Copyright Polygon Map of Helsinki, Finland
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This table contains copyright information for map polygons from the website of Helsingin kaupunkiympariston toimiala in Finland. The data includes the date the information was extracted, the row number, the copyright details, the geometry of the polygon in both GeoJSON and Geotext format, the type of geometry, the centroid of the polygon, the x and y coordinates of the center of the polygon, and the geometry itself. The data in this table can be utilized in data analytics to analyze the distribution of copyrighted map polygons, calculate the area covered by each copyright, identify patterns in the types of copyrights, and perform spatial analysis on the polygons.
Field Descriptions
| Name |
Data type |
Description |
| _extract_date | date | The date when the data was extracted. |
|---|
| _row_number | long | The row number of the data entry. |
|---|
| copyright | string | The copyright information related to the data. |
|---|
| geom_geojson | string | The geometry of the data in GeoJSON format. |
|---|
| geom_geotext | string | The geometry of the data in Geotext format. |
|---|
| geom_type | string | The type of geometry for the data. |
|---|
| geom_centroid | string | The centroid coordinates of the geometry. |
|---|
| geom_center_x | double | The x-coordinate of the center point of the geometry. |
|---|
| geom_center_y | double | The y-coordinate of the center point of the geometry. |
|---|
| geom | binary | The spatial representation of the data. |
|---|
