zvals.SpatialGridDataFrame: zvals.SpatialGridDataFrame function
Description
Method for extracting 'z values' from an object of class SpatialGridDataFrame
Usage
# S3 method for SpatialGridDataFrame
zvals(obj, ...)
See Also
xvals, yvals, zvals, xvals.default, yvals.default, zvals.default, xvals.fromXYZ, yvals.fromXYZ, zvals.fromXYZ, xvals.SpatialGridDataFrame, yvals.SpatialGridDataFrame