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Data frames and matrices use named or positional field selection. CSV files are read with base R. Existing columns and row order are retained.
## x y depth velocity mesohabitat_class mesohabitat
## 1 500000 4400000 0.200000 0.100000 1 Shallow Pool
## 2 500010 4400010 0.800000 0.100000 2 Medium Pool
## 3 500020 4400020 1.500000 0.100000 3 Deep Pool
## 4 500030 4400030 0.200000 0.400000 4 Slow Riffle
## 5 500040 4400040 0.200000 0.800000 5 Fast Riffle
## 6 500050 4400050 0.800000 0.400000 6 Raceway
## 7 500060 4400060 0.800000 0.800000 7 Faster than Raceway
## 8 500070 4400070 1.500000 0.800000 8 Faster than Deep Pool
## 9 500080 4400080 0.609999 0.299999 1 Shallow Pool
## 10 500090 4400090 0.610000 0.299999 2 Medium Pool
## 11 500100 4400100 1.369999 0.299999 2 Medium Pool
## 12 500110 4400110 1.370000 0.299999 3 Deep Pool
## 13 500120 4400120 0.200000 0.609999 4 Slow Riffle
## 14 500130 4400130 0.200000 0.610000 5 Fast Riffle
## 15 500140 4400140 0.800000 0.609999 6 Raceway
## 16 500150 4400150 0.800000 0.610000 7 Faster than Raceway
## 17 500160 4400160 NA 0.200000 NA <NA>
## 18 500170 4400170 0.000000 0.000000 1 Shallow PoolSpatVector objects and vector paths supported by
terra::vect() retain their geometry, CRS, feature order,
and attributes. This applies to points, lines, and polygons. GeoPackage
is preferable for examples; Shapefile export warns and uses short
class-field names.
v <- mesohabitat_example_vector()
classified_v <- classify_mesohabitat_vector(v, "depth", "velocity")
plot_mesohabitat(classified_v)
Rasters can be separate objects/paths or selected layers in one
multilayer raster. Geometry mismatches fail by default. With
align = "velocity_to_depth", velocity is projected or
resampled directly to the depth template with bilinear interpolation.
Missing CRS values are never silently assigned. assume_crs
assigns a declared CRS without transforming coordinates and reports that
distinction.
An AOI is projected to the raster CRS if necessary.
mask_aoi = TRUE performs both a crop and polygon mask;
FALSE performs only a rectangular crop.
These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.
Health stats visible at Monitor.