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Index Grids in SWEREF99 13 30 Coordinate System

The dataset collection in question comprises of multiple tables that are interconnected. These tables contain data that is organized in a structured format, with information distributed across various rows and columns. This structure allows for easy navigation and understanding of the data. The dataset has been sourced from the website of Lantmäteriet (The National Land Survey) in Sweden. The information in this dataset collection is significant as it provides valuable insights and can be used for various analytical purposes.

Tables

  • Geospatial Index Routes Data with Extracted Features and Geometric AttributesTSV

    The table under discussion is a collection of geographical data sourced from 'Lantmäteriet' (The Land Survey) website based in Sweden. The underlying information in the table is organised into various columns, each representing different aspects of the data collected. The dataset collection to which this table belongs focusses on geographic features specifically in the SWEREF99 13 30 coordinate system. Each row of the table is uniquely identified by a combination of the extraction date and the row number, which indicates the sequence in which the data was extracted from the source. This allows for precise tracking and referencing of each individual data entry. The geographical data included within the table was originally in shapefile format - a common format for storing geometric...

  • Version History of Base Table Rows in the SWEREF99 13 30 Index Rutor CollectionTSV

    The 'Indexrutor Sweref 13 30 History' table is a part of the 'Indexrutor Sweref99 13 30' dataset. This table is a history table, which provides a version history of base table rows. It contains unique identifiers for each row, which are formed by a combination of the row's start date and its raw row number from the data source. The table also includes the start and end dates for each row’s version, indicating when that version of the row was extracted from the source and when a new version emerged. If the end date is null, it means that version of the row is the most recent one. The table also contains geographic data, which was originally sourced in shapefile format, a common format for storing geometric location and attribute information of geographic features. The geographic data has...

Column Descriptions

Geospatial Index Routes Data with Extracted Features and Geometric Attributes

Column Type Comment
_extract_date date This column contains the date when the data on the row was extracted from the data source.
_row_number long This column contains the row number in the data extracted from the source on the extract date. It combines with '_extract_date' to uniquely identify each row.
INDEXRUTA string This column contains index data which is specific to the dataset.
geom_geojson string This column contains the GeoJSON representation of the geometrical data.
geom_geotext string This column contains the geometrical data in a text format.
geom_type string This column specifies the type of geometrical data stored in the 'geom_geojson' and 'geom_geotext' columns.
geom_centroid string This column contains the central point of the geometrical data.
geom_center_x double This column contains the x-coordinate of the center of the geometrical data.
geom_center_y double This column contains the y-coordinate of the center of the geometrical data.

Version History of Base Table Rows in the SWEREF99 13 30 Index Rutor Collection

Column Type Comment
_start_date date This column carries the date when the row was first extracted from the data source. It, along with '_row_number', uniquely identifies each row in the version history table.
_end_date date The '_end_date' column consists of the date when a new version of the row was extracted from the data source. A null value in this column signifies that the row is the most recent version.
_row_number long The '_row_number' column contains the number of the row in the raw data as it was extracted from the data source. This, combined with '_start_date', uniquely identifies each row in this version history table.
INDEXRUTA string The 'INDEXRUTA' column contains the index route from the data source.
geom_geojson string The 'geom_geojson' column stores the geometrical data of the row in the GeoJSON format.
geom_geotext string The 'geom_geotext' column contains the geometrical data of the row in textual format.
geom_type string The 'geom_type' column identifies the type of the geometrical data of the row.
geom_centroid string The 'geom_centroid' column represents the centroid of the geometrical data of the row.
geom_center_x double The 'geom_center_x' column signifies the X-coordinate of the center of the geometrical data of the row.
geom_center_y double The 'geom_center_y' column represents the Y-coordinate of the center of the geometrical data of the row.

Additional Info

Last Updated September 13, 2024
Created August 27, 2024