[R] Plot 2 different fields with image.plot()

[David Winsemius]

On Nov 14, 2011, at 1:16 PM, Chris82 wrote:

> Dear R users,
>
> Is it possible to plot 2 different fields with image.plot().

There is an add parameter described on the helop page. Have you tried?
>
> For example at first a digitale elevation model and overlying  
> another data
> field, where NA values are transparent, so that the digitale  
> elevation model
> is still visble at this areas.
>
>
> Maybe there is another plotting option than image.plot where it's  
> possible?

-- 

David Winsemius, MD
West Hartford, CT