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Make parallel reading a command-line option

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Eric Fischer
2015-12-22 14:58:19 -08:00
parent ca4d1beb7c
commit fde3aa45de
3 changed files with 41 additions and 20 deletions
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README.md
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@@ -65,6 +65,11 @@ Options
* -o _file_.mbtiles: Name the output file.
* -f: Delete the mbtiles file if it already exists instead of giving an error
* -t _directory_: Put the temporary files in _directory_.
* -P: Use multiple threads to read different parts of each input file at once.
This will only work if the input is line-delimited JSON with each Feature on its
own line, because it knows nothing of the top-level structure around the Features.
In addition, it only works if the input is a named file that can be mapped into memory
rather than a stream that can only be read sequentially.
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