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cpascual

Finding Area of 2D gear face

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cpascual

So I am trying to get the area of the 2D gear face I just made. I tried doing it the way stated:

 

"Tip. A fast way to calculate an area bounded by several objects in 2D is to use the BOUNDARY command. With BOUNDARY, you can pick a point within the area to create a closed polyline or region. You can then use the Properties palette or the LIST command to find the area and perimeter of the polyline or region."

 

but the BOUNDARY command did not work and it gave me an error of "valid hatch boundary not found." Is there a better way to figure out this area or any way that I can fix this error. Your help will be greatly appreciated. Thank you.

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rkmcswain

._Boundary should work, but as you have found the area needs to be closed.

Maybe you can use ._Pedit (with the multiple option) and join the inner and outer part of the gear into closed polylines.

Then you can use the ._Area command to get the area of each object. You could also Hatch the area and view the Hatch object in Properties, one of which will be the area.

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