syntheyes.rb in tracksperanto-2.1.1

- old
+ new

@@ -13,11 +13,11 @@
   def start_export( img_width, img_height)
     @width, @height = img_width, img_height
   end
   
   def start_tracker_segment(tracker_name)
-    @last_registered_frame, @tracker_name = nil, tracker_name
+    @last_registered_frame, @tracker_name = nil, camelize(tracker_name)
   end
   
   def export_point(frame, abs_float_x, abs_float_y, float_residual)
     values = [
         @tracker_name,  frame, convert_to_uv(abs_float_x, @width), 
@@ -40,15 +40,31 @@
     # 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.
+    # When you set all frames to be keyframes this affects the solver in a negative way because Syntheyes
+    # (reasonably) gives priority to keyframes over standard frames of the tracker - and also
+    # the transition frames parameter does not work too well over keyframes
     def get_outcome_code(frame)
       outcome = if @last_registered_frame.nil? || (@last_registered_frame != (frame - 1))
         STATUS_REENABLE
       else
         STATUS_STD
       end
       @last_registered_frame = frame
       outcome
+    end
+
+    # The import script in Syntheyes is designed to transform "Tracker_1"
+    # into "Tracker 1" by replacing underscores with spaces. This is all good and
+    # well but downstream when Syntheyes exports the matchmove some apps will be
+    # getting the features reinstated with spaces in their names. In some cases
+    # (for example in Maya) this leads to dangling groups because primitives with spaces
+    # in names cannot even be created! The reach of this problem is dependent on the
+    # sanity of the one who wrote the export sizzle script for Syntheyes. The morale of the
+    # story is - we will use CamelCase instead of underscores and avoid having
+    # spaces in feature names as such
+    def camelize(lower_case_and_underscored_word)
+      lower_case_and_underscored_word.to_s.gsub(/\/(.?)/) { "::#{$1.upcase}" }.gsub(/(?:^|_)(.)/) { $1.upcase }
     end
 end