Takes an array of OpenLayers features and converts them into a grid data object, where each feature is mapped by its ID as the key.
The grid data objects, by id.
StaticgetReturns the feature type extracted from the feature's WFS-style id falls back to the name of the LayerLocalFile.
Optionalcontext: IGirafeContext
A feature-to-grid data converter, to show feature's properties in grid-like system.