Library of Python-Scripts for automated detection of bomb craters on the foundation of a digital elevation model (DEM).

• auto_bcd_main_execfile[.py] --> Main Script
• auto_bcd_preprocessing[.py] --> Data Preprocessing
• auto_bcd_calculation[.py] --> First Selection on basis of preprocessed data
• auto_bcd_postprocessing[.py] --> Morphological Transformations, Polygonization
• auto_bcd_shp_n_attribs[.py] --> Calculation for Polygon Shp-File Attribut-Values
• auto_bcd_errorassessment[.py] --> Error - Assessment --> [TP, TN, FP, FN]

• SAGA GIS with enabled Commandline Capabilities [http://www.saga-gis.org/en/index.html]

• scikit-learn [https://pypi.org/project/scikit-learn/]

• numpy [https://pypi.org/project/numpy/]

• progress [https://pypi.org/project/progress/]

• argparse [https://pypi.org/project/argparse/]

• gdal,ogr [https://pypi.org/project/GDAL/]

• opencv [https://pypi.org/project/opencv-python/]

• geopandas [https://pypi.org/project/geopandas/]

• rasterstats [https://pypi.org/project/rasterstats/]

• Sky View factor O.Conrad (c) 2008 Ref.: Oke, T.R. (2000); Hantzschel et al. (2005); Boehner & Antonic (2009) [http://www.saga-gis.org/saga_tool_doc/2.2.3/ta_lighting_3.html]
• Morphometric Features O.Conrad (c) 2013 Ref.: Wood, J. (1996; 2009) [http://www.saga-gis.org/saga_tool_doc/2.2.7/ta_morphometry_23.html]
• Curvature Classification O.Conrad (c) 2001 Ref.: Dikau R. (1988) [http://www.saga-gis.org/saga_tool_doc/2.2.3/ta_morphometry_4.html]
• Morphometric Protection Index Victor Olaya (c) 2005 [http://www.saga-gis.org/saga_tool_doc/2.2.1/ta_morphometry_7.html]
• Topographic Openness O.Conrad (c) 2012 Ref.: Yokoyama et al. (2002); Prima et al. (2006); Anders et al. (2009) [http://www.saga-gis.org/saga_tool_doc/2.2.1/ta_lighting_5.html]

• data_input
  1. digital elevation model (DEM); best pixelsize < 5 meters
  2. [.txt] File with thresholds
  3. (optional) digitized bc shp-File for Error Assessment
• tmp
  • mainly preprocessing data will be saved there
• output

  • bcd_raster[.tif]

  • bombcraters[.tif]

  • opening[.tif]

  • closing[.tif]

  • validation_shp_RAST[.tif]

  • Treffer_shape_RAST[.tif]

  • Treffer_shape[.shp]

  • craters_poly[.shp]

  • craters_poly_w_data[.shp]

cheers