GEOJSON (POIs) render output

README.md

@@ -2,3 +2,8 @@
 
 Takes CSV or tab-delimited data from Excel and converts it into several web-friendly formats, include JSON and XML.
 View it in action here: http://shancarter.github.com/mr-data-converter/
+
+__GEOJSON (POI) render__
+GEOJSON render takes coordinates of the POI from the column called "lat" or "lattitude" and "long" or "longitude". The rest of the columns will be converted to properties of the POI.
+__Sample__
+`team,type,city,latitude,longitude`

js/DataGridRenderer.js

@@ -155,6 +155,89 @@ var DataGridRenderer = {
 
     return outputText;
   },
+
+  //---------------------------------------
+  // GEOJSON properties
+  //---------------------------------------
+
+  geojson: function (dataGrid, headerNames, headerTypes, indentStr, newLineStr) {
+
+    // utils
+    var repeat = function(s,n) {
+      return new Array(n + 1).join(s);
+    }
+
+    //inits...
+    var commentLine = '//';
+    var commentLineEnd = '';
+    var numRows = dataGrid.length;
+    var numColumns = headerNames.length;
+    var outputText = '{' + newLineStr +
+              indentStr + '"type": "FeatureCollection",' + newLineStr +
+              indentStr + '"features": [';
+
+    //begin render loop
+    for (var i=0; i < numRows; i++) {
+      var row = dataGrid[i];
+      var coordinates = [];
+
+      outputText += ((i > 0) ? ", " : "") +
+       '{' + newLineStr +
+       repeat(indentStr,2) + '"type": "Feature",' + newLineStr +
+       repeat(indentStr,2) + '"properties": {';
+
+      for (var j=0; j < numColumns; j++) {
+
+        if ((headerNames[j] == "lat")||(headerNames[j] == "latitude")) {
+
+          coordinates[1] = row[j] || null;
+
+        } else if ((headerNames[j] == "long")||(headerNames[j] == "longitude")) {
+
+          coordinates[0] = row[j] || null;
+
+        } else {
+
+          if ((headerTypes[j] == "int")||(headerTypes[j] == "float")) {
+
+            var rowOutput = row[j] || "null";
+
+          } else {
+
+            var rowOutput = '"' + ( row[j] || "" ) + '"';
+
+          };
+
+          outputText += ((j > 0) ? "," : "") + newLineStr +
+            repeat(indentStr,3) + ('"'+ headerNames[j] +'"' + ":" + rowOutput );
+
+        };
+
+        if (j >= (numColumns-1)) {
+
+          outputText += newLineStr + repeat(indentStr,2) +"}";
+
+        };
+
+        if (coordinates[0] && coordinates[1]) {
+
+           outputText += "," + newLineStr +
+            repeat(indentStr,2) + '"geometry": {' + newLineStr +
+              repeat(indentStr,3) + '"type": "Point",' + newLineStr +
+              repeat(indentStr,3) + '"coordinates": [' + coordinates[0] + ',' + coordinates[1] + ']' + newLineStr +
+            repeat(indentStr,2) + '}';
+
+        };
+
+      };
+
+      outputText += newLineStr + indentStr + "}";
+    };
+
+    outputText += "]" + newLineStr + "}";
+
+    return outputText;
+  },
 
   //---------------------------------------
   // JSON Array of Columns

js/converter.js

@@ -20,6 +20,7 @@ function DataConverter(nodeId) {
                                 {"text":"Actionscript",           "id":"as",               "notes":""},
                                 {"text":"ASP/VBScript",           "id":"asp",              "notes":""},
                                 {"text":"HTML",                   "id":"html",             "notes":""},
+                                {"text":"GEOJSON (POIs)",         "id":"geojson",          "notes":"Fields others than lat long go to properties. {lat} or {latitude} and {long} or {longitude} are the geocoordinates of the POI."},
                                 {"text":"JSON - Properties",      "id":"json",             "notes":""},
                                 {"text":"JSON - Column Arrays",   "id":"jsonArrayCols",    "notes":""},
                                 {"text":"JSON - Row Arrays",      "id":"jsonArrayRows",    "notes":""},