> For the complete documentation index, see [llms.txt](https://uddtp.gitbook.io/tpgis/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://uddtp.gitbook.io/tpgis/ch6/6.2.md).

# 6.2 I3S

I3S（Indexed 3D Scene Layers）是 OGC（Open Geospatial Consortium, 開放地理空間協會）所制定關於3D資料串流技術的規範標準。都發局在發布有關3D圖台、3D建物模型之同時，一併公開介接方法，提供各界在自有軟體或平台上可以直接免費使用。

目前提供介接之項目內容及網址說明如下：

* **3D Mesh模型**
  * 公館圓環(拆除後)mesh模型：\
    <https://www.historygis.udd.gov.taipei/arcgis/rest/services/Hosted/mesh_202501/SceneServer>
  * 公館圓環(拆除前)mesh模型：\
    <https://www.historygis.udd.gov.taipei/arcgis/rest/services/Hosted/mesh_202502/SceneServer>
  * 南港軟體圈區mesh模型：\
    <https://www.historygis.udd.gov.taipei/arcgis/rest/services/Hosted/mesh_202503/SceneServer>
  * 市民大道沿線mesh模型：\
    <https://www.historygis.udd.gov.taipei/arcgis/rest/services/Hosted/mesh_202504/SceneServer>
* **全市積木模型（白模）**
  * 113年版積木模型

    <https://www.historygis.udd.gov.taipei/arcgis/rest/services/Hosted/LOD1_2024/SceneServer>
  * 112年版積木模型

    <https://www.historygis.udd.gov.taipei/arcgis/rest/services/Hosted/LOD1_2023/SceneServer>
  * 111年版積木模型

    <https://www.historygis.udd.gov.taipei/arcgis/rest/services/Hosted/LOD1_2022/SceneServer>
  * 110年版積木模型：<https://www.historygis.udd.gov.taipei/arcgis/rest/services/Hosted/LOD1_2021/SceneServer>
  * 108年版積木模型：<https://www.historygis.udd.gov.taipei/arcgis/rest/services/Hosted/LOD1_2019/SceneServer>
  * 106年版積木模型：<https://www.historygis.udd.gov.taipei/arcgis/rest/services/Hosted/LOD1_2017/SceneServer>​
  * 104年版積木模型：<https://www.historygis.udd.gov.taipei/arcgis/rest/services/Hosted/LOD1_2015/SceneServer>
* **全市仿真模型（隨機貼圖）**
  * 108年版仿真模型

    [https://www.historygis.udd.gov.taipei/arcgis/rest/services/Hosted/LOD1T\_2019/SceneServe](https://www.historygis.udd.gov.taipei/arcgis/rest/services/Hosted/LOD1T_2019/SceneServer)
  * 106年版仿真模型：<https://www.historygis.udd.gov.taipei/arcgis/rest/services/Hosted/LOD1T_2017/SceneServer>
  * 104年版仿真模型：<https://www.historygis.udd.gov.taipei/arcgis/rest/services/Hosted/LOD1T_2015/SceneServer>

介接方法請參考ArcGIS API for JavaScript說明文件：\
<https://developers.arcgis.com/javascript/latest/api-reference/esri-layers-SceneLayer.html>

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