40 lines
886 B
Bash
Executable File
40 lines
886 B
Bash
Executable File
#!/usr/bin/env bash
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#
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# Extract MasterMap
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#
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: ${1?"Usage: $0 ./path/to/mastermap/dir"}
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data_dir=$1
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#
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# Extract buildings from *.gz to CSV
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#
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# Features where::
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# descriptiveGroup = '(1:Building)'
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#
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# Use `fid` as source ID, aka TOID.
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#
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find $data_dir -type f -name '*.gz' -printf "%f\n" | \
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parallel \
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gunzip $data_dir/{} -k -S gml
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rename 's/$/.gml/' $data_dir/*[^gzvt]
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# Note: previously the rename cmd above resulted in some temp files being renamed to .gml
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# so I have specified the start of the filename (appears to be consistent for all OS MasterMap downloads)
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# we may need to update this below for other downloads
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find $data_dir -type f -name '*5690395*.gml' -printf "%f\n" | \
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parallel \
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ogr2ogr \
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-select fid,descriptiveGroup \
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-f CSV $data_dir/{}.csv \
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$data_dir/{} \
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TopographicArea \
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-lco GEOMETRY=AS_WKT
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rm $data_dir/*.gfs
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rm $data_dir/*.gml
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