app configuration using JSON config file

.gitignore

@@ -1,5 +1,4 @@
 /node_modules
-/doc
 .idea/
 /examples/birmingham/data/identify/
 /examples/birmingham/data/split_data.py

doc/config_json.md

@@ -0,0 +1,56 @@
+Application configuration file
+=============================
+
+The configuration file is description of the application which is created using this config file.
+
+Structure
+----------
+**App object**
+```json
+{
+  "appName": "",
+  "dataFileName": "",
+  "description": "",
+  "language": "", // cs, uk
+  "dimensions": [
+  ]
+}
+```
+**Dimension object**
+```json
+{
+  "column": "",
+  "domain": [], // optional
+  "type": "day",
+  "name": "days", // KEY
+  "numBins": 12, // only for type: linear, date, hour
+  "filter": {
+    "numBins": 12 // filter granuality, only for type: linear, date, hour
+  },
+  "chart":{}  // optional
+}
+```
+available type: day, hour, date, month, ordinal, linear
+
+**Spatial dimension object**
+```json
+{
+  "xColumn": "",
+  "yColumn": "",
+  "type": "",
+  "filter": true,
+  "identifyFileURL": "", // only for type: identify
+  "radius": 300 
+}
+```
+available type:  heatmap, dotmap, identify
+
+
+**Chart object**
+```json
+{
+  "label": "",
+  "xLabel": "",
+  "yLabel": "" // optional
+}
+```

examples/init_config/app.json

@@ -0,0 +1,57 @@
+{
+  "appName": "Birmingham car accidents",
+  "dataFileName": "data/data.json",
+  "description": "bla bla bla bla ...",
+  "dimensions": [
+    {
+      "column": "timestamp",
+      "type": "hour",
+      "name": "hours",
+      "numBins": 24,
+      "filter": {
+        "numBins": 48
+      },
+      "chart": {
+        "label": "Hours",
+        "xLabel": "Hours",
+        "yLabel": "detections"
+      }
+    },
+    {
+      "column": "timestamp",
+      "type": "day",
+      "name": "days",
+      "filter": {},
+      "chart":{
+        "label": "Days in week",
+        "xLabel": "Day",
+        "yLabel": "detections"
+      }
+    },
+    {
+      "xColumn": "x",
+      "yColumn": "y",
+      "type": "heatmap",
+      "filter": false,
+      "radius": 500
+    },
+    {
+      "xColumn": "x",
+      "yColumn": "y",
+      "type": "dotmap",
+      "filter": false,
+      "radius": 30
+    },
+    {
+      "column": "speed_limit",
+      "type": "ordinal",
+      "name": "speed_limit",
+      "filter": {},
+      "chart":{
+        "label": "Speed limit",
+        "xLabel": "Speed limit",
+        "yLabel": "detections"
+      }
+    }
+  ]
+}