Land Use Polygons in Helsinki, Finland
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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.
Field Descriptions
| Name |
Data type |
Description |
| _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. |
|---|
