Clean TopoJSON (#13)

dkaoster · Dec 8, 2020 · a0aa16e · a0aa16e
1 parent b8092d9
commit a0aa16e
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Showing 5 changed files with 8 additions and 2 deletions.
diff --git a/img/counties.png b/img/counties.png
diff --git a/img/nation.png b/img/nation.png
diff --git a/img/towns.png b/img/towns.png
diff --git a/img/villages.png b/img/villages.png
diff --git a/prepublish.sh b/prepublish.sh
@@ -35,7 +35,10 @@ geo2topo -q 1e10 -n villages=<( \
   > base.json
 
 # Use mapshaper to remove extra slivers and islands outside of the boundaries.
-mapshaper -i base.json -clip bbox=${bbox} -filter-slivers -o format=topojson villages-10t.json
+mapshaper -i base.json -clip bbox=${bbox} -filter-slivers -o force format=topojson base.json
+
+# Use mapshaper to generate village topojson.
+mapshaper -i base.json -clean target=villages,towns,counties,nation -o format=topojson villages-10t.json
 
 # Use mapshaper to remove layers of detail we don't want for towns
 mapshaper -i villages-10t.json -drop target=villages -o format=topojson target=* towns-10t.json
@@ -59,7 +62,10 @@ geo2topo -q 1e7 -n villages=<( \
   > base-mercator.json
 
 # Use mapshaper to remove extra slivers and islands outside of the boundaries.
-mapshaper -i base-mercator.json -filter-slivers -o format=topojson villages-mercator-10t.json
+mapshaper -i base-mercator.json -filter-slivers -o force format=topojson base-mercator.json
+
+# Use mapshaper to generate village topojson.
+mapshaper -i base-mercator.json -clean target=villages,towns,counties,nation -o format=topojson villages-mercator-10t.json
 
 # Use mapshaper to remove layers of detail we don't want for towns
 mapshaper -i villages-mercator-10t.json -drop target=villages -o format=topojson target=* towns-mercator-10t.json