readLAS does not have trouble at reading incompatible files

The following two files are incompatible because of difference scale factors, different CRS but yet readLAS can read them at once without even a warning> it should at least warn.

library(lidR)
#> Le chargement a nécessité le package : raster
#> Le chargement a nécessité le package : sp

LASfile1 <- system.file("extdata", "Megaplot.laz", package="lidR")
LASfile2 <- system.file("extdata", "Topography.laz", package="lidR")

readLASheader(LASfile1)
#> File signature:           LASF 
#> File source ID:           0 
#> Global encoding:
#>  - GPS Time Type: GPS Week Time 
#>  - Synthetic Return Numbers: no 
#>  - Well Know Text: CRS is GeoTIFF 
#>  - Aggregate Model: false 
#> Project ID - GUID:        00000000-0000-0000-0000-000000000000 
#> Version:                  1.2
#> System identifier:        LAStools (c) by rapidlasso GmbH 
#> Generating software:      las2las (version 171231) 
#> File creation d/y:        0/0
#> header size:              227 
#> Offset to point data:     321 
#> Num. var. length record:  1 
#> Point data format:        1 
#> Point data record length: 28 
#> Num. of point records:    81590 
#> Num. of points by return: 55756 21493 3999 342 0 
#> Scale factor X Y Z:       0.01 0.01 0.01 
#> Offset X Y Z:             0 0 0 
#> min X Y Z:                684766.4 5017773 0 
#> max X Y Z:                684993.3 5018007 29.97 
#> Variable length records: 
#>    Variable length record 1 of 1 
#>        Description: by LAStools of rapidlasso GmbH 
#>        Tags:
#>           Key 1024 value 1 
#>           Key 3072 value 26917 
#>           Key 3076 value 9001 
#>           Key 4099 value 9001
readLASheader(LASfile2)
#> File signature:           LASF 
#> File source ID:           0 
#> Global encoding:
#>  - GPS Time Type: Standard GPS Time 
#>  - Synthetic Return Numbers: no 
#>  - Well Know Text: CRS is GeoTIFF 
#>  - Aggregate Model: false 
#> Project ID - GUID:        00000000-0000-0000-0000-000000000000 
#> Version:                  1.2
#> System identifier:         
#> Generating software:      rlas R package 
#> File creation d/y:        0/2018
#> header size:              227 
#> Offset to point data:     297 
#> Num. var. length record:  1 
#> Point data format:        1 
#> Point data record length: 28 
#> Num. of point records:    73403 
#> Num. of points by return: 53538 15828 3569 451 16 
#> Scale factor X Y Z:       0.00025 0.00025 0.00025 
#> Offset X Y Z:             270000 5270000 0 
#> min X Y Z:                273357.1 5274357 788.9932 
#> max X Y Z:                273642.9 5274643 829.7582 
#> Variable length records: 
#>    Variable length record 1 of 1 
#>        Description: by LAStools of rapidlasso GmbH 
#>        Tags:
#>           Key 3072 value 2949

las = readLAS(c(LASfile1, LASfile2))

^{Created on 2020-01-17 by the reprex package (v0.3.0)}

r-lidar / lidR

readLAS does not have trouble at reading incompatible files #315