WFS Extractor

Analytic tool for GIS specialists to discover WFS layers, capabilities, and CRS information from endpoints, accelerating data cataloging and geospatial research.

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About This Tool

The WFS Extractor analyzes Web Feature Service endpoints to surface structured metadata about available layers, supported operations, and coordinate reference systems. It is designed for GIS data stewards, data catalogers, and developers who need to quickly qualify a WFS source without manual XML parsing.\n\nConceptually, the tool fetches the WFS GetCapabilities document, parses the XML, and normalizes the results into a uniform JSON schema. It identifies each feature type, the CRS, bounding boxes, and available output formats, returning a concise inventory suitable for inventory, validation, and integration planning.\n\nUnique value includes strict validation rules, robust error handling, and a deterministic output structure that supports repeatable data pipelines. It helps teams compare endpoints, detect missing layers, and verify compliance with OGC standards.\n\nUse cases include data cataloging, data discovery for portals, and automated pipelines for geospatial analytics. The tool emphasizes domain accuracy, edge case handling, and export ready data that can feed metadata catalogs, catalog search indexes, or data governance systems.

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How to Use

Provide inputs: Enter the WFS endpoint URL and optional version.
Run extraction: Invoke the extractor to fetch GetCapabilities and parse the response.
Review outputs: Inspect the layers, CRS, and bounding boxes in the JSON inventory.
Export: Save the inventory to JSON for catalogs or pipelines.
Validate: Check for missing layers, unsupported versions, or inconsistent CRS.

Frequently Asked Questions

Find Quick Answers

What is the WFS Extractor

The WFS Extractor fetches the WFS GetCapabilities document from a given endpoint and returns a structured inventory of layers, CRS support, and formats. It streamlines preliminary data discovery and cataloging for geospatial projects.

Which WFS versions are supported

The tool supports WFS 1.x and 2.0 endpoints. If an endpoint uses a different revision, it attempts the nearest compatible version and reports any limitations in the resulting inventory.

What outputs are produced

A machine readable JSON inventory including per layer metadata (name, title, CRS, bbox) and service metadata (version, title). This output is suitable for ingestion into data catalogs and automated pipelines.

How are errors reported

Errors return structured codes and messages indicating the cause (invalid URL, network failure, non OG C response, missing capabilities). Diagnostics are actionable and designed for automation rather than UI prompts.

Is authentication required

Public WFS endpoints are supported by default. If authentication is required, the tool reports an authentication error and does not attempt credential handling, preserving security best practices.

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