diff --git a/lib/vectortilefeature.js b/lib/vectortilefeature.js
index b9880a1..1cb7cc6 100644
--- a/lib/vectortilefeature.js
+++ b/lib/vectortilefeature.js
@@ -38,6 +38,63 @@ function readTag(pbf, feature) {
 
 VectorTileFeature.types = ['Unknown', 'Point', 'LineString', 'Polygon'];
 
+VectorTileFeature.prototype.getFlatGeometryAndHoles = function(indexX, indexY) {
+    var pbf = this._pbf;
+    pbf.pos = this._geometry;
+
+    var tileX = this.extent * indexX,
+        tileY = this.extent * indexY;
+
+    var end = pbf.readVarint() + pbf.pos,
+        cmd = 1,
+        length = 0,
+        x = 0,
+        y = 0,
+        ringFirstPosition = [],
+        positions = [],
+        holeIndices = [];
+
+    while (pbf.pos < end) {
+        if (length <= 0) {
+            var cmdLen = pbf.readVarint();
+            cmd = cmdLen & 0x7;
+            length = cmdLen >> 3;
+        }
+
+        length--;
+
+        if (cmd === 1 || cmd === 2) {
+            x += pbf.readSVarint();
+            y += pbf.readSVarint();
+
+            if (cmd === 1) { // moveTo
+                // Starting or new hole
+                // if (line) lines.push(line);
+                // line = [];
+                ringFirstPosition = [x + tileX, y + tileY];
+            }
+
+            positions.push(x + tileX);
+            positions.push(y + tileY);
+
+        } else if (cmd === 7) {
+            positions.push(ringFirstPosition[0]); // closePolygon
+            positions.push(ringFirstPosition[1]); // closePolygon
+            holeIndices.push(positions.length);
+        } else {
+            throw new Error('unknown command ' + cmd);
+        }
+    }
+
+    holeIndices.pop();
+
+    // return lines;
+    return {
+        positions: positions,
+        holeIndices: holeIndices
+    };
+};
+
 VectorTileFeature.prototype.loadGeometry = function() {
     var pbf = this._pbf;
     pbf.pos = this._geometry;
@@ -126,6 +183,21 @@ VectorTileFeature.prototype.bbox = function() {
     return [x1, y1, x2, y2];
 };
 
+VectorTileFeature.prototype.toUnprojectedJSON = function(x, y) {
+    var type = VectorTileFeature.types[this.type];
+
+    var geometry = this.getFlatGeometryAndHoles(x, y);
+
+    var geometryValue = { type: type };
+    Object.assign(geometryValue, geometry);
+
+    return {
+        type: "Feature",
+        geometry: geometryValue,
+        properties: this.properties
+    }
+};
+
 VectorTileFeature.prototype.toGeoJSON = function(x, y, z) {
     var size = this.extent * Math.pow(2, z),
         x0 = this.extent * x,