Queue multiple View Layers
==================================

What if you have different varions of your project and you want to render them all out to different files ?
In Blender you can set up multiple view layers and assign specific collections to them.
If you are not using a multilayer file output (eg ``OpenEXR multilayer``), Blender will render all layers, run the compositing process and then store the ``combined``result to your file.
BRQ lets you render each layer to separate single layer files (eg ``PNG``, ``MOV``, ``MP4``...). 

Set up your view layers in Blender
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Add as many layers as you want in your scene. and include / exclude collections for each layers.

.. raw:: html

    <div style="text-align: center;">
        <a href="../_static/img/screenshots/scene-viewlayers.png">
            <img src="../_static/img/screenshots/scene-viewlayers.png" alt="" class=""/>
        </a>
        <div class="figure-caption">
          In this example, 2 layers are being used to create two different versions of the same animation. One with two picture frames on the wall, and an other with only one.
        </div>
    </div>

.. tip::
    Properly name your layers since those names will be used in the output file path.

.. tip::
    Save each view layer to different folders by using :ref:`File Output Wildcards <File Output Wildcards>`.


Send your project to BRQ
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.. raw:: html

    <a href="../_static/img/screenshots/install-addon.gif" data-lightbox="queue-images">
        <img src="../_static/img/screenshots/install-addon.gif" alt="" class=""/>
    </a>


Select View Layer in BRQ
'''''''''''''''''''''''''''''''''

Duplicate the render item by using the shortcut ``Shift-D``, then select the view layer you want to render.
Or add all view layers with ``RMB ‣ Queue multiple ‣ All View Layers``.

.. raw:: html

    <a href="../_static/img/screenshots/queue-viewlayers.png" data-lightbox="queue-images">
        <img src="../_static/img/screenshots/queue-viewlayers.png" alt="" class=""/>
    </a>


The Result
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.. raw:: html

    <div style="text-align: center;">
        <a href="../_static/img/renders/room-frames.png">
            <img src="../_static/img/renders/room-frames.png" alt="" class=""/>
        </a>
        <div class="figure-caption">
          On the left, the saved image for the ``1-Picture`` layer, on the right the ``2-Pictures`` layer.
        </div>
    </div>

|  

.. raw:: html

    <div style="text-align: center;">
        <a href="../_static/img/screenshots/room-frames-files.png">
            <img src="../_static/img/screenshots/room-frames-files.png" alt="" class=""/>
        </a>
        <div class="figure-caption">
          Note the ``[1-Picture]`` and  ``[2-Pictures]`` in the file names. This is added by BRQ, see :ref:`File Output Wildcards <File Output Wildcards>` if you want to change that.
        </div>
    </div>