import _plotly_utils.basevalidators class LightingValidator(_plotly_utils.basevalidators.CompoundValidator): def __init__(self, plotly_name="lighting", parent_name="isosurface", **kwargs): super(LightingValidator, self).__init__( plotly_name=plotly_name, parent_name=parent_name, data_class_str=kwargs.pop("data_class_str", "Lighting"), data_docs=kwargs.pop( "data_docs", """ ambient Ambient light increases overall color visibility but can wash out the image. diffuse Represents the extent that incident rays are reflected in a range of angles. facenormalsepsilon Epsilon for face normals calculation avoids math issues arising from degenerate geometry. fresnel Represents the reflectance as a dependency of the viewing angle; e.g. paper is reflective when viewing it from the edge of the paper (almost 90 degrees), causing shine. roughness Alters specular reflection; the rougher the surface, the wider and less contrasty the shine. specular Represents the level that incident rays are reflected in a single direction, causing shine. vertexnormalsepsilon Epsilon for vertex normals calculation avoids math issues arising from degenerate geometry. """, ), **kwargs )