48 lines
1.1 KiB
C++
48 lines
1.1 KiB
C++
#include <iostream>
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#include <fstream>
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#include <string>
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#include "s2/s2earth.h"
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#include "s2/s2cell_id.h"
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#include "s2/s1angle.h"
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using namespace std;
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uint64 latLonStringsToCellId(string latString, string lonString) {
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S1Angle lat = S1Angle::Degrees(atof(latString.c_str()));
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S1Angle lon = S1Angle::Degrees(atof(lonString.c_str()));
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S2LatLng latLng = S2LatLng(lat, lon).Normalized();
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S2CellId s2CellId = S2CellId(latLng);
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return s2CellId.id();
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}
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int main(int argc, char **argv) {
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fstream file;
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file.open("./sample-lat-lon.csv", fstream::in);
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if (!file) {
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cerr << "Could not open input file" << endl;
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exit(1);
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}
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string latString = "";
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string lonString = "";
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string header;
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getline(file, header, '\n');
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cout << header << ",cellid" << "\n";
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while (getline(file, latString, ',')) {
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getline(file, lonString, '\n') ;
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uint64 generatedCellId = latLonStringsToCellId(latString, lonString);
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cout << latString << "," << lonString << "," << generatedCellId << "\n";
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}
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return 0;
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}
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