if (_fitsImage != null) {
_fitsImage.clearTileCache();
_fitsImage.close();
_fitsImage = null;
}
setImage(PlanarImage.wrapRenderedImage(new EmptyRenderedImage(w, w)));
_imageLayer.setVisible(false);
} catch (Exception e) {
DialogUtil.error(e);
}
_noInitWCS = false;