Not all height rasters have a layer named 'height_canopy'

[Pakillo]

CityShadeMapper/R/make_shademap.R

Line 100 in 2b84fdc

height.mat <- terra_to_matrix(terra::subset(height.ras, "height_canopy"))

If the height raster has just one layer, use it. If more than one but no 'height_canopy' name, choose the first and warn about that