# Edit Receptor Masks

When first opening a PLP file referencing Ladybug imagery, SpatialExplorer will ask you to create masks for each of the six receptors. You can also go to **Camera Settings-> Processing->Tools->Edit Receptor Masks** to access this menu:

<figure><img src="/files/Gb1afy5Q4u1JAW7mblZA" alt=""><figcaption></figcaption></figure>

Draw the mask so that it excludes the vehicle or any mounting hardware. Only areas in green will be used during processing.


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