Epson Moverio Pro BT-2000 Developer's Manual page 107

Remarks:

To use the depth information application, you need to describe the process in

onDepthMap.
To execute onDepthMap, you need to meet all of the following conditions.

(1) The camera mode is set by either EdoF mode or depth-only mode.
(2) startPreview is executed.
(3) startDepthStreaming is executed.
(4) A callback method is registered in setDepthCallback.
In EDof mode, receiving depth information, display preview and receiving preview

data can be executed in parallel.
For depth-only mode, preview display is unavailable. To display depth data as an

image, you need to convert the data captured to image format to display images.
MOVERIO Pro Developer's Guide (Rev.1.4)
101