Set any log level with --log-level (stella-cv#133) (stella-cv#140)

src/run_slam.cc

@@ -126,7 +126,7 @@ int main(int argc, char* argv[]) {
     auto vocab_file_path = op.add<popl::Value<std::string>>("v", "vocab", "vocabulary file path");
     auto setting_file_path = op.add<popl::Value<std::string>>("c", "config", "setting file path");
     auto mask_img_path = op.add<popl::Value<std::string>>("", "mask", "mask image path", "");
-    auto debug_mode = op.add<popl::Switch>("", "debug", "debug mode");
+    auto log_level = op.add<popl::Value<std::string>>("", "log-level", "log level", "info");
     auto eval_log = op.add<popl::Switch>("", "eval-log", "store trajectory and tracking times for evaluation");
     auto map_db_path_in = op.add<popl::Value<std::string>>("i", "map-db-in", "load a map from this path", "");
     auto map_db_path_out = op.add<popl::Value<std::string>>("o", "map-db-out", "store a map database at this path after slam", "");
@@ -157,12 +157,7 @@ int main(int argc, char* argv[]) {
 
     // setup logger
     spdlog::set_pattern("[%Y-%m-%d %H:%M:%S.%e] %^[%L] %v%$");
-    if (debug_mode->is_set()) {
-        spdlog::set_level(spdlog::level::debug);
-    }
-    else {
-        spdlog::set_level(spdlog::level::info);
-    }
+    spdlog::set_level(spdlog::level::from_str(log_level->value()));
 
     // load configuration
     std::shared_ptr<stella_vslam::config> cfg;