Module geospatial

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This module provides functionality for working with geospatial data in Parquet file as defined in the spec.

GeospatialStatistics describes the geospatial statistics for a Parquet column.

  • bbox: the BoundingBox for the geospatial data
  • geospatial_types: the geospatial types for the geospatial data as specified in specification.

Geospatial bounding box describes the spatial extent of the geospatial data within a Parquet row group.

  • xmin, xmax: the minimum and maximum longitude values
  • ymin, ymax: the minimum and maximum latitude values
  • zmin, zmax: (optional) the minimum and maximum elevation values
  • mmin, mmax: (optional) the minimum and maximum linear reference values

In 2D representation, where x are points:

 ymax +-----------------------+
      |               x       |
      |      x                |
      |              x        |
      |      x                |
 ymin +-----------------------+
      xmin                    xmax

Modulesยง

accumulator
This module provides implementations and traits for building GeospatialStatistics
bounding_box
Bounding box for GEOMETRY or GEOGRAPHY type in the representation of min/max value pair of coordinates from each axis.
statistics
Geospatial statistics for Parquet files.