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In this tutorial we'll cover how to work with alignment lines and what outcomes you can expect and also what functionalities might be hidden that you're not aware of.
Line can be multi-vertex.
The line you end up drawing can be multi-vertex if needed and there is no limit in that respect. You can choose to either draw up a two vertex line or more than that if needed.
Line end points are extended infinitely.
The starting and ending points of the line are extended infintely so you don't need to always manage the points on the area boundary polyline.
Line can be drawn outside and tables will align to border.
There's no requirement to draw the lines on the border - you can simply place them outside of an area an the tables will be aligned to the border.
Line drawing direction = table generation direction.
For fixed-tilt systems if you draw the line top to bottom the tables will start generating from the upper part of the area. Vice versa if you draw the line bottom to top.
Line memorized per area.
Once you generate an area there will be a connection made between the area and its alignment line. PVcase will remember which line belongs to which area. Until you delete the line - the generation will always use the set line.
If your PV area loses it's alignment line or you delete it purposefully - then you will be able to draw a line once more.
Add / remove / stretch vertices.
To alter the alignment line without deleting it you can hover over the line's vertices and manipulate them to improve it. Sometimes though it's just easier to start over.
Draw alignment line through right-click menu.
To not have to delete your existing line you can always redraw it by right clicking on an area and selecting Draw alignment line through the PVcase menu.
Select the area that the line belongs to.
So that you don't lose track of what goes where - you can right click on the line and identify which area it belongs to.