# LumiDB in brief

LumiDB lets you view, crop, filter, and export massive point cloud datasets directly in the browser. This article introduces the core features.

{% embed url="<https://youtu.be/26YMs7wPn6U>" %}

### **Browse datasets**

Click the *View datasets* icon in the top-left corner to see all datasets in your system. Each row represents a dataset and includes:

1. a color code
2. the dataset name
3. a button to center the view on the dataset
4. a button to hide or show the dataset

<div align="left"><figure><img src="https://content.gitbook.com/content/MI9s5xLuAdXOTKpfljc3/blobs/neR0H7c5KLbCu5HvjwGW/Screenshot%202025-10-16%20at%2022.55.09.png" alt="" width="375"><figcaption></figcaption></figure></div>

### **Preview on the map**

Hover over a dataset name to see its location on the map.\
![](https://content.gitbook.com/content/MI9s5xLuAdXOTKpfljc3/blobs/XFQMq2ZzlxCKWwPLmv3u/Screenshot%202025-09-12%20at%2022.19.22.png)

### **Navigate to an area**

Pan and zoom the map with your mouse to reach the area you're interested in.

\
![](https://content.gitbook.com/content/MI9s5xLuAdXOTKpfljc3/blobs/YJ9fYyVvpDXQG5TwhgbG/Screenshot%202025-09-12%20at%2022.21.27.png)

### **Select an area**

Click the *Crop* tool and draw a polygon on the map. Adjust the corners to refine the selection.<br>

<div align="left"><figure><img src="https://content.gitbook.com/content/MI9s5xLuAdXOTKpfljc3/blobs/oajkEac4fbfTJxmPwIl2/New_LumiDBlyhyesti-Valitsealue.png" alt="" width="375"><figcaption></figcaption></figure></div>

### **Filter content**

Open the *Filters* menu to hide elements such as buildings or vegetation.

<div align="left"><figure><img src="https://content.gitbook.com/content/MI9s5xLuAdXOTKpfljc3/blobs/iE6LsKkHWeDFySq8GvpU/Screenshot%202025-09-12%20at%2022.24.10.png" alt="" width="563"><figcaption></figcaption></figure></div>

### **Export to file**

Click the *Export* button. A confirmation appears and the file download starts

<div align="left"><figure><img src="https://content.gitbook.com/content/MI9s5xLuAdXOTKpfljc3/blobs/O4Ts2DoszEHbLQGvOOY6/LumiDBlyhyesti-Vieaineistotiedostoon.png" alt="" width="563"><figcaption></figcaption></figure></div>


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# Agent Instructions: Querying This Documentation

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

```
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```

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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.