On Nov 14, 2011, at 7:20 PM, Carlisle Thacker wrote:
Thanks, Dennis. Yes, I can do that, but that locks the physical
units to locations of the labels. I had hoped that there might be
something a bit more flexible, like a subtitle or more general text.
If you would take the time to describe what you wanted you would save
everybody's time, yours and ours. I'm sure that levelplot's help page
refers you to the xyplot help page for details on key parameters. So
here are a few of the parameter it makes available but the entirelist
takes up several pages and is not reproduced here:
title
String or expression giving a title for the key.
cex.title
Zoom factor for the title.
lines.title
The amount of vertical space to be occupied by the title in lines (in
multiples of itself). Defaults to 2.
--
David.
Carlisle
On 11/14/11 6:03 PM, Dennis Murphy wrote:
You don't show code or a reproducible example, so I guess you want a
general answer. Use the draw.colorkey() function inside the
levelplot() call. It takes an argument key =, which accepts a list of
arguments, including space, col, at, labels, tick.number, width and
height (see p. 155 of the Lattice book). More specifically, the
labels
argument also accepts a list of values, with components at, labels,
cex, col, font, fontface and fontfamily. You could attach the units
as
labels with a combination of at = and labels = inside the (outer)
labels argument, something like
myAt<- c(1, 3, 5, 7, 9)
myLab<- paste(myAt, 'cm')
levelplot( ...
draw.colorkey(key = list(labels = list(at = myAt, labels =
myLab)),
... )
If that doesn't work, then please provide a reproducible example.
HTH,
Dennis
On Mon, Nov 14, 2011 at 12:34 PM, Carlisle Thacker
<carlisle.thac...@noaa.gov> wrote:
How to add units (e.g. "cm") to the color key of a lattice
levelplot?
The plots looks fantastic, but it would be nice to indicate
somewhere near
the end of the color key that the values associated with its
colors are in
centimeters or some other physical units.
The only thing I find is the possibility to specify the labels so
that one
explicitly includes the units. That leaves little flexibility for
positioning where this information appears. Is there a better way?
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______________________________________________
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and provide commented, minimal, self-contained, reproducible code.
David Winsemius, MD
West Hartford, CT
______________________________________________
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