int angle = Integer.parseInt(
JOptionPane.showInputDialog(viewerFrame, "view angle"));
CardinalDirection from = CardinalDirection.valueOf(
JOptionPane.showInputDialog(viewerFrame, "from cardinal direction"));
AxisAlignedBoundingBoxXZ tileBounds =
data.getConversionResults().getMapData().getDataBoundary();
renderOptions.camera = OrthoTilesUtil.cameraForTile(
data.getConversionResults().getMapProjection(),
new TileNumber(zoom, tileX, tileY), angle, from);