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Out of video memory while allocating landscape layer

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    Out of video memory while allocating landscape layer

    Hi,
    I am having a landscape with a fairly high resolution:
    component resolution: 127 * 127
    component count: 256
    component subsections: 2
    resolution: 2017 * 2017
    overall resolution: 2017 * 2017


    With that landscape I want to use three layers, that shall be implemented with a layer blend node.

    When I am trying to allocate a weight-blended layer (landscape -> paint -> target layers), the editor crashes with the message

    Out of Memory trying to allocate a rendering resource. Make sure ....

    I am working with UE 4.23.
    My graphics card is an RTX2070 (8GB).

    I have already tried to:
    • simplify the material: no change,
    • use less layers: no change
    I don't want to use a lower resolution, because that would suck.
    Is there a way to work around this problem? May I even make the layer for a lower res landscape and edit it accordingly?

    Kind regards
    Christian

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