RectangleFeature.fromVertices constructor
从顶点列表创建四边形注释
顶点顺序:左上, 右上, 右下, 左下
Implementation
factory RectangleFeature.fromVertices(List<Point<double>> vertices) {
if (vertices.length != 4) {
throw ArgumentError('顶点列表必须包含4个点');
}
return RectangleFeature(
topLeft: vertices[0],
topRight: vertices[1],
bottomRight: vertices[2],
bottomLeft: vertices[3],
);
}