The shortcut key for measuring the area of cad is AA, but this measurement method is not suitable for any situation; close the area to be measured, command boundary, and shortcut key BO; select the whole formed by the boundary command, you can see area.
The operating environment of this article: Windows 7 system, autocad2020 version, Dell G3 computer.
The shortcut key for measuring graphics or the area of a certain area in CAD is AA, but this measurement method is not suitable for every situation.
The conventional method for calculating area is as follows
Command line, shortcut key L, close the area to be measured, command boundary, shortcut key BO. Pick the point to select the area to be measured, and the selected area will become a whole. Command list, shortcut key LI, and select the boundary command to form a whole, and you can see the area.
Extended information
Area CAD algorithm for different types of graphics
①For simple graphics composed of straight line segments, such as using Rectangles and triangles drawn with straight lines.
Just execute the command area (aa) command (can be entered on the command line or click the corresponding command icon). After the command prompt appears, select each intersection of the rectangle or triangle in turn and press Enter. CAD will automatically calculate The final area (Area) and perimeter (Perimeter) are obtained, and the results are listed on the command line.
② For graphics composed of a single polyline or spline, such as a circle, rectangle or other two-dimensional closed graphics composed of polyline (Polyline) or spline (Spline).
After executing the area query command, enter the O (object) option according to the prompts, press Enter, and select the graphic to be calculated according to the prompts. CAD will automatically calculate the area and perimeter. For polylines, the length and area are usually visible in the properties box (Ctrl 1).
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