---
name: "Geo::GDAL::FFI::FieldDefn"
section: "3pm"
platform: "linux"
package: "libgeo-gdal-ffi-perl"
version: "0.12-1"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/Geo::GDAL::FFI::FieldDefn"
---

# Geo::GDAL::FFI::FieldDefn(3pm)

A field in a GDAL feature schema

## NAME

Geo::GDAL::FFI::FieldDefn - A field in a GDAL feature schema

## SYNOPSIS

## DESCRIPTION

There should not usually be any reason to directly access this method except for the ignore methods. This object is created/read from/to the Perl data structure in the CreateLayer method of a dataset, or in the constructor or schema method of FeatureDefn.

The schema of a FieldDefn is (Name, Type, Default, Subtype, Justify, Width, Precision, NotNullable).

## METHODS

### SetIgnored

```
 $defn->SetIgnored($arg);
```

Ignore this field when reading features from a layer. To not ignore this field call this method with defined but false (0) argument.

### IsIgnored

Is this field ignored when reading features from a layer.

## LICENSE

This software is released under the Artistic License. See perlartistic.

## AUTHOR

Ari Jolma - Ari.Jolma at gmail.com

## SEE ALSO

Geo::GDAL::FFI

Alien::gdal, FFI::Platypus, \<http://www.gdal.org\>