Error in `[.data.frame`(data, c("x", "y", "size", "colour", "linetype")) : undefined columns selected
kdizzard opened this issue · comments
I'm getting the folowing error that I can't work around or find help on:
ggplot() +
- geom_spatraster_contour(
-
data = elevation, binwidth = 250,
-
alpha = 0.7, color = "black"
- ) +
- coord_sf(expand = FALSE)
SpatRaster resampled to ncells = 501184
Error in[.data.frame
(data, c("x", "y", "size", "colour", "linetype")) :
undefined columns selected
I'm using an elevation raster:
elevation
class : SpatRaster
dimensions : 4296, 3687, 1 (nrow, ncol, nlyr)
resolution : 25, 25 (x, y)
extent : 1488688, 1580863, 466187.5, 573587.5 (xmin, xmax, ymin, ymax)
coord. ref. : NAD83 / BC Albers
source : tsa02_elev25m.tif
name : tsa02_elev25m
min value : 434
max value : 2412
when I run the following it runs w/o issue:
ggplot() +
- geom_spatraster(data = elevation) +
- scale_fill_whitebox_c(
-
palette = "muted",
-
na.value = NA,
-
name = "elevation (m)"
- )+
- labs(
-
title = "Elevation",
-
subtitle = "Boundary TSA"
- )+
- coord_sf(datum = pull_crs(elevation)) +
- theme_bw()
SpatRaster resampled to ncells = 501184
Would it be possible that you share the raster file (tsa02_elev25m.tif
I guess)?
Thanks, I’ll have a look when I can, in the meantime you can try with a pure ggplot2 approach (need latest CRAN tidyterra release, v0.3.1
) leveraging on the fortify
method added on that version:
https://dieghernan.github.io/tidyterra/reference/fortify.Spat.html
ggplot(elevation) +
geom_contour(aes(x,y, z= tsa02_elev25m), binwidth = 250) +
coord_sf(datum = pull_crs(elevation), expand=FALSE)
Hi,
With tidyterra v0.3.1
(latest CRAN release) I can't reproduce the issue, everything seems to be fine. Please make sure you have the latest version of the package. See also the sessioninfo
attached on this reproducible example
tmp <- file.path(tempdir(), "tsa02_elev25m.tif")
download.file(
"https://www.for.gov.bc.ca/ftp/HTS/external/outgoing/kelly/tsa02_elev25m.tif",
tmp,
mode = "wb"
)
library(terra)
#> terra 1.6.47
elevation <- rast(tmp)
elevation
#> class : SpatRaster
#> dimensions : 4296, 3687, 1 (nrow, ncol, nlyr)
#> resolution : 25, 25 (x, y)
#> extent : 1488688, 1580863, 466187.5, 573587.5 (xmin, xmax, ymin, ymax)
#> coord. ref. : NAD83 / BC Albers (EPSG:3005)
#> source : tsa02_elev25m.tif
#> name : tsa02_elev25m
#> min value : 434
#> max value : 2412
# Plot
library(ggplot2)
library(tidyterra)
#>
#> Attaching package: 'tidyterra'
#> The following object is masked from 'package:stats':
#>
#> filter
# No fail...
ggplot() +
geom_spatraster_contour(
data = elevation, binwidth = 250,
alpha = 0.7, color = "black"
) +
coord_sf(expand = FALSE)
#> SpatRaster resampled to ncells = 501184
# No problem...
ggplot() +
geom_spatraster(data = elevation) +
scale_fill_whitebox_c(
palette = "muted", na.value = NA,
name = "elevation (m)"
) +
labs(
title = "Elevation",
subtitle = "Boundary TSA"
) +
coord_sf(datum = pull_crs(elevation)) +
theme_bw()
#> SpatRaster resampled to ncells = 501184
Created on 2023-01-02 with reprex v2.0.2
Session info
sessioninfo::session_info()
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