need to create a publication-quality figure for inclusion in a scientific or technical paper. If you work in the geosciences, you might need to plot geographically distributed data on a map. Whatever your plotting needs may be, there is usually a way to get the job done in IDL. The interactive nature of IDL means that you may need to redisplay the plot several (or many!) times on-screen in order to configure it precisely the way you wish. However, the flexibility of the low-level plotting routines in IDL means that you can tweak plot ...

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