> For the complete documentation index, see [llms.txt](https://help.holixa.com/be.smart-site-management/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.holixa.com/be.smart-site-management/integrations-and-extensions/pointscene-integration.md).

# Pointscene -integration

Site Management uses Pointscene API to do volume calculations between a point cloud and a LandXML surface. Pointscene -integration is separately licensed, meaning that to use it, an active subscription is needed. Contact your local Arkance company for the subscription. 

<figure><img src="/files/WOng8uACHfkLVgmxlH4Q" alt=""><figcaption><p>Pointscene -integration can be found in the Integration -menu</p></figcaption></figure>

### Before the calculations

Point clouds (LAS or LAZ -format) must be stored in the Site Management data storage to be able to execute volume calculations. There are couple of important information needed before the calculations can be done.

1. Does the point cloud have a classification ?
   * If yes, then the calculations can be done based on a specific code (eg. leave out vegetation)
   * If no, there might be higher errors in the volumes, because all the points are used in the calculation (even trees and high vegetation)
2. In which coordinate reference system the point cloud is ?
   * Find out its EPSG code

Surfaces that are to be compared against the point cloud need to be in LandXML format. The LandXML files need to be uploaded to the Site Management data storage. &#x20;

{% hint style="info" %}
In linear infrastructure projects, it is suggested to also have the alignment in LandXML. The volume calculation can be done station based if there is a LandXML alignment.&#x20;
{% endhint %}

### How to do the first volume calculation?

Open the **Pointscene** -dialog from the **Integration** -menu. The workflow of the volume calculation is roughly like this:

1. Choose the calculation type
2. Choose the point cloud -file
3. Choose the LandXML -file
4. Define the boundary of the calculation
5. Define the visualization

The following pages will cover the workflow in detail.


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