Hello,
In the current state, the legends are useless. For MEP legend must be able to choose to be a pipe in length and not just in section It is also necessary that the color of the "pipe system" is taken into account. Not only by using a filter. This is vital! (See attached picture)
Moreover, we should have the choice not to take into account the scale of the legend in the title block.
If you have a view at a scale 1 = 1000, the legend will necessarily be at a larger scale to be legible. So, in the title block he wrote it, "as indicated" ... This is the scale of the plan that is important and not that of the legend!
If this is taken into account it will be a great step forward.
Thanks.