Hi,

This did it

IF (@atlas_featurenumber  = 1,0,1)

Intuition says this should be 1 for include and 0 to exclude but it's the contrary.  This is a double negative situation as "Exclude item from exports" must be checked as False.

Thanks for the tips!

Nicolas

On 2022-05-11 1:56 a.m., Alexandre Neto wrote:
Hi!

Sorry, I mislead you with a wrong name

It's the "Exclude item from exports"

https://docs.qgis.org/3.22/en/docs/user_manual/print_composer/composer_items/composer_items_options.html#rendering-mode

The data-defined expression expects a true or false (1 or 0) so you can use whatever you prefer to check that out. In the limit, you can add an extra boolean column to you atlas layer called "exclude_overview" and fill in a yes for the features you don't want to show a overview. The use that column in the data-defined properties of the "exclude item from export"

Alexandre Neto
User Support
www.qcooperative.net <http://www.qcooperative.net>

A quarta, 11/05/2022, 04:18, Nicolas Cadieux <njacadieux.git...@gmail.com> escreveu:

    Hi Alexandre,

    In the layout, under Item Properties/Rendering, I was able to
    change the overview map opacity using IF (@atlas_featurenumber =
    '1','100','0').  Is there a better method?

    Thanks everyone for the tips, I am finally figuring this out slowly.

    Nicolas



    On 2022-05-10 5:07 p.m., Alexandre Neto wrote:
    All items in the layout have a render item in outputs option.
    It's data-defined. So you can put a expression like if
    @atlas_page in (3,6,9,12)

    Alexandre Neto

    A terça, 10/05/2022, 21:06, Alexis R.L. via Qgis-user
    <qgis-user@lists.osgeo.org> escreveu:


        You could use the Data-defined variables to move elements in
        and out of the page layout depending on the atlas page
        name/number.

        Alex


        Le mar. 10 mai 2022 à 13:58, Nicolas Cadieux via Qgis-user
        <qgis-user@lists.osgeo.org> a écrit :

            Hi,

            I have a series of map that could work well this an Atlas
            but I would
            need to add thing like Zoom in or Overview maps on some
            specific pages
            only.  Can we add objects like new maps on specific pages
            of an Atlas?

            If not, is there a function or way to go from Atlas page
            2  -> New
            layout? I figure the only way to do this is to turn on
            the Atlas
            preview, go to the selected preview, turn the Atlas
            preview off and the
            save as a new layout? Is there a better way?

-- Nicolas Cadieux
            https://gitlab.com/njacadieux

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    https://gitlab.com/njacadieux

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Nicolas Cadieux
https://gitlab.com/njacadieux
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