Displaying 1 result from an estimated 1 matches for "spatialdataframegrid".
2003 Oct 31
0
A package for spatial data classes: request for comments
...worked with Barry Rowlinson's
spatial.data.frame (found in r-asp, or rasp, also on sourceforge),
which is an S3 class. Then I restarted using S4 classes, because
they are here to stay, and allow validation.
Currently I defined three classes:
+ SpatialData
+-- SpatialDataFrame
+-- SpatialDataFrameGrid
SpatialData is only meant as a base class; it only contains a bounding
box (2D or 3D data), and information about projection (if present),
anticipating (re)projecting facilities in Roger's proj4R package.
SpatialDataFrame extends this class; holds a data frame, and the
information where in th...