A graphical user interface (GUI) for defining the interpolation grid.
DefineGrid(grid = NULL, parent = NULL)list. Interpolation grid object, see ‘Value’ section.
tkwin. GUI parent window
Returns an object of class list with the following components:
an integer indicating the option that will be used to define the interpolation grid. Where
opt = 1 indicates grid boundaries based on the extent of point data
and a resolution of 100 rows and 100 columns;
opt = 2 indicates grid boundaries based on the extent of point data
and a cell resolution defined by the res component;
opt = 3 indicates that the grid geometry is explicitly defined by the geo component.
numeric vector of length 2 with components x and y giving the grid spacing
along the x- and y-axis, respectively.
numeric vector of length 6 with components
nrows and ncols giving the number of rows and columns, and
xmn, xmx, ymn, and ymx giving the limits of the grid boundary
along the x- and y-axis.
# NOT RUN {
DefineGrid()
# }
# NOT RUN {
# }
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