I would like to know if there is an option to filter out no-data value. For Sentinel-1 data, there could be image on orbit boundary, where there are some NaN values. OE Browser shows that transparent. But if the image is analyzed with timelapse or multi-temporal processing in WMS, these values are maximum (1). schmid already asked about this here: Definition of nodata-value in WCS-Request. But as I see, it is not possible to solve this in JS.