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mapnik-index - add experimental --bbox,-b option to limit index to provided bounding box e.g

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```mapnik-index -b -5.51418,50.1944,-5.46256,50.2241 data.geojson```
This commit is contained in:
artemp 2017-08-18 13:42:54 +01:00
parent 2aa0ce9d74
commit 94ef6170d8
1 changed files with 13 additions and 5 deletions
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18
utils/mapnik-index/mapnik-index.cpp
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@ -69,21 +69,24 @@ int main (int argc, char** argv)
char separator = 0;
char quote = 0;
std::string manual_headers;
mapnik::box2d<float> bbox;
bool use_bbox = false;
po::variables_map vm;
try
{
po::options_description desc("Mapnik CSV/GeoJSON index utility");
desc.add_options()
("help,h", "produce usage message")
("version,V","print version string")
("verbose,v","verbose output")
("depth,d", po::value<unsigned int>(), "max tree depth\n(default 8)")
("ratio,r",po::value<double>(),"split ratio (default 0.55)")
("help,h", "Produce usage message")
("version,V","Print version string")
("verbose,v","Verbose output")
("depth,d", po::value<unsigned int>(), "Max tree depth\n(default 8)")
("ratio,r",po::value<double>(),"Split ratio (default 0.55)")
("separator,s", po::value<char>(), "CSV columns separator")
("quote,q", po::value<char>(), "CSV columns quote")
("manual-headers,H", po::value<std::string>(), "CSV manual headers string")
("files",po::value<std::vector<std::string> >(),"Files to index: file1 file2 ...fileN")
("validate-features", "Validate GeoJSON features")
("bbox,b", po::value<std::string>(), "Only index features within bounding box: --bbox=minx,miny,maxx,maxy")
;
po::positional_options_description p;
@ -137,6 +140,10 @@ int main (int argc, char** argv)
{
files=vm["files"].as<std::vector<std::string> >();
}
if (vm.count("bbox") && bbox.from_string(vm["bbox"].as<std::string>()))
{
use_bbox = true;
}
}
catch (std::exception const& ex)
{
@ -214,6 +221,7 @@ int main (int argc, char** argv)
for (auto const& item : boxes)
{
auto ext_f = std::get<0>(item);
if (use_bbox && !bbox.intersects(ext_f)) continue;
mapnik::util::index_record rec =
{std::get<1>(item).first, std::get<1>(item).second, {ext_f.minx(), ext_f.miny(), ext_f.maxx(), ext_f.maxy()}};
tree.insert(rec, ext_f);