tain parameters that control the model, but no information about specific buildings or roads.
</p>

<p>
When you upload a spreadsheet the application will show a dialog asking what parameters you want to use and two other questions:
</p>

<ul class="org-ul">
<li>Whether to use new parameters where names match</li>
<li>Whether to keep old parameters with different names</li>
</ul>

<p>
These settings control how existing relationships between buildings and parameters are affected by an upload.
</p>

<p>
For 