I am acquiring data related to the hydrography of a territory. I would like to use a symbology that allows me to have a line whose thickness decreases as it reaches its end (like the example in the image).


I could divide each line into many segments and give each one its own thickness, but I'm looking for a much faster and more effective method. The geometry generator could probably be a solution .

Currently, I have vectorized each waterway with a single line.

example 2

  • Well, what have you tried?
    – Erik
    Mar 25, 2022 at 14:36
  • 1
    see this closely related post
    – JGH
    Mar 25, 2022 at 14:57

1 Answer 1


Try geometry generator:

 tapered_buffer( $geometry, 10, 50)

enter image description here


Your Answer

By clicking “Post Your Answer”, you agree to our terms of service and acknowledge you have read our privacy policy.

Not the answer you're looking for? Browse other questions tagged or ask your own question.