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    <title>idea Identify rooms in a architect model 'version B' from rooms of a architect model 'version A' en Revit Ideas</title>
    <link>https://forums.autodesk.com/t5/revit-ideas/identify-rooms-in-a-architect-model-version-b-from-rooms-of-a/idi-p/10250739</link>
    <description>&lt;P&gt;Hello,&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;I am working in an MEP design office on the Revit API as a developer and am looking for a way to identify/retrieve rooms of a model (version B) from rooms of the same model (version A).&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;To be more precise, we are currently creating spaces in our active model from the architect's rooms (linked model).&lt;/P&gt;&lt;P&gt;Then to identify my spaces, I use the ID parameter values that the architect provides in his model.&lt;/P&gt;&lt;P&gt;When a new version of this model is received, in order for my spaces to match the new rooms, I have to delete my spaces and generate them again.&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Here is my problem: Between two versions of the model, the architect often changes the identification nomenclature of his rooms. For exemple for a given room, it can be "R_001" (version 1) and "R_01_A" (version 2)&lt;/P&gt;&lt;P&gt;How to deal with these changes of identification.&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Under these conditions, I cannot trust the ID parameter, so switching from a version A model to a B version is very difficult, without looking at the differences between the two versions of the model on a case-by-case basis.&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Have you ever faced this problem ? What could be my options ?&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&lt;SPAN&gt;Attached is a screenshot that shows the problem with a simple use case.&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&lt;SPAN&gt;Thank you for your answers &lt;img class="lia-deferred-image lia-image-emoji" src="https://forums.autodesk.com/html/@D5D66E11BC96A1C8427F98151D3E9A7A/emoticons/1f642.png" alt=":cara_con_una_leve_sonrisa:" title=":cara_con_una_leve_sonrisa:" /&gt;&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;</description>
    <pubDate>Mon, 19 Apr 2021 14:46:33 GMT</pubDate>
    <dc:creator>mathieu.josserand</dc:creator>
    <dc:date>2021-04-19T14:46:33Z</dc:date>
    <item>
      <title>Identify rooms in a architect model 'version B' from rooms of a architect model 'version A'</title>
      <link>https://forums.autodesk.com/t5/revit-ideas/identify-rooms-in-a-architect-model-version-b-from-rooms-of-a/idi-p/10250739</link>
      <description>&lt;P&gt;Hello,&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;I am working in an MEP design office on the Revit API as a developer and am looking for a way to identify/retrieve rooms of a model (version B) from rooms of the same model (version A).&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;To be more precise, we are currently creating spaces in our active model from the architect's rooms (linked model).&lt;/P&gt;&lt;P&gt;Then to identify my spaces, I use the ID parameter values that the architect provides in his model.&lt;/P&gt;&lt;P&gt;When a new version of this model is received, in order for my spaces to match the new rooms, I have to delete my spaces and generate them again.&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Here is my problem: Between two versions of the model, the architect often changes the identification nomenclature of his rooms. For exemple for a given room, it can be "R_001" (version 1) and "R_01_A" (version 2)&lt;/P&gt;&lt;P&gt;How to deal with these changes of identification.&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Under these conditions, I cannot trust the ID parameter, so switching from a version A model to a B version is very difficult, without looking at the differences between the two versions of the model on a case-by-case basis.&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Have you ever faced this problem ? What could be my options ?&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&lt;SPAN&gt;Attached is a screenshot that shows the problem with a simple use case.&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&lt;SPAN&gt;Thank you for your answers &lt;img class="lia-deferred-image lia-image-emoji" src="https://forums.autodesk.com/html/@D5D66E11BC96A1C8427F98151D3E9A7A/emoticons/1f642.png" alt=":cara_con_una_leve_sonrisa:" title=":cara_con_una_leve_sonrisa:" /&gt;&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;</description>
      <pubDate>Mon, 19 Apr 2021 14:46:33 GMT</pubDate>
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      <dc:creator>mathieu.josserand</dc:creator>
      <dc:date>2021-04-19T14:46:33Z</dc:date>
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