text: import numpy as np
  
  
  def test_image_rendering(viewer_factory):
      """Test 3D image with different rendering."""
      view, viewer = viewer_factory()
  
      data = np.random.random((20, 20, 20))
      layer = viewer.add_image(data)
  
      assert layer.rendering == 'mip'
  
      # Change rendering property
      layer.rendering = 'translucent'
      assert layer.rendering == 'translucent'
  
      # Change rendering property
      layer.rendering = 'attenuated_mip'
      assert layer.rendering == 'attenuated_mip'
      layer.attenuation = 0.2
      assert layer.attenuation == 0.2
  
      # Change rendering property
      layer.rendering = 'iso'
      assert layer.rendering == 'iso'
      layer.iso_threshold = 0.3
      assert layer.iso_threshold == 0.3
  
      # Change rendering property
      layer.rendering = 'additive'
      assert layer.rendering == 'additive'
  