--- a/trafficintelligence/moving.py	Thu Sep 07 16:20:28 2023 -0400
+++ b/trafficintelligence/moving.py	Fri Sep 08 17:09:12 2023 -0400
@@ -817,6 +817,34 @@
                 t.addPosition(p)
         return t
 
+    @staticmethod
+    def fromPointDict(points):
+        '''Points is a dict of points where keys are time instants
+        and there are (probably) missing positions'''
+        instants = sorted(list(points))
+        # find all gaps
+        t1 = instants[0]
+        gap = False
+        gaps = []
+        for t in range(instants[0], instants[-1]+1):
+            if t in instants:
+                if gap:
+                    t2 = t
+                    # store gap
+                    gaps.append([t1, t2])
+                    gap = False
+                    t1 = t
+                else:
+                    t1 = t
+            else:
+                gap = True
+        # interpolate for gaps
+        for gap in gaps:
+            v = (points[gap[1]]-points[gap[0]]).divide(gap[1]-gap[0])
+            for t in range(gap[0]+1, gap[1]):
+                points[t]=points[t-1]+v
+        return Trajectory.fromPointList([points[t] for t in range(instants[0], instants[-1]+1)])
+    
     def __len__(self):
         return len(self.positions[0])
 
@@ -1376,13 +1404,13 @@
                  'truck',
                  'automated']
 
-coco2Types = {0: 2, 1: 4, 2: 1, 5: 5, 7: 6}
+coco2Types = {0: 2, 1: 4, 2: 1, 3: 3, 5: 5, 7: 6}
 cocoTypeNames = {0: 'person',
                  1: 'bicycle',
 	         2: 'car',
                  3: 'motorcycle',
                  5: 'bus',
-                 6: 'train',
+                 #6: 'train',
                  7: 'truck'}
 
 userType2Num = utils.inverseEnumeration(userTypeNames)