58 lines
1.6 KiB
C++
58 lines
1.6 KiB
C++
#include <iostream>
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#include <string>
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#include <stdexcept>
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#include "ElevationReader.h"
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void print_usage()
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{
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std::cerr << "Usage: elevation_cli <path_to_hgt_directory> <latitude> <longitude>" << std::endl;
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std::cerr << "Example: elevation_cli ../geoelevation_dem_cache/hgt_tiles 45.07 7.68" << std::endl;
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}
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int main(int argc, char* argv[])
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{
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if (argc != 4)
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{
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print_usage();
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return 1;
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}
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std::string hgt_dir;
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double lat, lon;
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try
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{
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hgt_dir = argv[1];
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lat = std::stod(argv[2]);
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lon = std::stod(argv[3]);
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} catch (const std::invalid_argument& e)
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{
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std::cerr << "Error: Invalid latitude or longitude format." << std::endl;
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print_usage();
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return 1;
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} catch (const std::out_of_range& e)
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{
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std::cerr << "Error: Latitude or longitude value is out of range." << std::endl;
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print_usage();
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return 1;
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}
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try
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{
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ElevationReader reader(hgt_dir);
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double elevation = reader.get_elevation(lat, lon);
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std::cout << "Querying for Latitude=" << lat << ", Longitude=" << lon << std::endl;
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if (elevation == USER_NO_DATA_VALUE)
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{
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std::cout << "Result: Elevation data not available for this location." << std::endl;
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}
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else
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{
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std::cout << "Result: Elevation is " << elevation << " meters." << std::endl;
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}
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} catch (const std::exception& e)
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{
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std::cerr << "An unexpected error occurred: " << e.what() << std::endl;
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return 1;
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}
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return 0;
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} |