re-attacked glissandi

How to write re-attacked glissandi? Glissandi that are re-attacked during its duration, see the attachment.
Screen Shot 2018-04-01 at 08.42.58.png

The attached should give you some idea how to do this: select the notes in the middle of the glissando and set their ‘Colour’ property to 0% opacity to make them disappear. (245 KB)