graph's path marker adjusted for gaps

Author: rossengeorgiev

cache.manifest

@@ -1,5 +1,5 @@
 CACHE MANIFEST
-# version 86
+# version 87
 
 # gogole maps files
 http://maps.google.com/maps/api/js?v=3.10&sensor=false&key=AIzaSyCOqkcNey4CCyG4X0X5qxHAhCgD8g5DwXg

js/plot_config.js

@@ -108,6 +108,9 @@ function updateLegend() {
     }
 
     if(follow_vehicle != -1 && vehicles[follow_vehicle].positions.length) {
+        // adjust index for null data points
+        j = j - vehicles[follow_vehicle].graph_data[0].nulls;
+        // update position
         polyMarker.setPosition(vehicles[follow_vehicle].positions[j]);
     }
 }

js/tracker.js

@@ -817,7 +817,7 @@ function graphAddLastPosition(idx) {
         var ts_last = data[0].data[ts_last_idx][0];
 
         if(ts_last + 120000 < ts) {
-            $.each(data, function(k,v) { v.data.push([ts_last+1, null]); })
+            $.each(data, function(k,v) { v.data.push([ts_last+1, null]); v.nulls += 1; })
         }
     }
 
@@ -828,6 +828,7 @@ function graphAddLastPosition(idx) {
                     color: '#33B5E5',
                     yaxis: series_idx,
                     lines: { show:true, fill: true, fillColor: "rgba(51, 181, 229, 0.1)" },
+                    nulls: 0,
                     data: []
                   };
     }