# helsinki

`https://hel.fi/models/helsinki/helsinki/views/xwl3gxuwwqw3gqqxlme2wz2rwsvhqdx4`

## Tree

One tree of the city's street and park tree register \(puurekisteri\): where it stands, its species and Finnish name, its trunk class and planting year. Smart Data Models has no tree class; the closest, GreenspaceRecord, records soil and weather readings of a green area.

| Slot | Range | Kind | Required | Multivalued | Description |
|---|---|---|---|---|---|
| location | string | GeoProperty | no | no | Where the entity is, as GeoJSON geometry. |
| name | string | LanguageProperty | no | no | The name, per language. |
| species | string | Property | no | no | The tree's scientific name, genus and species as the register writes them \(Tilia x vulgaris, Betula pendula\); \`sp.\` stands for a species the register leaves open. |
| trunkDiameterClass | TrunkDiameterClass | Property | no | no | The class of the trunk's diameter at breast height the register gives the tree. |
| plantingYear | integer | Property | no | no | The year the tree was planted, when the register knows it. |
| treeSetting | TreeSetting | Property | no | no | Whether the tree stands along a street or in a park, as the register files it. |
| treeSite | string | Property | no | no | The street or the park the tree stands in, as the register names it. |
| dataProvider | string | Property | no | no | Who publishes the data the entity was read from, as an application credits it beside the licence \(CC BY 4.0 for every feed of this space\). |
| source | uri | Property | no | no | The open-data service the entity was read from. |

## TreeSetting (enum)

Where a tree of the register stands.

- park: In a park \(puisto\).
- street: Along a street \(katu\).

## TrunkDiameterClass (enum)

The trunk diameter classes of the tree register, at breast height.

- cm0to10: Up to 10 cm.
- cm10to20: 10 to 20 cm.
- cm20to30: 20 to 30 cm.
- cm30to50: 30 to 50 cm.
- cm50to70: 50 to 70 cm.
- cm70plus: 70 cm or more.