lib/geoptima/locator.rb in geoptima-0.1.19 vs lib/geoptima/locator.rb in geoptima-0.1.20

@@ -59,11 +59,11 @@
         puts "No correlation possible for point: "+point
       end
     end
   end
   module Locatable
-    attr_accessor :previous_point, :next_point, :previous_point_gap, :next_point_gap, :location
+    attr_accessor :previous_gps, :previous_point, :next_point, :previous_point_gap, :next_point_gap, :location
     def closer_than(gps,window=0.0)
       if $debug && gps && window > 0
         puts "Comparing times:"
         puts "\tGPS: #{gps.time}"
         puts "\tEvent: #{self.time}"
@@ -77,12 +77,15 @@
         self.next_point = gps.location
         self.next_point_gap = (self - gps).abs
       end
     end
     def set_previous_if(gps,time_window=0.0)
-      if closer_than(gps,time_window)
-        self.previous_point = gps.location
-        self.previous_point_gap = (self - gps).abs
+      if gps
+        self.previous_gps = gps
+        if closer_than(gps,time_window)
+          self.previous_point = gps.location
+          self.previous_point_gap = (self - gps).abs
+        end
       end
     end
   end
   class LocatableImpl
     attr_reader :name, :attributes