id,summary,reporter,owner,description,type,status,priority,milestone,component,version,resolution,keywords,cc 202,Sherpa 1.3.0 and LHAPDF 5.8.5 (gzipped PDFs),Generic User (don't modify these fields),Frank Siegert,"Dear Sherpa authors, I face some problems handling gzipped PDFs from LHAPDF. I'm using Sherpa 1.3.0 and LHAPDF 5.8.5 from the CMSSW framework for a simple DY example: ... (isr){ PDF_LIBRARY = LHAPDFSherpa PDF_SET = cteq6ll.LHpdf PDF_SET_VERSION = 1 PDF_GRID_PATH = PDFsets }(isr) ... Now when I run Sherpa, it claims that the PDF cannot be found: ... Initialized the beams Monochromatic*Monochromatic Sherpa: Initialization_Handler::InitializeThePDFs throws critical error: PDF 'cteq6ll.LHpdf' does not exist in 'libLHAPDFSherpa' for P+ bunch. Exception_Handler::GenerateStackTrace(..): Generating stack trace { 0x2b70f7e52750 in 'ATOOLS::Terminate()' (Exception_Handler.C:132) 0x40383f in 'main' (atomicity.h:69) } ... However, Sherpa PDF_LIBRARY=LHAPDFSherpa SHOW_PDF_SETS=1 reveals ... // available PDF sets (specified by PDF_SET=) ... cteq6ll.LHpdf.gz LHAPDF interface ... Then I change the name of the PDF to xxxxxxx.gz ... (isr){ PDF_LIBRARY = LHAPDFSherpa PDF_SET = cteq6ll.LHpdf.gz PDF_SET_VERSION = 1 PDF_GRID_PATH = PDFsets }(isr) ... and the following happens: ... Initialized the beams Monochromatic*Monochromatic LHAPDF_Fortran_Interface::LHAPDF_Fortran_Interface(): Init member 1. GZIOOP: input file open error LHAPDF InitPDFsetM : unable to open file /afs/cern.ch/cms/slc5_amd64_gcc434/external/lhapdf/5.8.5-cms2/share/lhapdf/PDFsets/cteq6ll.LHpdf.gz.gz status = 108 ... Am I missing something here??? Cheers, Markus ",question,closed,blocker,,Unknown,1.3.0,invalid,,merschm@physik.rwth-aachen.de