ID Features

Option on Raster GIS menu.

• Find all contiguous regions with non missing values
• Options
  • Compute centroid of each region
  • Set a minimum region size by number of pixels
• Regions will have an integer code going from 1 up to the number of features.
• You will be required to save this file, so that the VAT table that goes with it can be located.
• This can be used, if you have sequential time grids, for Feature migration.

	Map of  features grid.  Each feature will have a different color if there are not too many features. Red squares are the centroids, which might not be within the regions
	Table accompanying grid. NPts: number of grid points in the region. Lat/Long for the centroid. Bounding box in terms of the grid coordinates.  These allow rapid searches.

Last revision 10/9/2013