أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
Please give more specific question, but in general, if you want to draw a line such as the first segment is red the second blue ... etc. drew the line using polyline tool, then change each segment color as you want.
Hope this useful to you, feel free ask anything :)
