Direction to fatten or trim the image
| Member | Value | Description |
|---|---|---|
| ciMorphAllNeighbours | 7 | Modify all neighboring pixels |
| ciMorphDiag | 4 | Modify pixels located diagonally |
| ciMorphHorz | 1 | Modify pixels located to the left and right |
| ciMorphHorzAndVert | 3 | Modify pixels located left, right, up or down |
| ciMorphVert | 2 | Modify pixels located up and down |