GML Viewer

Visualize and analyze Geographic Markup Language (GML) files with interactive maps and detailed feature inspection

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About This Tool

The GML Viewer is a comprehensive online tool for visualizing Geographic Markup Language files. Upload any GML file to instantly view geographic features, coordinates, and spatial data. The tool parses GML content, renders interactive visualizations, and provides detailed inspection of geographic elements including points, lines, polygons, and metadata. Perfect for GIS professionals, developers, and students working with geographic data formats.

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How to Use

Upload a GML file using the file upload area or drag-and-drop
The tool automatically parses and validates the GML structure
View the interactive visualization of geographic features
Use zoom/pan controls to explore the map
Click on features to view detailed properties and coordinates
Export the visualization as PNG or view structured data in the results panel

Frequently Asked Questions

Find Quick Answers

What is GML format?

GML (Geographic Markup Language) is an XML-based format for expressing geographical features. It's used in GIS applications to represent points, lines, polygons, and other geographic data with associated attributes.

What types of GML files can I upload?

The viewer supports standard GML files (typically .gml or .xml extensions) that follow OGC GML specifications. It can handle various feature types including points, linestrings, polygons, and multi-geometries.

Can I export the visualization?

Yes, you can export the rendered visualization as a PNG image using the export button. The tool also displays structured data about all geographic features in the results panel.

Is there a file size limit?

The tool can handle GML files up to 10MB in size. For larger files, consider using specialized desktop GIS software for optimal performance.

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