Geo::Geos::Noding::SegmentIntersectionDetector - Detects and records an intersection between two SegmentStrings, if one exists.
use Geo::Geos::Algorithm::LineIntersector; use Geo::Geos::Coordinate; use Geo::Geos::PrecisionModel; use Geo::Geos::Noding::NodedSegmentString; use Geo::Geos::Noding::SegmentIntersectionDetector; my $c1 = Geo::Geos::Coordinate->new(0,1); my $c2 = Geo::Geos::Coordinate->new(2,1); my $c3 = Geo::Geos::Coordinate->new(1,0); my $c4 = Geo::Geos::Coordinate->new(1,2); my $pm = Geo::Geos::PrecisionModel->new; my $ss1 = Geo::Geos::Noding::NodedSegmentString->new([$c1, $c2]); my $ss2 = Geo::Geos::Noding::NodedSegmentString->new([$c3, $c4]); my $li = Geo::Geos::Algorithm::LineIntersector->new($pm); my $sid = Geo::Geos::Noding::SegmentIntersectionDetector->new($li); # => isa 'Geo::Geos::Noding::SegmentIntersectionDetector' Geo::Geos::Noding::SegmentIntersectionDetector->new($li); # => isa 'Geo::Geos::Noding::SegmentIntersector' my $r1 = $sid->isDone; # => '' $sid->processIntersections($ss1, 0, $ss2, 0); my $r2 = $sid->isDone; # => success my $c_1 = $sid->getIntersection; # => Geo::Geos::Coordinate->new(1,1) my $c_2 = $sid->getIntersectionSegments->[0]; # => isa 'Geo::Geos::Coordinate' my $r3 = $sid->hasProperIntersection; # => success my $r4 = $sid->hasNonProperIntersection; # => ''
GEOS C++ Library
geos::noding::SegmentIntersectionDetector
Geo::Geos
Geo::Geos::Algorithm::LineIntersector
Geo::Geos::Noding::NodedSegmentString
Geo::Geos::Noding::SegmentIntersector
Ivan Baidakou <i.baydakov@crazypanda.ru>, Crazy Panda, CP Decision LTD
You may distribute this code under the same terms as Perl itself.
To install Geo::Geos, copy and paste the appropriate command in to your terminal.
cpanm
cpanm Geo::Geos
CPAN shell
perl -MCPAN -e shell install Geo::Geos
For more information on module installation, please visit the detailed CPAN module installation guide.