                                                                open_solids
Chapter 11 Raster Manipulation

The open_solids command turns off, or erases, all of the interior pixels of
solid areas within the raster.  The result is a clear polygonal area.  The map
need not be assembled.

open_solids

    Erases interior pixels from solid areas.

         open_solids

    Erases the interior pixels of all soild areas within the raster.  Assembly
    is not required. 
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    Options/arguments:

    None.
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    Example(s):

    To erase all of the interior pixels within solid blocks of pixels within
    the current, active raster, enter:

         open_solids
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    See also:

              fill_holes, mask, corridors
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