Planar straight line graphs and triangulations

A minimal mesh with one hole mm and a map of Tasmania with multiple holes in planar straight line graph format from the RTriangle package.

Details

mm_tri is a triangulated form of mm in RTriangle triangulation format. The HOLE property is not yet set WIP.

Examples

str(mm)
#> List of 6
#>  $ P : num [1:14, 1:2] 0 0 0.2 0.2 0.3 0.5 0.5 0.5 0.69 0.75 ...
#>   ..- attr(*, "dimnames")=List of 2
#>   .. ..$ : NULL
#>   .. ..$ : chr [1:2] "x_" "y_"
#>  $ PA: num[1, 0 ] 
#>  $ PB: int 0
#>  $ S : int [1:16, 1:2] 1 2 10 12 8 11 9 3 6 7 ...
#>  $ SB: int(0) 
#>  $ H : num[0 , 1:2] 
#>  - attr(*, "class")= chr "pslg"