I am uploading some geotiffs from USGS that have RGB and the 4th channel is IR. This seems to cause Cesium to use it as alpha. Is there a way to have it remove the 4th channel or not use it as alpha?
Welcome to the Cesium community.
At this time Cesium ion does not have an option to remove/ignore the 4th channel.
You would need to use another program to remove the IR channel before upload. It looks like gdal_translate
would be capable of removing the layers with the -mask
option.
Please let us know if gdal_translate
worked for you or if you found a better program to do this.