Lua API: Constants
==================

A list of the CMUcam3 constants exposed in the Camscripter Lua environment.

Camera Resolution Constants
---------------------------

* ``CC3_CAMERA_RESOLUTION_LOW`` -- low resolution
* ``CC3_CAMERA_RESOLUTION_HIGH`` -- high resolution

Channel of Interest (COI) Constants
-----------------------------------

* ``CC3_CHANNEL_SINGLE`` -- one channel, regardless of image type
* ``CC3_CHANNEL_RED`` -- red channel in RGB images
* ``CC3_CHANNEL_GREEN`` -- green channel in RGB images
* ``CC3_CHANNEL_BLUE`` -- blue channel in RGB images
* ``CC3_CHANNEL_Y`` -- Y channel in YCrCb images
* ``CC3_CHANNEL_CR`` -- Cr channel in YCrCb images
* ``CC3_CHANNEL_CB`` -- Cb channel in YCrCb images
* ``CC3_CHANNEL_HUE`` -- Hue channel in HSV images
* ``CC3_CHANNEL_SAT`` -- Saturation channel in HSV images
* ``CC3_CHANNEL_VAL`` -- Value channel in HSV images
* ``CC3_CHANNEL_ALL`` -- All channels

Colorspace Constants
--------------------

* ``CC3_COLORSPACE_RGB`` -- The RGB colorspace (red, green, blue)
  `http://en.wikipedia.org/wiki/RGB <http://en.wikipedia.org/wiki/RGB>`__
* ``CC3_COLORSPACE_YCRCB`` -- The YCrCb colorspace.
  `http://en.wikipedia.org/wiki/YCbCr <http://en.wikipedia.org/wiki/YCbCr>`__