lib/export/syntheyes.rb in tracksperanto-1.9.2 vs lib/export/syntheyes.rb in tracksperanto-1.9.3

@@ -1,19 +1,9 @@
-# Export for Syntheyes tracker UVs. We actually just use prebaked sample values, and do not use bitmasks such as
-# OUTCOME_RUN = 1 
-# OUTCOME_ENABLE = 2  -- mirrors the enable track 
-# OUTCOME_OK = 4   -- usable u/v present on this frame 
-# OUTCOME_KEY = 8   -- there is a key here (OK will be on too) 
-# OUTCOME_JUMPED = 16 
-# OUTCOME_OUTASIGHT = 32 
+# Export for Syntheyes tracker UVs.
 class Tracksperanto::Export::SynthEyes < Tracksperanto::Export::Base
   include Tracksperanto::UVCoordinates
   
-  STATUS_KF = 30
-  STATUS_STD = 7
-  STATUS_REENABLE = 15
-  
   def self.desc_and_extension
     "syntheyes_2dt.txt"
   end
   
   def self.human_name
@@ -27,17 +17,32 @@
   def start_tracker_segment(tracker_name)
     @last_registered_frame, @tracker_name = nil, tracker_name
   end
   
   def export_point(frame, abs_float_x, abs_float_y, float_residual)
-    values = [@tracker_name, frame] + absolute_to_uv(abs_float_x, abs_float_y, @width, @height)
-    values << get_outcome_code(frame)
+    values = [
+        @tracker_name,  frame, convert_to_uv(abs_float_x, @width), 
+        convert_to_uv(abs_float_y, @height) * -1, 
+        get_outcome_code(frame)
+    ]
     @io.puts("%s %d %.6f %.6f %d" % values)
   end
   
   private
+    STATUS_KF = 30 # When tracker starts or reenables
+    STATUS_STD = 7 # For a standard frame (not a keyframe)
+    STATUS_REENABLE = 15 # When the tracker goes back into view
+    
     # It's very important that we provide an outcome code for Syntheyes. Regular keyframes get
-    # STATUS_STD, and after a gap we have to signal STATUS_REENABLE, otherwise this might bust solves
+    # STATUS_STD, and after a gap we have to signal STATUS_REENABLE, otherwise this might bust solves.
+    # When syntheyes reads the file, it ORs the status of the keyframe with a number of masks
+    # OUTCOME_RUN = 1 
+    # OUTCOME_ENABLE = 2  -- mirrors the enable track 
+    # OUTCOME_OK = 4   -- usable u/v present on this frame 
+    # OUTCOME_KEY = 8   -- there is a key here (OK will be on too) 
+    # OUTCOME_JUMPED = 16 
+    # OUTCOME_OUTASIGHT = 32 
+    # We actually provide pregenerated status codes instead of that to get the desired outcome codes.
     def get_outcome_code(frame)
       outcome = if @last_registered_frame.nil?
         STATUS_KF
       elsif @last_registered_frame != (frame - 1)
         STATUS_REENABLE