private void seedTiles(StorageBroker storageBroker, TileRange tr, final WMSLayer tl) throws Exception {
final String layerName = tl.getName();
// define the meta tile size to 1,1 so we hit all the tiles
final TileRangeIterator trIter = new TileRangeIterator(tr, tl.getMetaTilingFactors());
long[] gridLoc = trIter.nextMetaGridLocation(new long[3]);
while (gridLoc != null) {
Map<String, String> fullParameters = tr.getParameters();
final ConveyorTile tile = new ConveyorTile(storageBroker, layerName, tr.getGridSetId(), gridLoc,