| ISCALE | scale |
| 0 | linear |
| 1 | logarithmic |
| 2 |
sinh
|
| LINES | line drawing option |
| 0 | all triangle edges |
| 1 | boundary/interface edges |
| 2 | load balance boundary edges |
| 3 | contours |
| -1 | underlying graphics triangulation |
| NUMBRS | labeling option |
| 0 | no labels |
| 1 | triangles/subregions |
| 2 | vertices |
| 3 | edges |
| 4 | curved edges |
| 5 | edge type |
| 6 | edge labels |
| 7 | processor |
| 8 | vertex type |
| 9 | degrees of freedom |
| MPIRGN | image option |
| 0 | all processors contribute |
|
draw image from processor 
|
| ICRSN | coarsening option |
| 0 | no coarsening |
| 1 | coarsen global subspace |