updated examples

examples/simple_example_2.py

@@ -32,7 +32,7 @@ env = RailEnv(width=10,
 
 env.reset()
 
-env_renderer = RenderTool(env, gl="PILSVG")
+env_renderer = RenderTool(env, gl="PIL")
 env_renderer.renderEnv(show=True)
 env_renderer.renderEnv(show=True)
 

examples/simple_example_3.py

@@ -2,7 +2,7 @@ import random
 
 import numpy as np
 
-from flatland.envs.generators import random_rail_generator
+from flatland.envs.generators import random_rail_generator, complex_rail_generator
 from flatland.envs.observations import TreeObsForRailEnv
 from flatland.envs.rail_env import RailEnv
 from flatland.utils.rendertools import RenderTool
@@ -12,7 +12,7 @@ np.random.seed(1)
 
 env = RailEnv(width=7,
               height=7,
-              rail_generator=random_rail_generator(),
+              rail_generator=complex_rail_generator(nr_start_goal=10, nr_extra=1, min_dist=8, max_dist=99999, seed=0),
               number_of_agents=2,
               obs_builder_object=TreeObsForRailEnv(max_depth=2))
 
@@ -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="PIL")
+env_renderer = RenderTool(env, gl="PILSVG")
 env_renderer.renderEnv(show=True, frames=True)
 env_renderer.renderEnv(show=True, frames=True)