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Add an option to calculate feature density as a feature attribute

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Eric Fischer
2016-05-27 16:25:40 -07:00
parent 4030cc7c58
commit 692112ec3a
7 changed files with 58 additions and 6 deletions
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main.cpp
+8
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@@ -987,6 +987,13 @@ int read_input(std::vector<source> &sources, char *fname, const char *layername,
std::string reading;
int fd;
if (additional[A_CALCULATE_FEATURE_DENSITY]) {
type_and_string tas;
tas.type = VT_NUMBER;
tas.string = "tippecanoe_feature_density";
file_keys[source].insert(tas);
}
if (source >= sources.size()) {
reading = "standard input";
fd = 0;
@@ -1771,6 +1778,7 @@ int main(int argc, char **argv) {
{"check-polygons", no_argument, &additional[A_DEBUG_POLYGON], 1},
{"drop-polygons", no_argument, &additional[A_POLYGON_DROP], 1},
{"prefer-radix-sort", no_argument, &additional[A_PREFER_RADIX_SORT], 1},
{"calculate-feature-density", no_argument, &additional[A_CALCULATE_FEATURE_DENSITY], 1},
{"no-line-simplification", no_argument, &prevent[P_SIMPLIFY], 1},
{"simplify-only-low-zooms", no_argument, &prevent[P_SIMPLIFY_LOW], 1},