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Plot TS-matrix as a surface

I'd like to be able to plot a time-series matrix (i.e. first col contains
sorted dates, rest of cols contains non-sorted data, with headings at the
top; current format is as a zoo object) as a surface/3D chart. The function
persp() is giving me errors, even if I transform data as core data, etc.

Any suggestions / other functions available?

Thx,

PS