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Forgot to update manpage
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@ -263,16 +263,14 @@ it doesn't have any of tippecanoe's recourses if the new tiles are bigger than t
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If a tile is too big, it is just left out of the new tileset.
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.SH Example
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.PP
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Imagine you have a tileset of census blocks, with some slightly ridiculous mangling to give each of them a single field to identify their state/county/tract/block combination:
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Imagine you have a tileset of census blocks:
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.PP
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.RS
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.nf
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curl \-O http://www2.census.gov/geo/tiger/TIGER2010/TABBLOCK/2010/tl_2010_06001_tabblock10.zip
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unzip tl_2010_06001_tabblock10.zip
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ogr2ogr \-f GeoJSON tl_2010_06001_tabblock10.json tl_2010_06001_tabblock10.shp
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cat tl_2010_06001_tabblock10.json |
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sed 's/"STATEFP10": "\\([^"]*\\)", "COUNTYFP10": "\\([^"]*\\)", "TRACTCE10": "\\([^"]*\\)", "BLOCKCE10": "\\([^"]*\\)"/"statecountytractblock": "\\1\\2\\3\\4", &/' |
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\&./tippecanoe \-o tl_2010_06001_tabblock10.mbtiles
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\&./tippecanoe \-o tl_2010_06001_tabblock10.mbtiles tl_2010_06001_tabblock10.json
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.fi
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.RE
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.PP
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@ -283,7 +281,7 @@ and a CSV of their populations:
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curl \-O http://www2.census.gov/census_2010/01\-Redistricting_File\-\-PL_94\-171/California/ca2010.pl.zip
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unzip \-p ca2010.pl.zip cageo2010.pl |
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awk 'BEGIN {
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print "statecountytractblock,population"
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print "GEOID10,population"
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}
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(substr($0, 9, 3) == "750") {
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print "\\"" substr($0, 28, 2) substr($0, 30, 3) substr($0, 55, 6) substr($0, 62, 4) "\\"," (0 + substr($0, 328, 9))
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@ -295,7 +293,7 @@ which looks like this:
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.PP
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.RS
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.nf
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statecountytractblock,population
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GEOID10,population
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"060014277003018",0
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"060014283014046",0
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"060014284001020",0
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@ -312,6 +310,6 @@ Then you can join those populations to the geometries and discard the no\-longer
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.PP
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.RS
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.nf
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\&./tile\-join \-o population.mbtiles \-x statecountytractblock \-c population.csv tl_2010_06001_tabblock10.mbtiles
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\&./tile\-join \-o population.mbtiles \-x GEOID10 \-c population.csv tl_2010_06001_tabblock10.mbtiles
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.fi
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.RE
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