Remove explicit references to render mode PILSVG, etc

README.rst

@@ -147,7 +147,7 @@ Basic usage of the RailEnv environment used by the Flatland Challenge
                                         seed=0),
                 number_of_agents=2)
     
-    env_renderer = RenderTool(env, gl="PILSVG")
+    env_renderer = RenderTool(env)
     
     for step in range(100):
         obs, all_rewards, done, _ = env.step(

examples/demo.py

@@ -75,7 +75,7 @@ class Demo:
         self.record_frames = record_frames
 
     def create_renderer(self):
-        self.renderer = RenderTool(self.env, gl="PILSVG")
+        self.renderer = RenderTool(self.env)
         handle = self.env.get_agent_handles()
         return handle
 

examples/play_model.py

@@ -93,7 +93,7 @@ def max_lt(seq, val):
     return None
 
 
-def main(render=True, delay=0.0, n_trials=3, n_steps=50, sGL="PILSVG"):
+def main(render=True, delay=0.0, n_trials=3, n_steps=50):
     random.seed(1)
     np.random.seed(1)
 
@@ -103,7 +103,7 @@ def main(render=True, delay=0.0, n_trials=3, n_steps=50, sGL="PILSVG"):
                   number_of_agents=5)
 
     if render:
-        env_renderer = RenderTool(env, gl=sGL)
+        env_renderer = RenderTool(env)
 
     oPlayer = Player(env)
 

examples/simple_example_1.py

@@ -18,7 +18,7 @@ env = RailEnv(width=6,
 
 env.reset()
 
-env_renderer = RenderTool(env, gl="PILSVG")
+env_renderer = RenderTool(env)
 env_renderer.renderEnv(show=True)
 env_renderer.renderEnv(show=True)
 

examples/simple_example_3.py

@@ -21,7 +21,7 @@ obs, all_rewards, done, _ = env.step({0: 0})
 for i in range(env.get_num_agents()):
     env.obs_builder.util_print_obs_subtree(tree=obs[i], num_features_per_node=7)
 
-env_renderer = RenderTool(env, gl="PILSVG")
+env_renderer = RenderTool(env)
 env_renderer.renderEnv(show=True, frames=True)
 env_renderer.renderEnv(show=True, frames=True)
 

examples/tkplay.py

-from examples.play_model import Player
+try:
+    from examples.play_model import Player
+except ImportError:
+    from play_model import Player
+
 from flatland.envs.generators import complex_rail_generator
 from flatland.envs.rail_env import RailEnv
 from flatland.utils.rendertools import RenderTool