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Getting started

  • Installation
  • Command-line tools
  • Background

viperleed.calc

  • viperleed calc
    • Installing tensor-LEED dependencies
    • Examples
    • Conventions
    • How to run
    • ViPErLEED work segments
    • Files
    • Parameters
      • viperleed.calc execution
      • Input structure
      • Elements, vibration amplitudes and element concentrations
      • Symmetry determination and control
      • Experimental setup
      • Inner potential
      • Computational setup
      • \(R\) factor
      • Search behavior
      • Structural domains
      • TensErLEED approximations
      • Debugging
      • Output style
      • All PARAMETERS
        • ATTENUATION_EPS
        • AVERAGE_BEAMS
        • BEAM_INCIDENCE
        • BULK_LIKE_BELOW
        • BULK_REPEAT
        • BULKDOUBLING_EPS
        • BULKDOUBLING_MAX
        • DOMAIN
        • DOMAIN_STEP
        • ELEMENT_MIX
        • ELEMENT_RENAME
        • FILAMENT_WF
        • FORTRAN_COMP
        • HALTING
        • SYMMETRY_FIX
        • IV_SHIFT_RANGE
        • KEEP_REFCALC_DIRS
        • LAYER_CUTS
        • LAYER_STACK_VERTICAL
        • LMAX
        • LOG_LEVEL
        • LOG_SEARCH
        • MAX_TL_DISPLACEMENT
        • N_BULK_LAYERS
        • N_CORES
        • OPTIMIZE
        • PARABOLA_FIT
        • PHASESHIFT_EPS
        • PLOT_IV
        • R_FACTOR_LEGACY
        • R_FACTOR_SMOOTH
        • R_FACTOR_TYPE
        • RUN
        • SCREEN_APERTURE
        • SEARCH_CONVERGENCE
        • SEARCH_CULL
        • SEARCH_KILL
        • SEARCH_MAX_DGEN_BEST
        • SEARCH_BEAMS
        • SEARCH_MAX_GEN
        • SEARCH_MAX_DGEN
        • SEARCH_POPULATION
        • SEARCH_START
        • SITE_DEF
        • STOP
        • SUPERLATTICE
        • SUPPRESS_EXECUTION
        • SYMMETRIZE_INPUT
        • SYMMETRY_CELL_TRANSFORM
        • SYMMETRY_EPS
        • SYMMETRY_FIND_ORI
        • SYMMETRY_BULK
        • T_DEBYE
        • T_EXPERIMENT
        • TENSOR_INDEX
        • TENSOR_OUTPUT
        • THEO_ENERGIES
        • TL_IGNORE_CHECKSUM
        • TL_VERSION
        • V0_IMAG
        • V0_REAL
        • V0_Z_ONSET
        • VIBR_AMP_SCALE
        • ZIP_COMPRESSION_LEVEL
    • viperleed bookkeeper
    • Utilities

ViPErLEED ImageJ plugins

  • ViPErLEED ImageJ plugins

Hardware and measurements

  • Hardware

ViPErLEED Python API

  • ViPErLEED Python API
  • Appendix

Appendix

  • Citing ViPErLEED
  • References
  • Glossary
  • License
  • Notes for developers
ViPErLEED
  • viperleed.calc
  • Files
  • PARAMETERS
  • List of PARAMETERS by topic
  • LOG_SEARCH
  • View page source
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LOG_SEARCH

LOG_SEARCH defines whether the standard output from the TensErLEED search program should be written as search-[timestamp].log, or whether the output should be routed to /dev/null. The search log normally contains nothing of value, so this is mostly useful for debugging purposes.

Default: LOG_SEARCH = True (write log)

Syntax:

LOG_SEARCH = False

Acceptable values: True, False, T, F (not case sensitive)

Note that for TensErLEED versions 1.6 and below, the search log file can be very large. In this case, even if LOG_SEARCH = True, the log file will not be added to the manifest.

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