Description Usage Arguments Value Note Examples
View source: R/MapCanvas-methods.R
Save or retrieve the grid size from the active sqlite database.
1 2 3 | gridSize.save(con, ...)
gridSize.fetch(con)
|
con |
A connection pointing to a valid |
... |
|
list("gridSize.fetch") |
Returns a numeric vector of one unit
length containing the grid size previously saved by |
If gridSize
is not given the default grid size is computed
based on the bounding box as the range of the smallest axis /100.
1 2 3 4 5 6 7 8 9 | wd = tempdir()
dbcon = rangeMap.start(file = "test.sqlite", overwrite = TRUE, dir = wd )
global.bbox.save(con = dbcon)
gridSize.save(dbcon, gridSize = 2)
dbcon = rangeMap.start(file = "test.sqlite", overwrite = TRUE, dir = wd )
global.bbox.save(con = dbcon)
gridSize.save(dbcon)
gridSize.fetch(dbcon) #default grid size value
|
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