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# MultiSample

# Description

The O_MultiSample node allows you to use a Sample input to sample a selected area for one of the following uses:

• Fill the whole image with a smooth interpolation of the data from the sample area. Any channels can be used including depth, color, disparity, and so on. For example, if you like the disparity vectors in a certain area, you can expand them to fill the rest of the image by selecting the area you like in the Sample input and choosing disparity from the Channels dropdown.

• Fill the area defined in the Sample input with the surrounding channel data. This allows you to fill holes or replace unwanted areas. Any channels can be used including depth, color, disparity, and so on. For example, if you had an irregular area in a depth map, you can select the irregular area and input it as a sampled area. You can then invert the sampled area to fill it with the surrounding depth data.

The original left view of the depth map with an irregularity in the top-right area. | A bezier is drawn around the irregular area so that it can be input as a sampled area. | O_MultiSample fills the selected area by expanding the surrounding pixels.

• Fill a different area specified in the Mask input, with the channel data from the area specified in the Sample input. This allows you to correct areas that have not been rebuilt correctly, or replace any irregular areas. Any channels can be used including depth, color, disparity, and so on. For example, if you had an area that has not been rebuilt correctly when using O_NewView, you can correct it using O_MultiSample. See Using O_MultiSample with the Sample and Mask Inputs for more information.