message: MINOR: Use the WebMercator TilingScheme.
  The correct tilign scheme for the web tile is webmercatorTilingScheme
  and not mercatorTilingScheme.
diff: @@ -10,10 +10,10 @@ import * as THREE from "three";
  import { SphericalGeometrySubdivisionModifier } from "@here/harp-geometry/lib/SphericalGeometrySubdivisionModifier";
  import {
  GeoCoordinates,
  - mercatorTilingScheme,
  ProjectionType,
  TileKey,
  - TilingScheme
  + TilingScheme,
  + webMercatorTilingScheme
  } from "@here/harp-geoutils";
  import { CopyrightInfo, DataSource, Tile } from "@here/harp-mapview";
  import { getOptionValue, LoggerManager } from "@here/harp-utils";
  @@ -312,7 +312,7 @@ export class WebTileDataSource extends DataSource {
  }
  getTilingScheme(): TilingScheme {
  - return mercatorTilingScheme;
  + return webMercatorTilingScheme;
  }
  setLanguages(languages?: string[]): void {
  @@ -326,7 +326,7 @@ export class WebTileDataSource extends DataSource {
  const tile = new Tile(this, tileKey);
  const column = tileKey.column;
  - const row = tileKey.rowCount() - tileKey.row - 1;
  + const row = tileKey.row;
  const level = tileKey.level;
  const { appId, appCode } = this.m_options;
  const quadKey = tileKey.toQuadKey();
  