}
protected void write(ArrayList<String> ids, ArrayList<Double> vs, File f,String std, String tag)throws Exception{
ProbeMapperStrand pp= new ProbeMapperStrand(anno, probe, std);
BedGraphExporter be= new BedGraphExporter(pp.toLandscapeBuilder(ids, vs));
be.param().tit= tag+"_"+std;
be.writeToFile(f);
}