Love, light and truth 2

Normal sudoku rules apply. Place the digits 1-9 once each in every row, column and 3x3 box. Cells separated by a king's move (in chess) cannot contain the same digit. Digits on an arrowed line sum to the total given in the connected circle, digits may repeat if other rules allow. Cells separated by a black dot has one digit double the other (1:2 ratio). Clues outside the grid sum the digits on the indicated diagonal, digits may repeat if other rules allow.