NAME

Geo::Geos::Geometry - Basic implementation of Geometry

SYNOPSIS

use Geo::Geos::Coordinate;
use Geo::Geos::Dimension;
use Geo::Geos::Geometry;
use Geo::Geos::GeometryFactory;

my $gf = Geo::Geos::GeometryFactory::create();

my $c1 = Geo::Geos::Coordinate->new(1,2);
my $c2 = Geo::Geos::Coordinate->new(5,2);
my $c3 = Geo::Geos::Coordinate->new(5,0);
my $c4 = Geo::Geos::Coordinate->new(1,0);

my $g0 = $gf->createLinearRing([$c1, $c2, $c3, $c4, $c1], 2);   # => isa 'Geo::Geos::Geometry'
my $g1 = $gf->createPolygon($g0);                               # => isa 'Geo::Geos::Geometry'

$g1->isSimple;                  # => success
$g1->getNumPoints;              # => 5;
$g1->getDimension;              # => TYPE_A
$g1->getCoordinateDimension;    # => 2
$g1->getCoordinate;             # => isa 'Geo::Geos::Coordinate'

$g1->setSRID(5);
$g1->getSRID;       # => 5

$g1->getArea;    # => 8;
$g1->getLength;  # => 12;
$g1->clone;      # => isa 'Geo::Geos::Geometry'

$g1->distance($g0);                 # => 0
$g1->isWithinDistance($g1, 0.1);    # => success

$g1->getGeometryType;   # => is 'Polygon'
$g1->getGeometryTypeId; # => is TYPE_GEOS_POLYGON

$g1->getBoundary;           # => isa 'Geo::Geos::Geometry'
$g1->getBoundaryDimension;  # => 1

$g1->equalsExact($g1);      # => success
$g1->equalsExact($g1, 1.2); # => success
$g1->compareTo($g1);        # => 0

$g1->getNumGeometries;              # => 1;
$g1->getGeometryN(0);               # => isa 'Geo::Geos::Geometry'
my $r = ref($g1->getCoordinates);   # => 'ARRAY'
$g1->getCoordinate;                 # => isa 'Geo::Geos::Coordinate'

$g1->getPrecisionModel->isFloating;     # => success

$g1->getCentroid->getGeometryType;      # => 'Point'
$g1->getInteriorPoint->getGeometryType; # => 'Point'

# operations
$g1->symDifference($g1);    # => isa 'Geo::Geos::Geometry'
$g1->difference($g1);       # => isa 'Geo::Geos::Geometry'
$g1->Union($g1);            # => isa 'Geo::Geos::Geometry'
$g1->intersection($g1);     # => isa 'Geo::Geos::Geometry'

$g1->convexHull;    # => isa 'Geo::Geos::Geometry'

$g1->buffer(1);                     # => isa 'Geo::Geos::Geometry'
$g1->buffer(1, 2);                  # => isa 'Geo::Geos::Geometry'
$g1->buffer(1, 3, TYPE_CAP_FLAT);   # => isa 'Geo::Geos::Geometry'

$g1->toText;    # => like qr/POLYGON/
$g1->toString;  # => like qr/POLYGON/

# relations
$g1->covers($g1);       # => success
$g1->coveredBy($g1);    # => success
$g1->equals($g1);       # => success
$g1->overlaps($g1);     # => ''
$g1->contains($g1);     # => success
$g1->within($g1);       # => success
$g1->crosses($g1);      # => ''
$g1->intersects($g1);   # => success
$g1->touches($g1);      # => ''
$g1->disjoint($g1);     # => ''

$g1->getEnvelope;       # => isa 'Geo::Geos::Geometry'
$g1->isRectangle;       # => success
$g1->isValid;           # => success
$g1->isEmpty;           # => ''
$g1->isSimple;          # => success

$g1->relate($g1);       # => isa 'Geo::Geos::IntersectionMatrix'
$g1->normalize;

SEE ALSO (C++ classes docs)

GEOS C++ Library

geos::geom::Geometry

EXPORTS CONSTANTS

TYPE_GEOS_POINT

TYPE_GEOS_LINESTRING

TYPE_GEOS_LINEARRING

TYPE_GEOS_POLYGON

TYPE_GEOS_MULTIPOINT

TYPE_GEOS_MULTILINESTRING

TYPE_GEOS_MULTIPOLYGON

TYPE_GEOS_GEOMETRYCOLLECTION

TYPE_CAP_ROUND

TYPE_CAP_FLAT

TYPE_CAP_SQUARE

SEE ALSO

Geo::Geos::Coordinate

Geo::Geos::Dimension

Geo::Geos::Envelope

Geo::Geos::GeometryFactory

Geo::Geos::GeometryCollection

Geo::Geos::LinearRing

Geo::Geos::LineString

Geo::Geos::MultiLineString

Geo::Geos::MultiPoint

Geo::Geos::MultiPolygon

Geo::Geos::Point

Geo::Geos::Polygon

Geo::Geos::Prep::Geometry

AUTHOR

Ivan Baidakou <i.baydakov@crazypanda.ru>, Crazy Panda, CP Decision LTD

LICENSE

You may distribute this code under the same terms as Perl itself.