Open Data Map Sheet Distribution in 5x5 km - Map Sheet Distribution in 5x5 km Polygon
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This table contains information on map sheet divisions in a 5x5 km grid. The data is sourced from the website of Helsingin kaupunkiympäristön toimiala, which is a municipal organization in Finland. The table includes various attributes such as the extraction date, row number, ID, code, sheet size, coordinates, indices, sub-indices, municipal area, surface area, creation date, data modification date, owner, historical information, data creator, geometries in GeoJSON and GeoText formats, geometry type, centroid coordinates, and the full geometry. This data can be utilized for various data analytics purposes, such as analyzing municipal areas by surface area, identifying map sheets based on their size and location, tracking historical changes, and performing spatial analysis using the geometry information.
Field Descriptions
| Name |
Data type |
Description |
| _extract_date | date | Date when the data was extracted. |
|---|
| _row_number | long | Number representing the row in the table. |
|---|
| id | int | Unique identifier for each record. |
|---|
| tunnus | string | Specific code or symbol associated with the record. |
|---|
| lehtikoko | int | Size of the leaf or page. |
|---|
| lehtikoko0 | int | Alternate size of the leaf or page. |
|---|
| koordinaat | int | Coordinate value. |
|---|
| koordinaa0 | int | Alternate coordinate value. |
|---|
| km_indeksi | int | Index value for kilometers. |
|---|
| km_indeks0 | int | Alternate index value for kilometers. |
|---|
| km_alainde | string | Sub-index value for kilometers. |
|---|
| kunnan_alu | string | Area associated with a municipality or city. |
|---|
| pintaala | string | Total area of the record. |
|---|
| luonti_pvm | string | Date of creation of the record. |
|---|
| data_muokk | string | Information about the data modification. |
|---|
| muokkaus_p | string | Date of data modification. |
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| omistaja | string | Owner of the record. |
|---|
| historia_p | string | Historical information related to the record. |
|---|
| data_luoja | string | Creator of the data. |
|---|
| geom_geojson | string | Geographical data in GeoJSON format. |
|---|
| geom_geotext | string | Geographical data in geotext format. |
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| geom_type | string | Type of geographical data. |
|---|
| geom_centroid | string | Centroid of the geographical data. |
|---|
| geom_center_x | double | X-coordinate of the center of the geographical data. |
|---|
| geom_center_y | double | Y-coordinate of the center of the geographical data. |
|---|
| geom | binary | Geographical data. |
|---|
