apalu@erl @thomasfuchs you do get a product, but I'm not really sure how that's a problem. :blobfox3c: if you need precise numbers you can get them with a linear equation, otherwise the bands on the filter are pretty narrow relative to the bands on the camera so you can just pick the brightest of r,g and b.
GNU social JP is a social network, courtesy of GNU social JP管理人. It runs on GNU social, version 2.0.2-dev, available under the GNU Affero General Public License.
All GNU social JP content and data are available under the Creative Commons Attribution 3.0 license.