Select quantities by index from a ppi
# S3 method for ppi [(x, i)
x | An object of class |
---|---|
i | Indices specifying elements to extract. |
# make a ppi: my_ppi <- project_as_ppi(example_scan) # this ppi contains 5 quantities (VRADH DBZH ZDR RHOHV PHIDP): my_ppi#> Plan position indicator (class ppi) #> #> quantities: VRADH DBZH ZDR RHOHV PHIDP #> dims: 200 x 200 pixels #># This ppi only contains the first quantity (VRADH): my_ppi[1]#> Plan position indicator (class ppi) #> #> quantities: VRADH #> dims: 200 x 200 pixels #># This ppi contains the first three quantities (VRADH, DBZH, ZDR): my_ppi[1:3]#> Plan position indicator (class ppi) #> #> quantities: VRADH DBZH ZDR #> dims: 200 x 200 pixels #>