Map Usage in Helsinki, Finland
Tables
-
Land Use Polygon History from Helsingin kaupunkiympariston toimiala in FinlandTSV
This table contains the version history of the 'seutukarttamaankaytto__maankayttopolygon' table. The data in this table is sourced from the website of 'Helsinki City Environment Services' and originates from Finland (ISO country code: FI). The '_start_date' column represents the date when a row was extracted from the data source, while the '_end_date' column represents the date when a new version of the row was extracted. If the value in the '_end_date' column is null, it indicates that the corresponding row is the most recent version. The table contains various columns that store information related to land use polygons, their groups, geometry, and centroids. This historical data can be used for data analytics to analyze changes in land use patterns, track the evolution of different...
-
Land Use Polygons in Helsinki, FinlandTSV
This table contains geospatial data related to land use polygons in an area. The data is sourced from the website of the 'City Environment Sector' of Helsinki, Finland (ISO country code: FI). The table provides information on various attributes such as the extraction date, row number, land use category, land use group, the polygon's geometry in GeoJSON and geotext formats, the type of geometry, the centroid of the polygon, the X and Y coordinates of the polygon's center, and the full geometry. The table can be utilized in data analytics to analyze and study land use patterns, perform spatial queries, calculate spatial statistics, conduct clustering analysis, and visualize land use distributions.
Column Descriptions
Land Use Polygons in Helsinki, Finland
Column | Type | Comment |
---|---|---|
_extract_date | date | The date on which the data was extracted. |
_row_number | long | An identifier for each row in the table. |
maankay | string | The unique identifier for each object in the dataset. |
mtryhm | int | The group to which the object belongs. |
geom_geojson | string | The geometry of the object in GeoJSON format. |
geom_geotext | string | The geometry of the object in Well-Known-Text (WKT) format. |
geom_type | string | The type of geometry of the object (e.g., Point, LineString, Polygon). |
geom_centroid | string | The centroid of the object's geometry. |
geom_center_x | double | The x-coordinate of the center point of the object's geometry. |
geom_center_y | double | The y-coordinate of the center point of the object's geometry. |
geom | binary | The geometry of the object. |
Land Use Polygon History from Helsingin kaupunkiympariston toimiala in Finland
Column | Type | Comment |
---|---|---|
_start_date | date | The start date of the validity period for the row version. |
_end_date | date | The end date of the validity period for the row version. |
_row_number | long | The number of the row version. |
maankay | string | Unknown description for column 'maankay'. |
mtryhm | int | Unknown description for column 'mtryhm'. |
geom_geojson | string | The geometry of the row version in GeoJSON format. |
geom_geotext | string | The geometry of the row version in Geotext format. |
geom_type | string | The type of geometry for the row version. |
geom_centroid | string | The centroid of the geometry for the row version. |
geom_center_x | double | The x-coordinate of the center of the geometry for the row version. |
geom_center_y | double | The y-coordinate of the center of the geometry for the row version. |
geom | binary | Unknown description for column 'geom'. |
Additional Info
Last Updated | September 13, 2024 |
---|---|
Created | October 22, 2018 |