docs: private Visualization instantiateVisualization(VisualizationTask task) {
      try {
        Visualization v = task.getFactory().makeVisualization(context, task, this, width, height, item.proj);
        if(task.has(RenderFlag.NO_EXPORT)) {
          v.getLayer().setAttribute(NO_EXPORT_ATTRIBUTE, NO_EXPORT_ATTRIBUTE);
        }
        return v;
      }
      catch(Exception e) {
        if(LOG.isDebugging()) {
          LOG.warning("Visualizer " + task.getFactory().getClass().getName() + " failed.", e);
        }
        else {
          LOG.warning("Visualizer " + task.getFactory().getClass().getName() + " failed - enable debugging to see details: " + e.toString());
        }
      }
      return null;
    }