2D Object Finder works with a data set that has been pre-processed so that features are represented with pixels containing ones and non-features are zero. EditPolygon, Threshold and FindBorder are programs in DeltaVision that can be used to prepare this pre-requisite file. The object finder creates a polygon to surround each feature in a 2D section. The polygons are shown on the input window so that the user can verify that it is correct, the polygons are stored in memory that can be seen by the EditPolygon, CutMask and volume builder and can also be saved to a file that can later be read by any of these programs.
For notes on how to approach the Modeling process, see 3D Modeling Strategies.
I/O and Region | Exclude Edge Objects | Border Size | Connectivity | Save To File | Minimum Points
Don't use objects that touch the edge of the image.
If preprocessing has been done (such as filtering) that creates a non-contiguous border, you can tell the program how big that border is so that that area will be ignored.
Connectivity of 8 is the most important to use if FindBorder was used to create the feature mask. It searches the diagonals as well as the front and side pixels for the continuation of a feature.
By hitting this button, a file selection menu will pop up so that you can provide a filename to use to save the polygon list.
Any objects with fewer points than the entered Minimum Points will be excluded.