There's also Luke's own site, in particular http://www.stat.uiowa.edu/ ~luke/R/weakfinex.html
On Dec 12, 2005, at 12:16 AM, Prof Brian Ripley wrote: > On Mon, 12 Dec 2005, Roger Bivand wrote: > >>> Where would be best to read about externalptr? I'm having trouble >>> finding material in the manuals or the site-search. >>> >>> And would I need to use all the .Call machinery and C headers and >>> SEXP >>> etc in order to handle externalptr objects? >> >> One package using externalptr is rgdal - Tim Keitt wrote the >> bindings to >> the external GDAL library for reading raster images to first return a >> pointer to a dataset (on disk) opened by GDAL, then to use the >> object to >> retrieve (parts of) the data. Most of the .Call/SEXP machinery is >> there >> (for the C++ case, GDAL is C++, so GDAL manages its own memory for >> its >> objects). The package also uses S4 classes, which may be overkill >> for your >> purposes. > > RODBC is another, somewhat simpler, one. > > There is documentation on developer.r-project.org, but my > recollection is > that is was not up to date (and in particular not re finalizers). > On my > TODO list is to add end-user documentation to `Writing R Extensions'. > > -- > Brian D. Ripley, [EMAIL PROTECTED] > Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/ > University of Oxford, Tel: +44 1865 272861 (self) > 1 South Parks Road, +44 1865 272866 (PA) > Oxford OX1 3TG, UK Fax: +44 1865 272595 > > ______________________________________________ > R-devel@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-devel --- Byron Ellis ([EMAIL PROTECTED]) "Oook" -- The Librarian ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel
