POLYPOINT

Create a point coverage from a polygon coverage.  A point is created at the centroid of each polygon.

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POLYPOINT <in_poly_cover> <out_point_cover> {out_poly_cover} {max_perimeter}

ARGUMENTS

<in_poly_cover> - the input polygon coverage from which a point coverage is to be created.

<out_point_cover> - the name for the output point coverage.

A point is created at the centroid of each polygon in the <in_poly_cover>, unless the perimeter of the polygon is greater than the {max_perimter}.

{out_poly_cover} - the name for the output polygon coverage.

This coverage contains all of the polygons from the <in_poly_cover> that have a perimeter greater than the {max_perimeter}.

If no {out_poly_cover} is specified, then no {out_poly_cover} is created.

{max_perimeter} - the maximum perimeter of polygons from which points are to be created.

If no {max_perimeter} is specified, then a point is created from each polygon.

Polygons that have a perimeter greater than the {max_perimeter} will saved in the {out_poly_cover}.

NOTES

POLYPOINT runs from the ARC module of ArcInfo.

EXAMPLES

Arc: &run polypoint usage

Usage: POLYPOINT <in_poly_cover> <out_point_cover> {out_poly_cover} {max_perimeter}

1)  To create points from all of the buildings in a polygon coverage of buildings:

Arc: &run polypoint bldg_poly bldg_pt

2)  To create points from only small buildings in a polygon coverage of buildings:

Arc: &run polypoint bldg_poly bldg_pt bigbldg_poly 200