In this mode, you can apply a filter to the voxels of the dataset.
Ultrasound images are usually very noisy. The filter enable you to remove part of that noise. The filter's parameter is the radius (in voxels) of the convolution kernel used to filter the image.
From the Graphic Interface
From the Display Area
You can use the mouse wheel to change the value of the filter radius. The change will be of 0.1 voxel per click.
From the Keyboard
The following commands can also be mapped to keyboard keys as a shortcut:
From the Command Line