=0.01, max=1.00, soft_min=0.02, soft_max=1.0, default=0.08) Scene.pov_radio_pretrace_end = FloatProperty( name="Pretrace End", description="Fraction of the screen width which sets the size of the blocks in the mosaic preview last pass", min=0.001, max=1.00, soft_min=0.01, soft_max=1.00, default=0.04, precision=3) #############################MATERIAL###################################### Mat.pov_irid_enable = BoolProperty( name="Enable Iridescence", description="Newton's thin film interference (like an oil slick on a puddle of water or the rainbow hues of a soap bubble.)", default=False) Mat.pov_mirror_use_IOR = BoolProperty( name="Correct Reflection", description="Use same IOR as raytrace transparency to calculate mirror reflections. More physically correct", default=False) Mat.pov_mirror_metallic = BoolProperty( name="Metallic Reflection", description="mirror reflections get colored as diffuse (for metallic materials)", default=False) Mat.pov_conserve_energy = BoolProperty( name="Conserve Energy", description="Light transmitted is more correctly reduced by mirror reflections, also the sum of diffuse and translucency gets reduced below one ", default=True) Mat.pov_irid_amount = FloatProperty( name="amount", description="Contribution of the iridescence effect to the overall surface color. As a rule of thumb keep to around 0.25 (25% contribution) or less, but experiment. If the surface is coming out too white, try lowering the diffuse and possibly the ambient values of the surface", min=0.0, max=1.0, soft_min=0.01, soft_max=1.0, default=0.25) Mat.pov_irid_thickness = FloatProperty( name="thickness", description="A very thin film will have a high frequency of color changes while a thick film will have large areas of color", min=