Proj4RDF Vocabularies for spatial reference systems

This page links to vocabularies to describe spatial reference systems which have been modeled after the proj4 library and after the ISO model for spatial reference systems and extensions thereof

Core Vocabulary

• CRS Ontology Extracted from Proj4 NOT aligned to ISO vocabularies
• CRS ISO Ontology aligned with ISO vocabularies
• CRS Ontology Non ISO Parts: Additional vocabularies not found in the ISO model

Extension Vocabularies

• Coordinate System Vocabulary: A vocabulary of additional coordinate system types
• Projection Vocabulary: A vocabulary of projection types
• Grid type vocabulary: A vocabulary of grid types
• Planet Vocabulary: A vocabulary of planets and connection to spheroids
• SRS Application Vocabulary: A vocabulary of srs applications

SHACL Shapes

• ISO Ontology SHACL Shapes

Application Cases

• Proj4RDF extracted from the Proj4 database
• Moreton Island Example EPSG 7856
• Moreton Island Example EPSG 8859
• Moreton Island Example EPSG 32756

Tools

• Projection Image Generator