LAS not compliant to specification after spTransform

[Jean-Romain]

library(lidR)
LASfile <- system.file("extdata", "Megaplot.laz", package="lidR")
las = readLAS(LASfile)
las2 = spTransform(las, sp::CRS(SRS_string = "EPSG:26918"))
las_check(las2)
#> 
#>  Checking the data
#>   - Checking coordinates... ✓
#>   - Checking coordinates type... ✓
#>   - Checking coordinates quantization...
#>     ✗ 81589 X coordinates were not stored with a resolution compatible with scale factor 0.01 and offset 214261.661487569
#>     ✗ 81589 Y coordinates were not stored with a resolution compatible with scale factor 0.01 and offset 5021517.24154598
#>   - Checking attributes type... ✓
#>   - Checking ReturnNumber validity... ✓
#>   - Checking NumberOfReturns validity... ✓
#>   - Checking ReturnNumber vs. NumberOfReturns... ✓
#>   - Checking RGB validity... ✓
#>   - Checking absence of NAs... ✓
#>   - Checking duplicated points... ✓
#>   - Checking degenerated ground points... ✓
#>   - Checking attribute population...
#>    ⚠ 'PointSourceID' attribute is not populated.
#>    ⚠ 'EdgeOfFlightline' attribute is not populated.
#>   - Checking gpstime incoherances ✓
#>   - Checking flag attributes... ✓
#>   - Checking user data attribute... ✓
#>  Checking the header
#>   - Checking header completeness... ✓
#>   - Checking scale factor validity... ✓
#>   - Checking point data format ID validity... ✓
#>   - Checking extra bytes attributes validity... ✓
#>   - Checking the bounding box validity...
#>     ✗ Stored resolution of 'Min X' and/or 'Max X' not compatible with 'X offset' and 'X scale factor'
#>     ✗ Stored resolution of 'Min Y' and/or 'Max Y' not compatible with 'Y offset' and 'Y scale factor'
#>   - Checking coordinate reference sytem... ✓
#>  Checking header vs data adequacy
#>   - Checking attributes vs. point format... ✓
#>   - Checking header bbox vs. actual content... ✓
#>   - Checking header number of points vs. actual content... ✓
#>   - Checking header return number vs. actual content... ✓
#>  Checking preprocessing already done 
#>   - Checking ground classification... yes
#>   - Checking normalization... yes
#>   - Checking negative outliers... ✓
#>   - Checking flightline classification... no