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Read from GML

Community Nodes Spatial Processing Read
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Reads spatial data stored in Geography Markup Language (GML) format and decodes the geometries into WKT (Well-known Text Representation) . Decodes every attribute of the spatial features as a column of a corresponding KNIME type.

Note that KML data is always assumed to be encoded in the Coordinate Reference System EPSG:4326. If you have problems with further processing of spatial data, you might try to reproject to another CRS using the "Reproject WKT geometries" node.

GML is a complex format; it is not a totally defined format, but more a family of formats which can be tuned by schemas. There is no reference validation tool for developers to ensure their code writes or reads these formats properly. As a consequence, writing and reading GML features remain an uncertain experience.

The actual decoding of the GML format is done by the geotools library .

Node details

Output ports
  1. Type: Table
    WKT entities
    The population with their attributes and WKT representation.

Extension

The Read from GML node is part of this extension:

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