                                                                     crit_area
Chapter 13 Set and Criteria Selection

The crit_area command sets criteria for evaluating the areas of polygon
objects.

crit_area

    Criteria: area range for polygon objects.

         crit_area area b1 b2

    Establishes criteria for set selection based upon the area of the objects
    (polygons) in the map file.  Up to 10 occurrences of this command are
    allowed.  When multiple crit_area entries exist, only one must be true for
    an object to be included in the target set.  Assembly is required.
    ___________________________________________________________________________
    Options/arguments:

         area      Area units code, where:
                   0 = pixels
                   1 = square inches (map)
                   2 = acres
                   3 = square miles
                   4 = square cm (map)
                   5 = square meters
                   6 = square kilometers
         b1        Lower bound of inclusive range
         b2        Upper bound of inclusive range
    ___________________________________________________________________________
    Example(s):

    To set three ranges of area, including <=1 map inch, between 50 and 100
    square meters and >=400 acres, enter:

         crit_area 1 0 1
         crit_area 5 50 100
         crit_area 2 400 99999999
    ___________________________________________________________________________
    See also:

              crit_clear, crit_exec, crit_length, crit_slen
    ___________________________________________________________________________
