Ignoring consecutives fixations keeping only the last one.

1 files changed, 5 insertions, 20 deletions

diff --git a/src/argaze/GazeFeatures.py b/src/argaze/GazeFeatures.py
index d17d5b5..33b9ef8 100644
--- a/src/argaze/GazeFeatures.py
+++ b/src/argaze/GazeFeatures.py
@@ -367,7 +367,7 @@ class ScanStepError(Exception):
 
 @dataclass(frozen=True)
 class ScanStep():
-    """Define a scan step as a pair of successive fixation and saccade.
+    """Define a scan step as a fixation and a consecutive saccade.
     .. warning::
        Scan step have to start by a fixation and then end by a saccade."""
 
@@ -413,7 +413,7 @@ class ScanPath(list):
         
         self.__last_fixation = None
 
-    def append_saccade(self, ts, saccade):
+    def append_saccade(self, ts, saccade) -> ScanStepType:
         """Append new saccade to scan path and return last new scan step if one have been created."""
 
         # Ignore saccade if no fixation came before
@@ -435,27 +435,12 @@ class ScanPath(list):
                 # Clear last fixation
                 self.__last_fixation = None
 
-    def append_fixation(self, ts, fixation) -> bool:
+    def append_fixation(self, ts, fixation):
         """Append new fixation to scan path.
-
         .. warning::
-           It could raise ScanStepError"""
-
-        # No fixation came before
-        if self.__last_fixation == None:
-
-            self.__last_fixation = fixation
-
-        # Merge successive fixations
-        else:
-
-            try:
-                self.__last_fixation.merge(fixation)
-
-            # Merge method not implemented for this kind of fixation
-            except NotImplementedError as e:
+           Consecutives fixations are ignored keeping the last fixation"""
 
-                print(e)
+        self.__last_fixation = fixation
 
     def draw(self, frame, fixation_color=(255, 255, 255), saccade_color=(255, 255, 255), deepness=0):
         """Draw scan path into frame."""