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package Geo::GDAL::FFI::FeatureDefn; |
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use v5.10; |
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use strict; |
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use warnings; |
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use Carp; |
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7210
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our $VERSION = 0.0800; |
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sub new { |
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my ($class, $args) = @_; |
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$args //= {}; |
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my $name = $args->{Name} // ''; |
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my $self = bless \Geo::GDAL::FFI::OGR_FD_Create($name), $class; |
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if ($args->{Fields}) { |
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for my $field (@{$args->{Fields}}) { |
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$self->AddField(Geo::GDAL::FFI::FieldDefn->new($field)); |
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} |
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} |
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if ($args->{GeometryFields}) { |
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my $first = 1; |
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for my $field (@{$args->{GeometryFields}}) { |
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if ($first) { |
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my $d = bless \Geo::GDAL::FFI::OGR_FD_GetGeomFieldDefn($$self, 0), |
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'Geo::GDAL::FFI::GeomFieldDefn'; |
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$d->SetName($field->{Name}) if defined $field->{Name}; |
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$self->SetGeomType($field->{Type}); |
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$d->SetSpatialRef($field->{SpatialReference}) if $field->{SpatialReference}; |
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$d->SetNullable(0) if $field->{NotNullable}; |
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$first = 0; |
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} else { |
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$self->AddGeomField(Geo::GDAL::FFI::GeomFieldDefn->new($field)); |
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} |
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} |
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} else { |
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$self->SetGeomType($args->{GeometryType}); |
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} |
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$self->SetStyleIgnored if $args->{StyleIgnored}; |
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return $self; |
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} |
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sub DESTROY { |
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my $self = shift; |
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#Geo::GDAL::FFI::OGR_FD_Release($$self); |
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} |
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sub GetSchema { |
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my $self = shift; |
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my $schema = {Name => $self->GetName}; |
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for (my $i = 0; $i < Geo::GDAL::FFI::OGR_FD_GetFieldCount($$self); $i++) { |
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push @{$schema->{Fields}}, $self->GetFieldDefn($i)->GetSchema; |
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} |
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0
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for (my $i = 0; $i < Geo::GDAL::FFI::OGR_FD_GetGeomFieldCount($$self); $i++) { |
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push @{$schema->{GeometryFields}}, $self->GetGeomFieldDefn($i)->GetSchema; |
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} |
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$schema->{StyleIgnored} = 1 if $self->IsStyleIgnored; |
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return $schema; |
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} |
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59
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sub GetName { |
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my ($self) = @_; |
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return Geo::GDAL::FFI::OGR_FD_GetName($$self); |
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} |
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64
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sub GetFieldDefn { |
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1
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1
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1
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my ($self, $fname) = @_; |
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1
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50
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4
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my $i = $fname // 0; |
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1
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50
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4
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$i = Geo::GDAL::FFI::OGR_FD_GetFieldIndex($$self, $i) unless Geo::GDAL::FFI::isint($i); |
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1
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my $d = Geo::GDAL::FFI::OGR_FD_GetFieldDefn($$self, $i); |
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1
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50
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confess "No such field: $fname." unless $d; |
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1
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++$Geo::GDAL::FFI::immutable{$d}; |
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1
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return bless \$d, 'Geo::GDAL::FFI::FieldDefn'; |
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} |
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74
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sub GetFieldDefns { |
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3
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3
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1
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my $self = shift; |
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3
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my @retval; |
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3
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for my $i (0..Geo::GDAL::FFI::OGR_FD_GetFieldCount($$self)-1) { |
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1
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push @retval, $self->GetFieldDefn($i); |
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} |
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3
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return @retval; |
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} |
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sub GetGeomFieldDefn { |
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my ($self, $fname) = @_; |
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my $i = $fname // 0; |
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$i = Geo::GDAL::FFI::OGR_FD_GetGeomFieldIndex($$self, $i) unless Geo::GDAL::FFI::isint($i); |
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my $d = Geo::GDAL::FFI::OGR_FD_GetGeomFieldDefn($$self, $i); |
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confess "No such field: $fname." unless $d; |
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7
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++$Geo::GDAL::FFI::immutable{$d}; |
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return bless \$d, 'Geo::GDAL::FFI::GeomFieldDefn'; |
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} |
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sub GetGeomFieldDefns { |
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1
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my $self = shift; |
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5
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my @retval; |
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5
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for my $i (0..Geo::GDAL::FFI::OGR_FD_GetGeomFieldCount($$self)-1) { |
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7
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push @retval, $self->GetGeomFieldDefn($i); |
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} |
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5
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return @retval; |
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} |
101
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102
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sub AddFieldDefn { |
103
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0
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my ($self, $d) = @_; |
104
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13
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Geo::GDAL::FFI::OGR_FD_AddFieldDefn($$self, $$d); |
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} |
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107
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sub AddGeomFieldDefn { |
108
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2
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2
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0
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my ($self, $d) = @_; |
109
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2
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Geo::GDAL::FFI::OGR_FD_AddGeomFieldDefn($$self, $$d); |
110
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} |
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112
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sub DeleteFieldDefn { |
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1
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1
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0
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4
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my ($self, $i) = @_; |
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1
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50
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$i //= 0; |
115
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1
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50
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$i = $self->GetFieldIndex($i) unless Geo::GDAL::FFI::isint($i); |
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1
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Geo::GDAL::FFI::OGR_FD_DeleteFieldDefn($$self, $i); |
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} |
118
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119
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sub DeleteGeomFieldDefn { |
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1
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0
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my ($self, $i) = @_; |
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1
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$i //= 0; |
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1
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$i = $self->GetGeomFieldIndex($i) unless Geo::GDAL::FFI::isint($i); |
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1
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Geo::GDAL::FFI::OGR_FD_DeleteGeomFieldDefn($$self, $i); |
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} |
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126
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sub GetGeomType { |
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2
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2
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0
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my ($self) = @_; |
128
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2
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return $Geo::GDAL::FFI::geometry_types_reverse{Geo::GDAL::FFI::OGR_FD_GetGeomType($$self)}; |
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} |
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131
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sub SetGeomType { |
132
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my ($self, $type) = @_; |
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100
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$type //= 'Unknown'; |
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4
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my $tmp = $Geo::GDAL::FFI::geometry_types{$type}; |
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4
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confess "Unknown geometry type: $type." unless defined $tmp; |
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4
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Geo::GDAL::FFI::OGR_FD_SetGeomType($$self, $tmp); |
137
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} |
138
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139
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sub IsGeometryIgnored { |
140
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2
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2
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1
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5
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my ($self) = @_; |
141
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2
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13
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Geo::GDAL::FFI::OGR_FD_IsGeometryIgnored($$self); |
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} |
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144
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sub SetGeometryIgnored { |
145
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2
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1
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6
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my ($self, $i) = @_; |
146
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2
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$i //= 1; |
147
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2
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Geo::GDAL::FFI::OGR_FD_SetGeometryIgnored($$self, $i); |
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} |
149
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150
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sub IsStyleIgnored { |
151
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2
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2
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0
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6
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my ($self) = @_; |
152
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2
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11
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Geo::GDAL::FFI::OGR_FD_IsStyleIgnored($$self); |
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} |
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155
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sub SetStyleIgnored { |
156
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0
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6
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my ($self, $i) = @_; |
157
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2
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$i //= 1; |
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2
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14
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Geo::GDAL::FFI::OGR_FD_SetStyleIgnored($$self, $i); |
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} |
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161
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1; |
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163
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=pod |
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165
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=encoding UTF-8 |
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167
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=head1 NAME |
168
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169
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Geo::GDAL::FFI::FeatureDefn - A GDAL feature schema |
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171
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=head1 SYNOPSIS |
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173
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=head1 DESCRIPTION |
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175
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=head1 METHODS |
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177
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=head2 new |
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179
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$defn = Geo::GDAL::FFI::FeatureDefn->new({Fields => [...], GeometryType => 'Point'}); |
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181
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Create a new FeatureDefn object. |
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183
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The named arguments (optional) are the following. |
184
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185
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=over 4 |
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187
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=item C |
188
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189
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Optional; the name for this feature class; default is the empty |
190
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string. |
191
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192
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=item C |
193
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194
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Optional, a reference to an array of FieldDefn objects or schemas. |
195
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196
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=item C |
197
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198
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Optional, a reference to an array of GeomFieldDefn objects or schemas. |
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200
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=item C |
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Optional, the type for the first geometry field; default is |
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Unknown. Note that this argument is ignored if GeometryFields is |
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given. |
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206
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=item C |
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208
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=back |
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210
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=head2 GetSchema |
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212
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Returns the definition as a perl data structure. |
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214
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=head2 GetFieldDefn |
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216
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my $field_defn = $defn->GetFieldDefn($name); |
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218
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Get the specified non spatial field object. If the argument is |
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explicitly an integer and not a string, it is taken as the field |
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index. |
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222
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=head2 GetFieldDefns |
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224
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my @field_defns = $defn->GetFieldDefns; |
225
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226
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=head2 GetGeomFieldDefn |
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228
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my $geom_field_defn = $defn->GetGeomFieldDefn($name); |
229
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230
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Get the specified spatial field object. If the argument is explicitly |
231
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an integer and not a string, it is taken as the field index. |
232
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233
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=head2 GetGeomFieldDefns |
234
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235
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my @geom_field_defns = $defn->GetGeomFieldDefns; |
236
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237
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=head2 SetGeometryIgnored |
238
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239
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$defn->SetGeometryIgnored($arg); |
240
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241
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Ignore the first geometry field when reading features from a layer. To |
242
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not ignore the first geometry field call this method with defined but |
243
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false (0) argument. |
244
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245
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=head2 IsGeometryIgnored |
246
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247
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my $is = $defn->IsGeometryIgnored; |
248
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249
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Is the first geometry field ignored when reading features from a |
250
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layer. |
251
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252
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=head1 LICENSE |
253
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254
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This software is released under the Artistic License. See |
255
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L. |
256
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257
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=head1 AUTHOR |
258
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259
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Ari Jolma - Ari.Jolma at gmail.com |
260
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261
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=head1 SEE ALSO |
262
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263
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L |
264
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265
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L, L, L |
266
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267
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=cut |
268
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269
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__END__; |