| ppSize |
size of region (number of pixels) |
| ppClassIx |
class number of the particle |
| ppXPos, ppYPos |
the x and y coordinates of one of the pixels |
| ppLeftEdge, ppRightEdge, ppBottomEdge, ppTopEdge |
circumscribing rectangle (parallel to the axes) |
| ppCenterX, ppCenterY |
x and y coords of the center of gravity |
| ppPC1LdX, ppPC1LdY |
x and y loadings for the main axis of the particle |
| ppLength, ppWidth |
the length and the width of the particle |
| ppDirection |
the direction of the main axis |
| ppRelevance |
the relevance of classification; this value is used in connection with classifiers |