Get the history of a spatial object.
getHistory(x, ...) # S4 method for ANY getHistory(x) # S4 method for geom getHistory(x) # S4 method for Raster getHistory(x)
| x | the object from which to derive the history. |
|---|---|
| ... | other arguments. |
A list of the events that lead to x.
Other getters:
getCRS(),
getCols(),
getExtent(),
getFeatures(),
getGroups(),
getLayers(),
getNames(),
getPoints(),
getRes(),
getRows(),
getType(),
getWindow()
library(tibble) tibble(x = c(40, 70, 70, 50), y = c(40, 40, 60, 70)) %>% gs_polygon() %>% gt_reflect(angle = 45) %>% getHistory() #> [[1]] #> [1] "object was created as 'polygon' geom." #> #> [[2]] #> [1] "geom was reflected." #> getHistory(gtGeoms$line) #> [[1]] #> [1] "the object was loaded from memory" #> gc_raster(gtGeoms$grid$categorical) %>% getHistory() #> [[1]] #> [1] "the object was loaded from memory" #> #> [[2]] #> [1] "raster 'categorical_grid_geom' was transformed from an object of class geom." #> getWindow(x = matrix(0, 3, 5)) #> # A tibble: 2 × 2 #> x y #> <dbl> <dbl> #> 1 0 0 #> 2 5 3