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    <title>idea Using A filter in Filter Rules en Revit Ideas</title>
    <link>https://forums.autodesk.com/t5/revit-ideas/using-a-filter-in-filter-rules/idi-p/6505068</link>
    <description>&lt;P&gt;If we are always going to be limited to 3 filter rules (or 8 rules for schedule filters) then i would like to have the ability to "stack" filters.&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&lt;/P&gt;
&lt;P&gt;Essentially - now that the "or" has been added to the roadmap (see &lt;A href="https://forums.autodesk.com/t5/revit-ideas/quot-or-quot-in-filter-rules/idi-p/6322629" target="_blank"&gt;http://forums.autodesk.com/t5/revit-ideas/quot-or-quot-in-filter-rules/idi-p/6322629&lt;/A&gt; ) then we may need more rules to define Case A OR Case B.&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&lt;/P&gt;
&lt;P&gt;Currently - you set categories to test against the filter you are creating - then you pick a parameter that elements of that category could contain - then a test (equals, begins with, etc) - and you get a Yes/N0&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&lt;/P&gt;
&lt;P&gt;Enter the filter within a filter - adding in a rule test of "Passes Filter" or "Does Not Pass Filter". So this would be in addition to the current rules capabilities - instead of picking a parameter to test if it equals or starts with or contains, you pick a Filter &amp;nbsp;- then choose to test whether the elements in the category pass or do not pass the filter.&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&lt;/P&gt;
&lt;P&gt;Example:&lt;/P&gt;
&lt;P&gt;I have a filter for Concrete Walls, CMU walls, Loadbearing Walls, Shear Walls,&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&lt;/P&gt;
&lt;P&gt;Suppose i want to create a filter that would pass all concrete and cmu loadbearing shear walls but exclude wood shear walls, metal stud shear walls, cmu non-loadbearing infill walls, and non-shear concrete walls.. &amp;nbsp;There's a lot of rules required to test all that - and they wont fit in the current 3 (or perhaps even the schedule 8). &amp;nbsp;(Not to mention that re-entering most of those rules i've already created makes little sense). &amp;nbsp;If i could simply leverage the existing filters i've already got in the creation of my new filter by testing if the pass a set of filters - it would make things much faster/cleaner.&lt;/P&gt;</description>
    <pubDate>Mon, 05 Sep 2016 13:33:02 GMT</pubDate>
    <dc:creator>bosborne</dc:creator>
    <dc:date>2016-09-05T13:33:02Z</dc:date>
    <item>
      <title>Using A filter in Filter Rules</title>
      <link>https://forums.autodesk.com/t5/revit-ideas/using-a-filter-in-filter-rules/idi-p/6505068</link>
      <description>&lt;P&gt;If we are always going to be limited to 3 filter rules (or 8 rules for schedule filters) then i would like to have the ability to "stack" filters.&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&lt;/P&gt;
&lt;P&gt;Essentially - now that the "or" has been added to the roadmap (see &lt;A href="https://forums.autodesk.com/t5/revit-ideas/quot-or-quot-in-filter-rules/idi-p/6322629" target="_blank"&gt;http://forums.autodesk.com/t5/revit-ideas/quot-or-quot-in-filter-rules/idi-p/6322629&lt;/A&gt; ) then we may need more rules to define Case A OR Case B.&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&lt;/P&gt;
&lt;P&gt;Currently - you set categories to test against the filter you are creating - then you pick a parameter that elements of that category could contain - then a test (equals, begins with, etc) - and you get a Yes/N0&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&lt;/P&gt;
&lt;P&gt;Enter the filter within a filter - adding in a rule test of "Passes Filter" or "Does Not Pass Filter". So this would be in addition to the current rules capabilities - instead of picking a parameter to test if it equals or starts with or contains, you pick a Filter &amp;nbsp;- then choose to test whether the elements in the category pass or do not pass the filter.&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&lt;/P&gt;
&lt;P&gt;Example:&lt;/P&gt;
&lt;P&gt;I have a filter for Concrete Walls, CMU walls, Loadbearing Walls, Shear Walls,&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&lt;/P&gt;
&lt;P&gt;Suppose i want to create a filter that would pass all concrete and cmu loadbearing shear walls but exclude wood shear walls, metal stud shear walls, cmu non-loadbearing infill walls, and non-shear concrete walls.. &amp;nbsp;There's a lot of rules required to test all that - and they wont fit in the current 3 (or perhaps even the schedule 8). &amp;nbsp;(Not to mention that re-entering most of those rules i've already created makes little sense). &amp;nbsp;If i could simply leverage the existing filters i've already got in the creation of my new filter by testing if the pass a set of filters - it would make things much faster/cleaner.&lt;/P&gt;</description>
      <pubDate>Mon, 05 Sep 2016 13:33:02 GMT</pubDate>
      <guid>https://forums.autodesk.com/t5/revit-ideas/using-a-filter-in-filter-rules/idi-p/6505068</guid>
      <dc:creator>bosborne</dc:creator>
      <dc:date>2016-09-05T13:33:02Z</dc:date>
    </item>
    <item>
      <title>Re: Using A filter in Filter Rules</title>
      <link>https://forums.autodesk.com/t5/revit-ideas/using-a-filter-in-filter-rules/idc-p/6599097#M2872</link>
      <description>&lt;P&gt;Would this be an alternative that might apply?&lt;/P&gt;&lt;P&gt;&lt;A href="http://forums.autodesk.com/t5/revit-ideas/view-template-include-subcomponent-from-other-template/idi-p/6401911" target="_self"&gt;View Template include subcomponent from other template&lt;/A&gt;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;I like the idea of nested filters!&lt;/P&gt;</description>
      <pubDate>Mon, 03 Oct 2016 20:12:37 GMT</pubDate>
      <guid>https://forums.autodesk.com/t5/revit-ideas/using-a-filter-in-filter-rules/idc-p/6599097#M2872</guid>
      <dc:creator>GallowayUS_com_RonAllen1</dc:creator>
      <dc:date>2016-10-03T20:12:37Z</dc:date>
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