syntheyes.rb in tracksperanto-1.7.4

- old
+ new

@@ -1,9 +1,19 @@
-# Export for Syntheyes tracker UVs
+# 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 
 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
@@ -13,13 +23,29 @@
   def start_export( img_width, img_height)
     @width, @height = img_width, img_height
   end
   
   def start_tracker_segment(tracker_name)
-    @tracker_name = tracker_name
+    @last_f, @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)
-    @io.puts("%s %d %.6f %.6f 30" % values)
+    values << get_outcome_code(frame)
+    @io.puts("%s %d %.6f %.6f %d" % values)
   end
+  
+  private
+    # 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
+    def get_outcome_code(frame)
+      outcome = if @last_f.nil?
+        STATUS_KF
+      elsif @last_f && (@last_f != frame -1)
+        STATUS_REENABLE
+      else
+        STATUS_STD
+      end
+      @last_f = frame
+      outcome
+    end
 end