NAME

Geo::Geos::Envelope - Defines a rectangulare region of the 2D coordinate plane

SYNOPSIS

            

              
              
use Geo::Geos::Coordinate;
use Geo::Geos::Envelope;
Geo::Geos::Envelope->new->isNull;    # => success
my $e1 = Geo::Geos::Envelope->new(1, 2, 3, 4);
$e1->toString;  # => "Env[1:2,3:4]"
my $c1 = Geo::Geos::Coordinate->new(1,3);
my $c2 = Geo::Geos::Coordinate->new(2,4);
my $e2 = Geo::Geos::Envelope->new(1, 2, 3, 4);
my $e3 = Geo::Geos::Envelope->new($c1);
$e3->centre;    # => is Geo::Geos::Coordinate->new(1,3)
my $e4 = Geo::Geos::Envelope->new;
$e4->init(1, 2, 3, 4);
$e4->init($c1, $c2);
$e4->init($c1);
$e4->setToNull;
$e4->isNull;    # => success
$e2->getArea;   # => 1
$e2->getMinX;   # => 1
$e2->getMinY;   # => 3
$e2->getMaxX;   # => 2
$e2->getMaxY;   # => 4
$e2->getWidth;  # => 1
$e2->getHeight; # => 1
$e2->contains($e3);     # => success
$e2->covers($e3);       # => success
$e2->intersects($e3);   # => success
my $c01 = Geo::Geos::Coordinate->new(0,0);
my $c02 = Geo::Geos::Coordinate->new(3,3);
my $q01 = Geo::Geos::Coordinate->new(1,1);
my $q02 = Geo::Geos::Coordinate->new(5,5);
Geo::Geos::Envelope::intersects($c01, $c02, $q01);           # => success
Geo::Geos::Envelope::intersects($c01, $c02, $q01, $q02);     # => success
my $e6 = Geo::Geos::Envelope->new(0, 1, 0, 1);
$e6->translate(1,1);
$e6->toString;       # => is 'Env[1:2,1:2]'
$e6->expandBy(1,1);
$e6->toString;       # => is 'Env[0:3,0:3]'
$e6->expandToInclude(Geo::Geos::Envelope->new(0, 4, 0, 4));
$e6->toString;       # => is 'Env[0:4,0:4]'
$e2->intersection($e6);     # => isa 'Geo::Geos::Envelope'
$e6->distance($e6); # => 0;
            
          

SEE ALSO (C++ classes docs)

GEOS C++ Library

geos::geom::Envelope

SEE ALSO

Geo::Geos

Geo::Geos::Coordinate

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.