changing the backgournd color of an yx plot/histogramm ...

Hi,   I am searching für an attribute which allows to change the default white background of any xyplots/histograms or barcharts.   My idea is to give a special background colour for instance using the example histo_10.ncl , if one of the 3 data set reaches a special threshold. I think this method makes sense if one would imagine a busy panel plot of such histograms where e.g. the regions of the earth are investigated using the 3 datasets.   Is there already something available? my search in the ressources for "background" was not successful ...   best regards, Kristina

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Received on Fri Jun 28 09:37:18 2013