diff --git a/Segment.cpp b/Segment.cpp
index 21070e8d..847f2101 100644
--- a/Segment.cpp
+++ b/Segment.cpp
@@ -535,4 +535,9 @@ void TSegment::render_lines(std::vector<gfx::basic_vertex> &out, float quality)
 		previous = glm::vec3(FastGetPoint(x));
 		out.push_back(gfx::basic_vertex(previous, glm::vec3(0.0f), glm::vec2(0.0f)));
 	}
+
+	out.push_back(gfx::basic_vertex(previous, glm::vec3(0.0f), glm::vec2(0.0f)));
+
+	previous = glm::vec3(FastGetPoint(1.0));
+	out.push_back(gfx::basic_vertex(previous, glm::vec3(0.0f), glm::vec2(0.0f)));
 }
diff --git a/Track.cpp b/Track.cpp
index c9854b46..ad45191f 100644
--- a/Track.cpp
+++ b/Track.cpp
@@ -1137,12 +1137,12 @@ void TTrack::create_map_geometry(std::vector<gfx::basic_vertex> &Bank)
 	{
 	case tt_Normal:
 	case tt_Table:
-		Segment->render_lines(Bank, 1.0f);
+		Segment->render_lines(Bank, 0.5f);
 		break;
 	case tt_Switch:
 	case tt_Cross:
-		SwitchExtension->Segments[0]->render_lines(Bank, 1.0f);
-		SwitchExtension->Segments[1]->render_lines(Bank, 1.0f);
+		SwitchExtension->Segments[0]->render_lines(Bank, 0.5f);
+		SwitchExtension->Segments[1]->render_lines(Bank, 0.5f);
 		break;
 	default:
 		break;
diff --git a/lua.cpp b/lua.cpp
index 33daabca..a6ad04fd 100644
--- a/lua.cpp
+++ b/lua.cpp
@@ -32,7 +32,7 @@ lua::~lua()
 void lua::interpret(std::string file)
 {
 	if (luaL_dofile(state, file.c_str())) {
-		char *str = lua_tostring(state, -1);
+		const char *str = lua_tostring(state, -1);
 		ErrorLog(std::string(str), logtype::lua);
 	}
 }
diff --git a/widgets/map.cpp b/widgets/map.cpp
index 86bc2750..6b6eb585 100644
--- a/widgets/map.cpp
+++ b/widgets/map.cpp
@@ -232,7 +232,7 @@ void ui::map_panel::render_contents()
 			glm::vec2 ndc_pos = surface_pos / surface_size * 2.0f - 1.0f;
 			glm::vec3 world_pos = glm::inverse(transform) * glm::vec4(ndc_pos.x, 0.0f, -ndc_pos.y, 1.0f);
 
-			std::vector<TEventLauncher *> launchers = simulation::Events.find_eventlaunchers(glm::vec2(world_pos.x, world_pos.z), 0.01f / zoom);
+			std::vector<TEventLauncher *> launchers = simulation::Events.find_eventlaunchers(glm::vec2(world_pos.x, world_pos.z), 15.0f);
 
 			for (auto launcher : launchers) {
 				command_relay relay;