Description Usage Arguments Details Value Author(s) Examples
Raster image (ursaRaster
) contains embedded spatial parameters (ursaGrid
) in item $grid
. These functions manipulate with item $grid
.
1 2 3 4 5 6 7 8 9 10 11 12 | ursa_grid(obj)
ursa_grid(obj) <- value
ursa_ncol(obj)
ursa_nrow(obj)
ursa_columns(obj)
ursa_rows(obj)
ursa_samples(obj)
ursa_lines(obj)
ursa_extent(obj)
ursa_bbox(obj)
|
obj |
|
value |
|
ursa_grid<-
may used to minor corrections of spatial parameters. Howevert, it seems that this function is not claimed in practice.
ursa_ncol
, ursa_columns
, ursa_samples
are synonyms for extracting number of columns/samples.
ursa_nrow
, ursa_rows
, ursa_lines
are synonyms for extracting number of rows/lines.
ursa_extent
, ursa_bbox
, are synonyms for extracting boundary box (spatial extent).
ursa_grid
return value of $grid
item of ursaRaster
object.
ursa_grid<-
return ursaRaster
with modified $grid
item.
ursa_ncol
, ursa_columns
, ursa_samples
return integer of length 1.
ursa_nrow
, ursa_rows
, ursa_lines
return integer of length 1.
ursa_extent
, ursa_bbox
return numeric of length 4 (xmin, ymin, xmax, ymax).
Nikita Platonov platonov@sevin.ru
1 2 3 4 5 |
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