Function: band pass(numbers("xxr")) if numbers("xxr") if band pass(numbers("xxr")) if numbers('yyx') > numbers("xxr") else numbers("xyx") > numbers("xyx") else band pass(numbers("xxr")) > numbers("xxr") else numbers("xyx") if numbers('yyx') > band pass(numbers("xxr")) else numbers("xxr") if band pass(numbers("xxr")) if numbers("xyx") > numbers('yyx') else numbers("xxr") > gradient[2](band pass(numbers("xxr")) if numbers("xyx") > numbers("xxr") else numbers("xyx") if numbers('yyx') > numbers("xxr") else band pass(numbers("xxr")) if band pass(numbers("xxr")) > numbers("xyx") if numbers("xxr") > numbers('yyx') else band pass(numbers("xxr")) else numbers("xxr")) else band pass(numbers("xxr")) if numbers("xxr") if numbers('yyx') > numbers("xyx") else band pass(numbers("xxr")) > numbers("xyx") else numbers("xxr")