# 5.2 2D圖台

提供圖層清單、定位查詢功能（與桌機版相同）。

![手機版圖層及定位功能操作示意圖](/files/-MP7Ifcyo49MSKryKwhC)


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# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://uddtp.gitbook.io/tpgis/ch5/5.2.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.