Change color/pattern to an activity segment?

#1

Hi all,
I’m new to GP, please be patient ;).
I would like to change the color/pattern of an activity at a specific date interval.
Example:
main activity color is green and the date range from 01/10/2018 to 31/10/2018.
Is there a way to color the last 15 days of the activity (from 15/10/2018 to 31/10/2018) in red (or using a another pattern)?
Or is there a way to obtain something similat with GP?
TIA
tony

#2

No, sorry. Task is an atomic unit of work in GanttProject. If you need different properties for different portions, you have to create different tasks.