Don't use too short speed measurements for quantizer learning

[r2c2.git] / source / libr2c2 / train.cpp

diff --git a/source/libr2c2/train.cpp b/source/libr2c2/train.cpp
index 93ebebec3c16ef66502da7045fe6df24cf429a4d..ba1a861b9e24ec75f14a91049d8d3a76b54fc29f 100644 (file)
--- a/source/libr2c2/train.cpp
+++ b/source/libr2c2/train.cpp
@@ -763,7 +763,7 @@ void Train::block_state_changed(Block &block, Block::State state)
                        // Compute speed and update related state
                        float travel_time_secs = (Time::now()-last_entry_time)/Time::sec;
 
-                       if(pure_speed && speed_quantizer && current_speed_step>0)
+                       if(pure_speed && speed_quantizer && current_speed_step>0 && travel_time_secs>=2)
                                speed_quantizer->learn(current_speed_step, travel_dist/travel_time_secs, travel_time_secs);
 
                        travel_dist = 0;