diff --git a/private/LeptonInjector/Controller.cxx b/private/LeptonInjector/Controller.cxx
index c1b8775..956b4f8 100644
--- a/private/LeptonInjector/Controller.cxx
+++ b/private/LeptonInjector/Controller.cxx
@@ -71,6 +71,10 @@ namespace LeptonInjector {
         this->earthModel = earthModel_;
     }
 
+    void Controller::setEarthModel(const std::string & earthModelName_, const std::string & earthModelTablePath_){
+        this->earthModel = std::make_shared<earthmodel::EarthModelService>(earthModelName_, earthModelTablePath_);
+    }
+
     void Controller::NameOutfile( std::string out_file_){
         out_file = out_file_;
     }
diff --git a/private/pybindings/LeptonInjector.cxx b/private/pybindings/LeptonInjector.cxx
index a4bd224..6d0ec68 100644
--- a/private/pybindings/LeptonInjector.cxx
+++ b/private/pybindings/LeptonInjector.cxx
@@ -87,6 +87,7 @@ BOOST_PYTHON_MODULE(LeptonInjector){
         (args("injectors"),args("minimum energy"),args("maximum energy"),args("spectral index"),args("minimum azimuth"),args("maximum azimuth"),args("minimum zenith"),args("maximum zenith"),args("injection radius")=1200., args("endcap length")=1200., args("cylinder radius")=1200., args("cylinder height")=1200.))
         )
         .def("Execute",&Controller::Execute)
+        .def("SetEarthModel",&Controller::setEarthModel)
         .def("AddInjector",&Controller::AddInjector)
         .def("NameOutfile",&Controller::NameOutfile)
         .def("NameLicFile",&Controller::NameLicFile)
diff --git a/public/LeptonInjector/Controller.h b/public/LeptonInjector/Controller.h
index ab7da84..3978144 100644
--- a/public/LeptonInjector/Controller.h
+++ b/public/LeptonInjector/Controller.h
@@ -73,6 +73,8 @@ class Controller{
         
         // changes the Earth model to be used with the injectors
         void SetEarthModel(std::shared_ptr<earthmodel::EarthModelService> earthModel);
+        void setEarthModel(const std::string & earthmodel, const std::string &earthmodelpath);
+
         // adds a new injector to be used in the process 
         void AddInjector(Injector configs_received);
         // changes the name of the data file
diff --git a/resources/examples/inject_muons.py b/resources/examples/inject_muons.py
index a3c72af..3adcb46 100644
--- a/resources/examples/inject_muons.py
+++ b/resources/examples/inject_muons.py
@@ -22,8 +22,8 @@
 diff_xs     = xs_folder + "/test_xs.fits"
 total_xs    = xs_folder + "/test_xs_total.fits"
 is_ranged   = True
-final_1     = LI.Particle.MuMinus
-final_2     = LI.Particle.Hadrons
+final_1     = LI.Particle.ParticleType.MuMinus
+final_2     = LI.Particle.ParticleType.Hadrons
 the_injector = LI.Injector( n_events , final_1, final_2, diff_xs, total_xs, is_ranged)
 
 
@@ -42,7 +42,9 @@
 # construct the controller 
 controller  = LI.Controller( the_injector, minE, maxE, gamma, minAzimuth, maxAzimuth, minZenith, maxZenith)  
 
-# specify the output
+# specify the output, earth model
+path_to = os.path.join(os.path.dirname(__file__), "..","earthparams/")
+controller.SetEarthModel("Planet", path_to)
 controller.NameOutfile("./data_output.h5")
 controller.NameLicFile("./config.lic")