---
# System prepended metadata

title: ArcMap操作
tags: [Arcmap 操作]

---

###### tags: `Arcmap 操作`
# ArcMap操作
## Thiessen Polygons
:::info
**用資料表( Excel, csv )創建圖層:**
:::warning
`按 Add Data`
![](https://i.imgur.com/4c9fcbG.png)

`選 Connect To Folder 連到存檔案的Folder。
選檔案( Excel, csv )。`
![](https://i.imgur.com/WrVlxnM.png)

`匯入的檔案可於左方看到。`
![](https://i.imgur.com/BRKyAte.png)

`在該資料表上點右鍵選到Display XY Data...`
![](https://i.imgur.com/HaBbGZA.png)

`資料表中經緯度 column 會自動對應到 X Field 和 Y Field，選ok即可。`
![](https://i.imgur.com/nfdYJXi.png)


:::danger
`從Add Data 讀入的資料檔( Excel, csv )建立圖層時會顯示"Table Does Not Have Object-ID Feild"`
`因此要先將創立的圖層輸出成shp檔，用輸出的圖層去做後續使用。`
![](https://i.imgur.com/ZlVt5or.png)
![](https://i.imgur.com/5MdnjcA.png)
:::


:::info
**Thiessen Polygons Implement:**
:::warning
`圖層建立完成後，點選ArcToolbox打開工具箱。`
![](https://i.imgur.com/9SdXrmf.png)

`在ArcToolbox上按右鍵選Environment。`
![](https://i.imgur.com/4wHwKHX.png)

`在Environment Settings中打開Processing Extent。`
![](https://i.imgur.com/dLFv2uM.png)

`在Extent欄位中選到"Same as layer *Threskiomis_aethiopicus_2001*"然後ok。`
`(斜體部分為圖層的名字)`
![](https://i.imgur.com/qRn7xm8.png)

`接著，選擇Analysis Tool -> Proximity -> Create Thiessen Polygons`![](https://i.imgur.com/lX7pqT4.png)

`Input Feature 選到要做的圖層。`
`Output Feature Class 隨意選資料夾。`
`Output Fields 是要保留的feature，有all可以選。`
`都調好就選ok。`
![](https://i.imgur.com/X7D7gIH.png)

`出來的結果會如下圖。`
![](https://i.imgur.com/oJGH76V.png)

`將上圖圖層切割成地圖的樣子。`
`選到ArcToolbox -> Analysis Tools -> Extract -> Clip`
![](https://i.imgur.com/hf8GWaq.png)

`Input Features 選擇 Thiessen Polygons 的圖層。`
`Clip Features 選到地圖 layer。`
`Output Feature Class 隨意選資料夾。`
![](https://i.imgur.com/OGQcIhY.png)

`結果如下圖。`
![](https://i.imgur.com/3h0i4ni.png)
:::