The data is interpolated onto the solution area in a choice of ways
from simply
filling polygons with the color value at the center to subdividing each
triangle into ten smaller triangles. Where more than one pool is present in
the reaction scheme, the one to display can be selected with the species
slider.
user interface: ReacDiff2ResultsEditor
|     field |     type   |     contents / default value |     |
| iview | choice | variable: iview type: choice | |
| species | integer | 0 | variable: species type: integer |