I am referring to this very useful hack to change the color gradient of buffered polygons in order to show direction (with a gradient from red to green, for example)


The only problem is that data defined properties is no longer a button in QGIS. I am running 2.12. How do I get around this?

Here is an example of the lines that I want to fill with gradient color to show their direction:

Any other suggestions on how to show direction would be welcomed!

enter image description here

This is one of my attempts but actually the color gradients are random

enter image description here

1 Answer 1


I think the Data defined properties button still exists but has been changed and split for each property. I'm using QGIS 2.12.3:

Date defined properties buttons

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.