Leaf area index. Leaf area index (LAI) is a dimensionless quantity that characterizes plant canopies. It is defined as the one-sided green leaf area per unit ground surface area (LAI = leaf area / ground area, m2 / m2) in broadleaf canopies. LAI ranges from 0 (bare ground) to over 10 (dense conifer forests).
Now we get the coordinate. Try to activate circle or any other tool. When AutoCAD ask you for the center, click paste value to command line from AutoCAD calculator. Press [enter] then you get the center point at the middle of the two referenced points!A midpoint even there is no lines! You can also use snaps in calculator input.sing Mid Between 2 Points. This is the easiest way to find a midpoint between two points. You can simply choose it from snap tools. You can hold [shift] then press right button mouse then choose it from the list (see shift tips no.1 here). Or you can type _M2P to activate it from command line.
The main interface of PDF to AutoCAD Converter is shown in Figure2. You can see a file list locate on the left of the interface, which is used to list waiting PDF document to be converted. Open button can be used to add PDF documents into the list.or example, there is a PDF document which is shown in Figure1 and you want to convert it to DWG format file. So PDF to AutoCAD Converter will do you a great favor. PDF to AutoCAD Converter can be downloaded for free via clicking here.