find the plotting dimensions for quilt.plot when using a regular grid
Source:R/getPlotDimensions.R
      getPlotdimensions.Rdfind the plotting dimensions for quilt.plot when using a regular grid
Arguments
- x.pos
- Vector of x-coordinates in dataset 
- y.pos
- Vector of y-coordinates in dataset 
- segmentWidth
- Width of each grid cell of data (in same units as - x.pos)
- segmentLength
- Length of each grid cell of data (in same units as - y.pos)
Examples
#' # load data
data(ns.data.re)
getPlotdimensions(ns.data.re$x.pos, ns.data.re$y.pos, segmentWidth=500, segmentLength=500)
#> [1] 12 16