Check for MF plugin

FullSimLight/fullSimLight.cc

@@ -244,7 +244,7 @@ int main(int argc, char** argv) {
         detector->SetGeometryFileName (simConfig::fsl.geometry);
         runManager->SetUserInitialization(detector);
         
-        detector->SetMagFieldPluginPath(simConfig::fsl.magFieldPlugin);
+        if(simConfig::fsl.magFieldType=="Map") detector->SetMagFieldPluginPath(simConfig::fsl.magFieldPlugin);
         
         //parse RegionsData
         for (const auto& element : simConfig::jf["Regions data"]){