In the Hatch Edit dialog box, click Recreate Boundary.To do this conversion, follow these steps: In the case where there are Hatch boundaries, you will need to transform them first to polylines and then, to polygons. When you see the prompt 'Enter type boundary object', enter P which stands for a polyline.When prompted, choose whether or not to associate the hatch with the new boundary.Moreover, in the case of having Circle elements in your CAD file, you can convert them to polylines first using the BOUNDARY command: In the boundary dialog box, make sure that the Object Type is set to Polyline.Click the 'Pick Points' button and click inside the circle.
To export the KML/KMZ file, please follow the steps below: Step 2 - Exportation of the drawing as KML/KMZ
