Convert Geojson to GML- Geography Markup Language



Convert Geojson to GML

This article is about Convert GeoJSON to GML. Here we are using GDAL utility (ogr2ogr) for conversion. This conversion become useful when you just wants to study or analysis the data in text format. In GML format stores data as text in tags. It makes easy for user to understand the details of attributes. Before conversion, lets look for GeoJSON and GML (Geography Markup Language) in detail.

Convert Geojson to GML

Lets look for specification of GML and GeoJSON file before moving for conversion, as you should be aware of how the files are structured, so that if conversion has any minor error then it can be corrected. If you know specification of both the files, then you may skip and navigate to convert.

Specification of GML – Convert Geojson to GML

GML stores geographic information as text developed by the OpenGIS Consortium (OGC). GML is based on XML and it is not programming language. it is just data describing language. It provides bounding box in the starting of file in ‘Boundedby’ tag. Feature member is defined with geometry property, SRS (Spatial reference system) used, coordinates and attributes.

Convert- Geojson to GML- Geography Markup Language

Specification of GeoJSON

Geojson data is open standard format, contains simple geographical feature with non-spatial data. In type, it has feature collection. That contains name, CRS (coordinate reference system) and features. These features can be line, point, polygon, Multi-Line string and multi-polygon. Properties contains all attribute information.

Convert- Geojson to GML- Geography Markup Language

Convert Geojson to GML using GDAL utility-

For converting GeoJSON to GML we need to have GDAL library in system. you can follow the commands to download the library.

Convert- Geojson to GML- Geography Markup Language

The presence of this utility  can be tested by typing ogr2ogr in command prompt. Convert- Geojson to GML- Geography Markup Language

Now, to check the drivers available you can follow the given command,

–> ogr2ogr –formats

Convert- Geojson to GML- Geography Markup Language

Convert GeoJSON to GML is an easy process, we also can assign the SRS (Spatial reference system) to the generated output file. ogr2ogr have various options, which can be used while converting file in other format.

–> ogr2ogr -f ‘GML’ -a_srs EPSG:4326 Output_fileName.gml Input_fileName.geojson

Here -f is an option for output file format. The ‘GML’ is driver available for converting file in GML.

Output of Convert Geojson to GML-

The Generated file can be open in any test editor.

Convert- Geojson to GML- Geography Markup Language

We can also help you out in conversion like Shapefile to geopackage, KML to GML , shapefile to TopoJSON and many more.

Feel free to comment in given box for any help or suggestions.

Author: Akshay Upadhyay

Owner and Director of a Private Limited company which serves individual to large scale industries in the field of Maps and GIS. He is a Gold Medalist in M.Tech(Spatial Information Technology) and owns some famous Technology blogs and website... Know more