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我有一些 3D 几何图形,我想用新坐标返回一个 2D 几何图形(维度 2):

private static Geometry convert2D(Geometry g3D) {
        // copy geometry
        Geometry g2D = (Geometry) g3D.clone();
        Geometry geometry;
        // set new 2D coordinates
        for (Coordinate c : g2D.getCoordinates()) {
            c.setCoordinate(new Coordinate(c.x, c.y));
        }

        // SET NEW COORDINATES TO g2D 
        
        return g2D;
    }

由于对象几何体没有该方法,我该怎么做setCoordinates

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