try {
    var project = TerraBuilder.OpenProject("E:\\terrait\\TianJin\\ExportMap\\ExportMap\\TerraBuilder\\tb.tbp");
    var shp = "D:\\LF\\data\\shp\\buffer_midline.shp";

    var imgLayer = project.Layers.InsertLayer("D:\\LF\\data\\DOM\\CABQ_0641.tif", "imagery");
    if (null != imgLayer) {
        imgLayer.ImageryPyramidFormat = 0;

        var poly1 = VBArray(project.Polygons.ImportPolygons(shp)).toArray()[0];
        poly1.AttachToLayer(imgLayer);
        poly1.type = 2;

        var poly2 = VBArray(project.Polygons.ImportPolygons(shp)).toArray()[0];
        poly2.AttachToLayer(imgLayer);
        poly2.type = 0;
    }

    var eleLayer = project.Layers.InsertLayer("D:\\LF\\data\\DEM\\DEM.tif", "Elevation");
    if (null != eleLayer) {
        eleLayer.ElevationPyramidFormat = 0;

        var poly1 = VBArray(project.Polygons.ImportPolygons(shp)).toArray()[0];
        poly1.AttachToLayer(eleLayer);
        poly1.type = 1;
        poly1.ElevationFillBehavior = 1;

        var poly2 = VBArray(project.Polygons.ImportPolygons(shp)).toArray()[0];
        poly2.AttachToLayer(eleLayer);
        poly2.type = 2;

        var poly3 = VBArray(project.Polygons.ImportPolygons(shp)).toArray()[0];
        poly3.AttachToLayer(eleLayer);
        poly3.type = 0;
    }

    //project.Settings.MPTFileName = "D:\\LF\\data\\mpt\\0A.MPT";
    project.CreateResolutionPyramids();

    //project.Save();
    project.CreateMPT();

    TerraBuilder.ExitWhenFinished();
} catch (ex) {
    alert(ex.message);
}