node-moving-things-tracker - npm Package Compare versions

Comparing version 0.5.4 to 0.6.0

main.js

@@ -55,2 +55,7 @@ #! /usr/bin/env node
 
+// If MODE is BEATTHETRAFFIC keep all tracker history in memory
+if(MODE_BEATTHETRAFFIC) {
+  Tracker.enableKeepInMemory();
+}
+
 // Parse detections input
@@ -57,0 +62,0 @@ fs.readFile(`${pathRawDetectionsInput}`, function(err, f){

package.json

 {
   "name": "node-moving-things-tracker",
-  "version": "0.5.4",
+  "version": "0.6.0",
   "description": "Tracker by detections in javascript for node.js / browsers",
@@ -5,0 +5,0 @@ "url": "https://github.com/tdurand/node-moving-things-tracker",

README.md

 # node-moving-things-tracker
 
-node-moving-things-tracker is a javascript implementation of the _"tracker by detections"_ for realtime multiple object tracking (MOT) in node.js / browsers. 
+node-moving-things-tracker is a javascript implementation of a _"tracker by detections"_ for realtime multiple object tracking (MOT) in node.js / browsers. 
 
 Commissioned by moovel lab for [Beat the Traffic X](http://beatthetraffic.moovellab.com/) and the [Open Data Cam](http://opendatacam.moovellab.com/) project.
 
-## confidencelem
+## Problem
 
@@ -9,0 +9,0 @@ How to track persistently multiple moving things from frame-by-frame object detections inputs? How to assign an unique identifier to frame-by-frame object detection results?

tracker.js

@@ -24,2 +24,5 @@ var ItemTracked = require('./ItemTracked').ItemTracked;
 
+// By default, we do not keep all the history in memory
+var keepAllHistoryInMemory = false;
+
 // Implementation detail, we store the distance in a KDTREE, we want to be able to exclude values from 
@@ -206,3 +209,5 @@ // the kdtree search by assigning them KDTREESEARCH_LIMIT + 1
           treeItemsTracked.remove(itemTracked);
-          mapOfAllItemsTracked.set(itemTracked.id, itemTracked);
+          if(keepAllHistoryInMemory) {
+            mapOfAllItemsTracked.set(itemTracked.id, itemTracked);
+          }
         }
@@ -220,2 +225,10 @@ }
 
+exports.enableKeepInMemory = function() {
+  keepAllHistoryInMemory = true;
+}
+
+exports.disableKeepInMemory = function() {
+  keepAllHistoryInMemory = false;
+}
+
 exports.getJSONOfTrackedItems = function() {
@@ -233,2 +246,3 @@ return Array.from(mapOfItemsTracked.values()).map(function(itemTracked) {
 
+// Work only if keepInMemory is enabled
 exports.getAllTrackedItems = function() {
@@ -238,2 +252,3 @@ return mapOfAllItemsTracked;
 
+// Work only if keepInMemory is enabled
 exports.getJSONOfAllTrackedItems = function() {
@@ -240,0 +255,0 @@ return Array.from(mapOfAllItemsTracked.values()).map(function(itemTracked) {

No alert changes

Improved metrics

Total package byte prevSize

77221

0.65%

Lines of code

1864

0.87%

No dependency changes