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    <title>idea Allow (not) when assigning Visible to a parameter en Revit Ideas</title>
    <link>https://forums.autodesk.com/t5/revit-ideas/allow-not-when-assigning-visible-to-a-parameter/idi-p/6728040</link>
    <description>&lt;P&gt;In the Family Editor, you can Associate "Visible" to a parameter.&lt;/P&gt;
&lt;P&gt;But more often than not, when you have one thing Visible, you have something else that needs to be hidden.&lt;/P&gt;
&lt;P&gt;Currently, you must create another parameter and make it's formula &lt;STRONG&gt;= not(OtherParameter)&lt;/STRONG&gt;&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&lt;/P&gt;
&lt;P&gt;If we could simply use &lt;STRONG&gt;not (&lt;/STRONG&gt;&lt;SPAN&gt;&lt;STRONG&gt;OtherParameter)&lt;/STRONG&gt; directly in the Associate box, it would save a lot of duplicate, single-use parameters and clean up the long list of Family parameters.&lt;/SPAN&gt;&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&lt;/P&gt;
&lt;P&gt;&lt;SPAN&gt;Perhaps a checkbox on the Associate Family Parameter dialog to toggle Visible or Hidden&lt;/SPAN&gt;&lt;/P&gt;</description>
    <pubDate>Mon, 05 Dec 2016 14:49:31 GMT</pubDate>
    <dc:creator>dplumb_BWBR</dc:creator>
    <dc:date>2016-12-05T14:49:31Z</dc:date>
    <item>
      <title>Allow (not) when assigning Visible to a parameter</title>
      <link>https://forums.autodesk.com/t5/revit-ideas/allow-not-when-assigning-visible-to-a-parameter/idi-p/6728040</link>
      <description>&lt;P&gt;In the Family Editor, you can Associate "Visible" to a parameter.&lt;/P&gt;
&lt;P&gt;But more often than not, when you have one thing Visible, you have something else that needs to be hidden.&lt;/P&gt;
&lt;P&gt;Currently, you must create another parameter and make it's formula &lt;STRONG&gt;= not(OtherParameter)&lt;/STRONG&gt;&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&lt;/P&gt;
&lt;P&gt;If we could simply use &lt;STRONG&gt;not (&lt;/STRONG&gt;&lt;SPAN&gt;&lt;STRONG&gt;OtherParameter)&lt;/STRONG&gt; directly in the Associate box, it would save a lot of duplicate, single-use parameters and clean up the long list of Family parameters.&lt;/SPAN&gt;&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&lt;/P&gt;
&lt;P&gt;&lt;SPAN&gt;Perhaps a checkbox on the Associate Family Parameter dialog to toggle Visible or Hidden&lt;/SPAN&gt;&lt;/P&gt;</description>
      <pubDate>Mon, 05 Dec 2016 14:49:31 GMT</pubDate>
      <guid>https://forums.autodesk.com/t5/revit-ideas/allow-not-when-assigning-visible-to-a-parameter/idi-p/6728040</guid>
      <dc:creator>dplumb_BWBR</dc:creator>
      <dc:date>2016-12-05T14:49:31Z</dc:date>
    </item>
    <item>
      <title>Re: Allow (not) when assigning Visible to a parameter</title>
      <link>https://forums.autodesk.com/t5/revit-ideas/allow-not-when-assigning-visible-to-a-parameter/idc-p/6729128#M4359</link>
      <description>&lt;P&gt;I'd like to amend my previous statement.&lt;/P&gt;
&lt;P&gt;We often need to create redundant parameters, but sometimes we need to create the opposite parameter.&lt;/P&gt;
&lt;P&gt;I'm doing a family now that ONLY hides some items when certain conditions are met. &amp;nbsp;I do not have a corollary item that DOES display.&lt;/P&gt;
&lt;P&gt;So I need to create one parameter for example Shows who's only use is in the formula for another parameter notShown = not(Shown) so that notShown can be used to turn off the item in the Visible's Associate Family Parameter dialog.&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&lt;/P&gt;
&lt;P&gt;Just reading that explanation helps understand why my suggestion would make thing so much simpler.&lt;/P&gt;</description>
      <pubDate>Mon, 05 Dec 2016 21:56:57 GMT</pubDate>
      <guid>https://forums.autodesk.com/t5/revit-ideas/allow-not-when-assigning-visible-to-a-parameter/idc-p/6729128#M4359</guid>
      <dc:creator>dplumb_BWBR</dc:creator>
      <dc:date>2016-12-05T21:56:57Z</dc:date>
    </item>
    <item>
      <title>Re: Allow (not) when assigning Visible to a parameter</title>
      <link>https://forums.autodesk.com/t5/revit-ideas/allow-not-when-assigning-visible-to-a-parameter/idc-p/6795481#M4888</link>
      <description>&lt;P&gt;Taking this one step further, I have many families where I have more than 2 choices. It would be great if there was a 'button-like' parameter, or be able to 'link' several visibility parameters. So, if I chose Option A, options B and C would turn off. If I chose B, options A an C would turn off.&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;To accomplish this currently you have to add 2 or more additional parameters to control visibility.&lt;/P&gt;</description>
      <pubDate>Tue, 10 Jan 2017 14:56:39 GMT</pubDate>
      <guid>https://forums.autodesk.com/t5/revit-ideas/allow-not-when-assigning-visible-to-a-parameter/idc-p/6795481#M4888</guid>
      <dc:creator>Anonymous</dc:creator>
      <dc:date>2017-01-10T14:56:39Z</dc:date>
    </item>
    <item>
      <title>Re: Allow (not) when assigning Visible to a parameter</title>
      <link>https://forums.autodesk.com/t5/revit-ideas/allow-not-when-assigning-visible-to-a-parameter/idc-p/7124277#M8622</link>
      <description>How about something like this:&lt;BR /&gt;&lt;BR /&gt;&lt;A href="https://forums.autodesk.com/t5/revit-ideas/mark-a-parameter-as-hidden-or-disabled/idi-p/6420056" target="_blank"&gt;https://forums.autodesk.com/t5/revit-ideas/mark-a-parameter-as-hidden-or-disabled/idi-p/6420056&lt;/A&gt;</description>
      <pubDate>Fri, 02 Jun 2017 03:04:58 GMT</pubDate>
      <guid>https://forums.autodesk.com/t5/revit-ideas/allow-not-when-assigning-visible-to-a-parameter/idc-p/7124277#M8622</guid>
      <dc:creator>doni49</dc:creator>
      <dc:date>2017-06-02T03:04:58Z</dc:date>
    </item>
    <item>
      <title>Re: Allow (not) when assigning Visible to a parameter</title>
      <link>https://forums.autodesk.com/t5/revit-ideas/allow-not-when-assigning-visible-to-a-parameter/idc-p/7124286#M8624</link>
      <description>&lt;P&gt;Or this one (it's actually the one I was thinking of when I read your post).&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&lt;/P&gt;
&lt;P&gt;&lt;A href="https://forums.autodesk.com/t5/revit-ideas/visbility-setting-to-optionally-use-formula/idi-p/6419875" target="_blank"&gt;https://forums.autodesk.com/t5/revit-ideas/visbility-setting-to-optionally-use-formula/idi-p/6419875&lt;/A&gt;&lt;/P&gt;</description>
      <pubDate>Fri, 02 Jun 2017 03:13:27 GMT</pubDate>
      <guid>https://forums.autodesk.com/t5/revit-ideas/allow-not-when-assigning-visible-to-a-parameter/idc-p/7124286#M8624</guid>
      <dc:creator>doni49</dc:creator>
      <dc:date>2017-06-02T03:13:27Z</dc:date>
    </item>
    <item>
      <title>Re: Allow (not) when assigning Visible to a parameter</title>
      <link>https://forums.autodesk.com/t5/revit-ideas/allow-not-when-assigning-visible-to-a-parameter/idc-p/7272786#M9867</link>
      <description>&lt;P&gt;&lt;a href="https://forums.autodesk.com/t5/user/viewprofilepage/user-id/1167792"&gt;@doni49&lt;/a&gt;&amp;nbsp;Your first suggestion is a separate idea&amp;nbsp;(the 2nd&amp;nbsp;IS the same), however, I'd actually prefer that it was implemented (being able to hide a parameter from the user in the project) instead of this one.&lt;STRONG&gt; I actually don't mind creating a bunch of "Show..." parameters because then I can see the logic&lt;/STRONG&gt; (the formula is visible in the Family Types dialog), which makes it fairly easy to manage. If that same calculation was buried in a separate dialog attached to the Visibility checkbox, it could get cumbersome to check (AND to update).&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&lt;/P&gt;
&lt;P&gt;So in summary, even though I also wanted it when I first started making my own families, &lt;STRONG&gt;I vote AGAINST this idea,&amp;nbsp;and FOR being able to hide parameters&lt;/STRONG&gt; (so we can see &amp;amp; manage the formulas in the Family Types dialog, but be able to hide them from users for a cleaner interface).&lt;/P&gt;</description>
      <pubDate>Wed, 02 Aug 2017 22:36:39 GMT</pubDate>
      <guid>https://forums.autodesk.com/t5/revit-ideas/allow-not-when-assigning-visible-to-a-parameter/idc-p/7272786#M9867</guid>
      <dc:creator>lionel.kai</dc:creator>
      <dc:date>2017-08-02T22:36:39Z</dc:date>
    </item>
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