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

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

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

    project.CreateResolutionPyramids();

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

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