Message-ID: <7B580B9E-2192-4486-ADD9-13590A18A3FB@comcast.net>
Date: 2013-11-22T17:52:18Z
From: David Winsemius
Subject: xyz-contour plot (irregular grid)
In-Reply-To: <CAPr7RtXG-+mfUef7KFcduwXM=-vn=-S3jtROc7cW88a1nz1e9w@mail.gmail.com>
On Nov 21, 2013, at 8:35 PM, ivo welch wrote:
> Dear R users: before I try to undertake my own rewrite, has anyone already
> written a contour function that does not require a regularly spaced grid,
> preferably plot.contour(x,y,z,...)?
>
> (it would be nice if it were based on loess() and plot()? further
> annotations, changes, etc., would then be easier.)
The akima function in the package by the same name provides that facility.
--
David Winsemius
Alameda, CA, USA