Search Results
| Search type | Search syntax |
|---|---|
| Tags | [tag] |
| Exact | "words here" |
| Author |
user:1234 user:me (yours) |
| Score |
score:3 (3+) score:0 (none) |
| Answers |
answers:3 (3+) answers:0 (none) isaccepted:yes hasaccepted:no inquestion:1234 |
| Views | views:250 |
| Code | code:"if (foo != bar)" |
| Sections |
title:apples body:"apples oranges" |
| URL | url:"*.example.com" |
| Saves | in:saves |
| Status |
closed:yes duplicate:no migrated:no wiki:no |
| Types |
is:question is:answer |
| Exclude |
-[tag] -apples |
| For more details on advanced search visit our help page | |
Results tagged with terra
Search options not deleted
user 133676
This tag refers to the R package terra. For questions about NASA's Terra satellite, use the tags of its sensors like aster or modis.
1
vote
1
answer
586
views
How to maintain existing layer names from input rasters when applying `terra::merge()` funct...
Layer names are carried over from input rasters when I use terra::mosaic(), but not when I use terra::merge().
terra::merge() currently results in a numbered list prefixed by "lyr". … E.g., "lyr1" "lyr2" "lyr3"
Is there an option in terra::merge() that will apply the input layer names? …
- 541
0
votes
1
answer
153
views
How to import DEM, with R Terra package, from a list containing two elements (list w/ header...
It works with the Raster package, but I'm having trouble with the proper syntax for Terra. I get an error indicating unused arguments in the code below. … Could someone please check the Terra syntax and advise what the correct code would be? …
- 541
0
votes
1
answer
117
views
Is there a limit to how many SpatRasters can be handled by terra::compareGeom() in R?
# check if extents are equal:
terra::compareGeom(dem20,
dem20_Rcls100,
vi_leafOff,
vi_leafOn,
vi_mcDif,
tpi,
tpi_Rcls, …
- 541
2
votes
2
answers
422
views
How can I crop a raster (within a function) that is used by catalog_apply() in lidR, using T...
bbox <- terra::ext(chunk)
bbox <- terra::extend(bbox, 1)
chm <- terra::crop(chm, bbox)
#bbox <- raster::extent(chunk)
#bbox <- raster::extend(bbox, 1)
#chm <- raster::crop(chm, bbox)
edits: minimal … ::ext(chunk)
# correct way:
bbox <- lidR::extent(chunk)
bbox <- terra::extend(bbox, 1)
chm <- terra::crop(chm, bbox)
return(chm)
}
opt_chunk_size(ctgNorm) <- 25
opt_progress(ctgNorm) <- TRUE …
- 541