diff --git a/src/ol/tile/tilegrid.js b/src/ol/tile/tilegrid.js
index 87d7cc5233..c563b19154 100644
--- a/src/ol/tile/tilegrid.js
+++ b/src/ol/tile/tilegrid.js
@@ -103,32 +103,6 @@ ol.TileGrid.prototype.getExtent = function() {
 };
 
 
-/**
- * @param {ol.Extent} extent Extent.
- * @param {number} z Z.
- * @return {ol.TileBounds} Tile bounds.
- */
-ol.TileGrid.prototype.getTileBoundsForExtentAndZ = function(extent, z) {
-  var resolution = this.getResolution(z);
-  return this.getTileBoundsForExtentAndResolution(extent, resolution);
-};
-
-
-/**
- * @param {ol.Extent} extent Extent.
- * @param {number} resolution Resolution.
- * @return {ol.TileBounds} Tile bounds.
- */
-ol.TileGrid.prototype.getTileBoundsForExtentAndResolution = function(
-    extent, resolution) {
-  var min = this.getTileCoordForCoordAndResolution(
-      new ol.Coordinate(extent.minX, extent.minY), resolution);
-  var max = this.getTileCoordForCoordAndResolution(
-      new ol.Coordinate(extent.maxX, extent.maxY), resolution);
-  return new ol.TileBounds(min.x, min.y, max.x, max.y);
-};
-
-
 /**
  * @param {number} z Z.
  * @return {ol.Coordinate} Origin.
@@ -144,6 +118,26 @@ ol.TileGrid.prototype.getOrigin = function(z) {
 };
 
 
+/**
+ * @param {ol.TileCoord} tileCoord Tile coordinate.
+ * @param {number} resolution Resolution.
+ * @return {ol.PixelBounds} Pixel bounds.
+ */
+ol.TileGrid.prototype.getPixelBoundsForTileCoordAndResolution = function(
+    tileCoord, resolution) {
+  var scale = resolution / this.getResolution(tileCoord.z);
+  var tileSize = this.getTileSize();
+  tileSize = new ol.Size(tileSize.width / scale,
+                         tileSize.height / scale);
+  var minX, maxX, minY, maxY;
+  minX = Math.round(tileCoord.x * tileSize.width);
+  maxX = Math.round((tileCoord.x + 1) * tileSize.width);
+  minY = Math.round(tileCoord.y * tileSize.height);
+  maxY = Math.round((tileCoord.y + 1) * tileSize.height);
+  return new ol.PixelBounds(minX, minY, maxX, maxY);
+};
+
+
 /**
  * @param {number} z Z.
  * @return {number} Resolution.
@@ -163,13 +157,75 @@ ol.TileGrid.prototype.getResolutions = function() {
 
 
 /**
- * @param {ol.Coordinate} coordinate Coordinate.
  * @param {number} z Z.
- * @return {ol.TileCoord} Tile coordinate.
+ * @param {ol.TileBounds} tileBounds Tile bounds.
+ * @return {ol.Extent} Extent.
  */
-ol.TileGrid.prototype.getTileCoordForCoordAndZ = function(coordinate, z) {
+ol.TileGrid.prototype.getTileBoundsExtent = function(z, tileBounds) {
+  var origin = this.getOrigin(z);
   var resolution = this.getResolution(z);
-  return this.getTileCoordForCoordAndResolution(coordinate, resolution);
+  var tileSize = this.tileSize_;
+  var minX = origin.x + tileBounds.minX * tileSize.width * resolution;
+  var minY = origin.y + tileBounds.minY * tileSize.height * resolution;
+  var maxX = origin.x + (tileBounds.maxX + 1) * tileSize.width * resolution;
+  var maxY = origin.y + (tileBounds.maxY + 1) * tileSize.height * resolution;
+  return new ol.Extent(minX, minY, maxX, maxY);
+};
+
+
+/**
+ * @param {ol.Extent} extent Extent.
+ * @param {number} resolution Resolution.
+ * @return {ol.TileBounds} Tile bounds.
+ */
+ol.TileGrid.prototype.getTileBoundsForExtentAndResolution = function(
+    extent, resolution) {
+  var min = this.getTileCoordForCoordAndResolution(
+      new ol.Coordinate(extent.minX, extent.minY), resolution);
+  var max = this.getTileCoordForCoordAndResolution(
+      new ol.Coordinate(extent.maxX, extent.maxY), resolution);
+  return new ol.TileBounds(min.x, min.y, max.x, max.y);
+};
+
+
+/**
+ * @param {ol.Extent} extent Extent.
+ * @param {number} z Z.
+ * @return {ol.TileBounds} Tile bounds.
+ */
+ol.TileGrid.prototype.getTileBoundsForExtentAndZ = function(extent, z) {
+  var resolution = this.getResolution(z);
+  return this.getTileBoundsForExtentAndResolution(extent, resolution);
+};
+
+
+/**
+ * @param {ol.TileCoord} tileCoord Tile coordinate.
+ * @return {ol.Coordinate} Tile center.
+ */
+ol.TileGrid.prototype.getTileCoordCenter = function(tileCoord) {
+  var origin = this.getOrigin(tileCoord.z);
+  var resolution = this.getResolution(tileCoord.z);
+  var tileSize = this.tileSize_;
+  var x = origin.x + (tileCoord.x + 0.5) * tileSize.width * resolution;
+  var y = origin.y + (tileCoord.y + 0.5) * tileSize.height * resolution;
+  return new ol.Coordinate(x, y);
+};
+
+
+/**
+ * @param {ol.TileCoord} tileCoord Tile coordinate.
+ * @return {ol.Extent} Extent.
+ */
+ol.TileGrid.prototype.getTileCoordExtent = function(tileCoord) {
+  var origin = this.getOrigin(tileCoord.z);
+  var resolution = this.getResolution(tileCoord.z);
+  var tileSize = this.tileSize_;
+  var minX = origin.x + tileCoord.x * tileSize.width * resolution;
+  var minY = origin.y + tileCoord.y * tileSize.height * resolution;
+  var maxX = minX + tileSize.width * resolution;
+  var maxY = minY + tileSize.height * resolution;
+  return new ol.Extent(minX, minY, maxX, maxY);
 };
 
 
@@ -218,69 +274,13 @@ ol.TileGrid.prototype.getTileCoordForCoordAndResolution = function(
 
 
 /**
- * @param {ol.TileCoord} tileCoord Tile coordinate.
- * @return {ol.Coordinate} Tile center.
- */
-ol.TileGrid.prototype.getTileCoordCenter = function(tileCoord) {
-  var origin = this.getOrigin(tileCoord.z);
-  var resolution = this.getResolution(tileCoord.z);
-  var tileSize = this.tileSize_;
-  var x = origin.x + (tileCoord.x + 0.5) * tileSize.width * resolution;
-  var y = origin.y + (tileCoord.y + 0.5) * tileSize.height * resolution;
-  return new ol.Coordinate(x, y);
-};
-
-
-/**
+ * @param {ol.Coordinate} coordinate Coordinate.
  * @param {number} z Z.
- * @param {ol.TileBounds} tileBounds Tile bounds.
- * @return {ol.Extent} Extent.
+ * @return {ol.TileCoord} Tile coordinate.
  */
-ol.TileGrid.prototype.getTileBoundsExtent = function(z, tileBounds) {
-  var origin = this.getOrigin(z);
+ol.TileGrid.prototype.getTileCoordForCoordAndZ = function(coordinate, z) {
   var resolution = this.getResolution(z);
-  var tileSize = this.tileSize_;
-  var minX = origin.x + tileBounds.minX * tileSize.width * resolution;
-  var minY = origin.y + tileBounds.minY * tileSize.height * resolution;
-  var maxX = origin.x + (tileBounds.maxX + 1) * tileSize.width * resolution;
-  var maxY = origin.y + (tileBounds.maxY + 1) * tileSize.height * resolution;
-  return new ol.Extent(minX, minY, maxX, maxY);
-};
-
-
-/**
- * @param {ol.TileCoord} tileCoord Tile coordinate.
- * @return {ol.Extent} Extent.
- */
-ol.TileGrid.prototype.getTileCoordExtent = function(tileCoord) {
-  var origin = this.getOrigin(tileCoord.z);
-  var resolution = this.getResolution(tileCoord.z);
-  var tileSize = this.tileSize_;
-  var minX = origin.x + tileCoord.x * tileSize.width * resolution;
-  var minY = origin.y + tileCoord.y * tileSize.height * resolution;
-  var maxX = minX + tileSize.width * resolution;
-  var maxY = minY + tileSize.height * resolution;
-  return new ol.Extent(minX, minY, maxX, maxY);
-};
-
-
-/**
- * @param {ol.TileCoord} tileCoord Tile coordinate.
- * @param {number} resolution Resolution.
- * @return {ol.PixelBounds} Pixel bounds.
- */
-ol.TileGrid.prototype.getPixelBoundsForTileCoordAndResolution = function(
-    tileCoord, resolution) {
-  var scale = resolution / this.getResolution(tileCoord.z);
-  var tileSize = this.getTileSize();
-  tileSize = new ol.Size(tileSize.width / scale,
-                         tileSize.height / scale);
-  var minX, maxX, minY, maxY;
-  minX = Math.round(tileCoord.x * tileSize.width);
-  maxX = Math.round((tileCoord.x + 1) * tileSize.width);
-  minY = Math.round(tileCoord.y * tileSize.height);
-  maxY = Math.round((tileCoord.y + 1) * tileSize.height);
-  return new ol.PixelBounds(minX, minY, maxX, maxY);
+  return this.getTileCoordForCoordAndResolution(coordinate, resolution);
 };