# Venue validation

## On site

The HOLOPLOT system use 3D models in HOLOPLOT Plan to accurately represent the arrays and venues in real life. In order to achieve precision for your system the exact array and target zone positions in your venue must be verified on site to match the HOLOPLOT Plan model before tuning. 

<figure><img src="/files/2z7gVmSR7plPpZ9ovTGV" alt=""><figcaption><p>Array Placement in Space</p></figcaption></figure>

Sometimes this means updating Coverage Beam parameters. When the model is corrected, Coverage Beams should be re-optimized before they are tuned.

{% hint style="warning" %}
Ensure you have on-site internet access to the desktop or laptop running plan on site. Beam optimization requires internet access.
{% endhint %}

## Best practices

<figure><img src="/files/80qkTGcI2VulSGki3cl8" alt=""><figcaption><p>Reference Point</p></figcaption></figure>

* Identify reference point in the venue (0,0,0)
* Mark reference measures with tape in the venue
* Adapt your model depending on the measurements taken

<figure><img src="/files/HRJ8nrnbT2L8kSUBd0nm" alt="" width="375"><figcaption><p>Draw Polygon Tool Select</p></figcaption></figure>

Use the **Draw Polygon tool** to measure the distances in your venue.

You can use the <img src="/files/BrLORjT40wH4BPxvUW5W" alt="" data-size="line">  keys to snap the tool to an axis.

If the model is incorrect, you can either rework the model in SketchUp or change the position of zones and Arrays in HOLOPLOT Plan.

<figure><img src="/files/TEV7wysgePcWdFajZEII" alt=""><figcaption><p>Cursor Z-Value</p></figcaption></figure>

Using the **Draw Polygon Tool** you are also able to identify the height of the array (bottom edge) by placing the cursor and reading the Z-value.

When your model and the beams are correct, you can export the setup and load it onto the controller.

1. Go to: **File > Export to Controller**
2. Select a name and save it as **\* .holoplot** file.<br>


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