Bugfix, initialization of fit_ellipse return value was not present.

VERSION

-303
+304
\ No newline at end of file

lib/+artoa/+trajectory/plotOffsetVariations.m

@@ -29,7 +29,7 @@ for i = 1:length(dates)
     currentResults = pVariationResults{i};
     % find ellipse by fit_ellipse function
     [~, plot_values] = fit_ellipse(currentResults.observations(:, 2), currentResults.observations(:, 1));
-    if isempty(plot_values)
+    if isempty(plot_values) | all(structfun(@(x) isempty(x), plot_values))
         continue;
     end
     

lib/vendor/fit_ellipse/fit_ellipse.m

@@ -136,7 +136,12 @@ function [ellipse_t, plot_values] = fit_ellipse( x,y )
 
 % initialize
 orientation_tolerance = 1e-3;
-plot_values = struct();
+plot_values = struct( ...
+    'new_ver_line', [], ...
+    'new_horz_line', [], ...
+    'R', [], ...
+    'rotated_ellipse', [] ...
+    );
 
 % empty warning stack
 warning( '' );