__init__.py

    )

    pave_sides: EnumProperty(
        name="Pavement sides",
        description="",
        items=(
            ('3', "3", ""),
            ('4', "4", ""),
            ('6', "6", "")
        ),
        default='3'
    )

    pave_pat_2: IntProperty(
        name="Pavement pattern 2",
        description="maximum: 2",
        min=1, max=2, default=2
    )

    pave_pat_3: IntProperty(
        name="Pavement pattern 3",
        description="maximum: 3",
        min=1, max=3, default=3
    )

    pave_pat_4: IntProperty(
        name="Pavement pattern 4",
        description="maximum: 4",
        min=1, max=4, default=4
    )

    pave_pat_5: IntProperty(
        name="Pavement pattern 5",
        description="maximum: 5",
        min=1, max=5, default=5
    )

    pave_pat_7: IntProperty(
        name="Pavement pattern 7",
        description="maximum: 7",
        min=1, max=7, default=7
    )

    pave_pat_12: IntProperty(
        name="Pavement pattern 12",
        description="maximum: 12",
        min=1, max=12, default=12
    )

    pave_pat_22: IntProperty(
        name="Pavement pattern 22",
        description="maximum: 22",
        min=1, max=22, default=22
    )

    pave_pat_35: IntProperty(
        name="Pavement pattern 35",
        description="maximum: 35",
        min=1, max=35, default=35,
    )

    pave_tiles: IntProperty(
        name="Pavement tiles",
        description="If sides = 6, maximum tiles 5!!!",
        min=1, max=6, default=1
    )

    pave_form: IntProperty(
        name="Pavement form",
        description="",
        min=0, max=4, default=0
    )

    #########FUNCTIONS#############################################################################
    #########FUNCTIONS#############################################################################

    func_list: EnumProperty(
        name="Functions",
        description="Select the function for create pattern",
        items=(
            ('NONE', "None", "No indentation"),
            ("f_algbr_cyl1","Algbr cyl1",""), ("f_algbr_cyl2","Algbr cyl2",""),
            ("f_algbr_cyl3","Algbr cyl3",""), ("f_algbr_cyl4","Algbr cyl4",""),
            ("f_bicorn","Bicorn",""), ("f_bifolia","Bifolia",""),
            ("f_blob","Blob",""), ("f_blob2","Blob2",""),
            ("f_boy_surface","Boy surface",""), ("f_comma","Comma",""),
            ("f_cross_ellipsoids","Cross ellipsoids",""),
            ("f_crossed_trough","Crossed trough",""), ("f_cubic_saddle","Cubic saddle",""),
            ("f_cushion","Cushion",""), ("f_devils_curve","Devils curve",""),
            ("f_devils_curve_2d","Devils curve 2d",""),
            ("f_dupin_cyclid","Dupin cyclid",""), ("f_ellipsoid","Ellipsoid",""),
            ("f_enneper","Enneper",""), ("f_flange_cover","Flange cover",""),
            ("f_folium_surface","Folium surface",""),
            ("f_folium_surface_2d","Folium surface 2d",""), ("f_glob","Glob",""),
            ("f_heart","Heart",""), ("f_helical_torus","Helical torus",""),
            ("f_helix1","Helix1",""), ("f_helix2","Helix2",""), ("f_hex_x","Hex x",""),
            ("f_hex_y","Hex y",""), ("f_hetero_mf","Hetero mf",""),
            ("f_hunt_surface","Hunt surface",""),
            ("f_hyperbolic_torus","Hyperbolic torus",""),
            ("f_isect_ellipsoids","Isect ellipsoids",""),
            ("f_kampyle_of_eudoxus","Kampyle of eudoxus",""),
            ("f_kampyle_of_eudoxus_2d","Kampyle of eudoxus 2d",""),
            ("f_klein_bottle","Klein bottle",""),
            ("f_kummer_surface_v1","Kummer surface v1",""),
            ("f_kummer_surface_v2","Kummer surface v2",""),
            ("f_lemniscate_of_gerono","Lemniscate of gerono",""),
            ("f_lemniscate_of_gerono_2d","Lemniscate of gerono 2d",""),
            ("f_mesh1","Mesh1",""), ("f_mitre","Mitre",""),
            ("f_nodal_cubic","Nodal cubic",""), ("f_noise3d","Noise3d",""),
            ("f_noise_generator","Noise generator",""), ("f_odd","Odd",""),
            ("f_ovals_of_cassini","Ovals of cassini",""), ("f_paraboloid","Paraboloid",""),
            ("f_parabolic_torus","Parabolic torus",""), ("f_ph","Ph",""),
            ("f_pillow","Pillow",""), ("f_piriform","Piriform",""),
            ("f_piriform_2d","Piriform 2d",""), ("f_poly4","Poly4",""),
            ("f_polytubes","Polytubes",""), ("f_quantum","Quantum",""),
            ("f_quartic_paraboloid","Quartic paraboloid",""),
            ("f_quartic_saddle","Quartic saddle",""),
            ("f_quartic_cylinder","Quartic cylinder",""), ("f_r","R",""),
            ("f_ridge","Ridge",""), ("f_ridged_mf","Ridged mf",""),
            ("f_rounded_box","Rounded box",""), ("f_sphere","Sphere",""),
            ("f_spikes","Spikes",""), ("f_spikes_2d","Spikes 2d",""),
            ("f_spiral","Spiral",""), ("f_steiners_roman","Steiners roman",""),
            ("f_strophoid","Strophoid",""), ("f_strophoid_2d","Strophoid 2d",""),
            ("f_superellipsoid","Superellipsoid",""), ("f_th","Th",""),
            ("f_torus","Torus",""), ("f_torus2","Torus2",""),
            ("f_torus_gumdrop","Torus gumdrop",""), ("f_umbrella","Umbrella",""),
            ("f_witch_of_agnesi","Witch of agnesi",""),
            ("f_witch_of_agnesi_2d","Witch of agnesi 2d","")
        ),

        default='NONE',
    )

    func_x: FloatProperty(
        name="FX",
        description="",
        min=0.0, max=25.0, default=1.0
    )

    func_plus_x: EnumProperty(
        name="Func plus x",
        description="",
        items=(('NONE', "None", ""), ('increase', "*", ""), ('plus', "+", "")),
        default='NONE',
    )

    func_y: FloatProperty(
        name="FY",
        description="",
        min=0.0, max=25.0, default=1.0
    )

    func_plus_y: EnumProperty(
        name="Func plus y",
        description="",
        items=(('NONE', "None", ""), ('increase', "*", ""), ('plus', "+", "")),
        default='NONE',
    )

    func_z: FloatProperty(
        name="FZ",
        description="",
        min=0.0, max=25.0, default=1.0
    )

    func_plus_z: EnumProperty(
        name="Func plus z",
        description="",
        items=(
            ('NONE', "None", ""),
            ('increase', "*", ""),
            ('plus', "+", "")
        ),
        default='NONE',
    )

    func_P0: FloatProperty(
        name="P0",
        description="",
        min=0.0, max=25.0, default=1.0
    )

    func_P1: FloatProperty(
        name="P1",
        description="",
        min=0.0, max=25.0, default=1.0
    )

    func_P2: FloatProperty(
        name="P2",
        description="",
        min=0.0, max=25.0, default=1.0
    )

    func_P3: FloatProperty(
        name="P3",
        description="",
        min=0.0, max=25.0, default=1.0
    )

    func_P4: FloatProperty(
        name="P4",
        description="",
        min=0.0, max=25.0, default=1.0
    )

    func_P5: FloatProperty(
        name="P5",
        description="",
        min=0.0, max=25.0, default=1.0
    )

    func_P6: FloatProperty(
        name="P6",
        description="",
        min=0.0, max=25.0, default=1.0
    )

    func_P7: FloatProperty(
        name="P7",
        description="",
        min=0.0, max=25.0, default=1.0
    )

    func_P8: FloatProperty(
        name="P8",
        description="",
        min=0.0, max=25.0, default=1.0
    )

    func_P9: FloatProperty(
        name="P9",
        description="",
        min=0.0, max=25.0, default=1.0
    )

    #########################################
    tex_rot_x: FloatProperty(
        name="Rotate X",
        description="",
        min=-180.0, max=180.0, default=0.0
    )

    tex_rot_y: FloatProperty(
        name="Rotate Y",
        description="",
        min=-180.0, max=180.0, default=0.0
    )

    tex_rot_z: FloatProperty(
        name="Rotate Z",
        description="",
        min=-180.0, max=180.0, default=0.0
    )

    tex_mov_x: FloatProperty(
        name="Move X",
        description="",
        min=-100000.0, max=100000.0, default=0.0
    )

    tex_mov_y: FloatProperty(
        name="Move Y",
        description="",
        min=-100000.0,
        max=100000.0,
        default=0.0,
    )

    tex_mov_z: FloatProperty(
        name="Move Z",
        description="",
        min=-100000.0,
        max=100000.0,
        default=0.0,
    )

    tex_scale_x: FloatProperty(
        name="Scale X",
        description="",
        min=0.0,
        max=10000.0,
        default=1.0,
    )

    tex_scale_y: FloatProperty(
        name="Scale Y",
        description="",
        min=0.0,
        max=10000.0,
        default=1.0,
    )

    tex_scale_z: FloatProperty(
        name="Scale Z",
        description="",
        min=0.0,
        max=10000.0,
        default=1.0,
    )

###############################################################################
# Object POV properties.
###############################################################################

class RenderPovSettingsObject(PropertyGroup):
    """Declare object and primitives level properties controllable in UI and translated to POV."""

    # Pov inside_vector used for CSG
    inside_vector: FloatVectorProperty(
        name="CSG Inside Vector",
        description="Direction to shoot CSG inside test rays at",
        precision=4,
        step=0.01,
        min=0,
        soft_max=1,
        default=(0.001, 0.001, 0.5),
        options={'ANIMATABLE'},
        subtype='XYZ'
    )

    # Importance sampling
    importance_value: FloatProperty(
        name="Radiosity Importance",
        description="Priority value relative to other objects for sampling radiosity rays. "
        "Increase to get more radiosity rays at comparatively small yet "
        "bright objects",
        min=0.01, max=1.00, default=0.50
    )

    # Collect photons
    collect_photons: BoolProperty(
        name="Receive Photon Caustics",
        description="Enable object to collect photons from other objects caustics. Turn "
        "off for objects that don't really need to receive caustics (e.g. objects"
        " that generate caustics often don't need to show any on themselves)",
        default=True,
    )

    # Photons spacing_multiplier
    spacing_multiplier: FloatProperty(
        name="Photons Spacing Multiplier",
        description="Multiplier value relative to global spacing of photons. "
        "Decrease by half to get 4x more photons at surface of "
        "this object (or 8x media photons than specified in the globals",
        min=0.01, max=1.00, default=1.00)

    ##################################CustomPOV Code############################
    # Only DUMMIES below for now:
    replacement_text: StringProperty(
        name="Declared name:",
        description="Type the declared name in custom POV code or an external .inc "
        "it points at. Any POV shape expected e.g: isosurface {}",
        default="",
    )

    #############POV specific object properties.############################
    object_as: StringProperty(maxlen=1024)

    imported_loc: FloatVectorProperty(
        name="Imported Pov location",
        precision=6,
        default=(0.0, 0.0, 0.0),
    )

    imported_loc_cap: FloatVectorProperty(
        name="Imported Pov location",
        precision=6,
        default=(0.0, 0.0, 2.0),
    )

    unlock_parameters: BoolProperty(name="Lock",default = False)

    # not in UI yet but used for sor (lathe) / prism... pov primitives
    curveshape: EnumProperty(
        name="Povray Shape Type",
        items=(("birail", "Birail", ""),
               ("cairo", "Cairo", ""),
               ("lathe", "Lathe", ""),
               ("loft", "Loft", ""),
               ("prism", "Prism", ""),
               ("sphere_sweep", "Sphere Sweep", "")),
        default="sphere_sweep",
    )

    mesh_write_as: EnumProperty(
        name="Mesh Write As",
        items=(("blobgrid", "Blob Grid", ""),
               ("grid", "Grid", ""),
               ("mesh", "Mesh", "")),
        default="mesh",
    )

    object_ior: FloatProperty(
        name="IOR", description="IOR",
        min=1.0, max=10.0,default=1.0
    )

    # shape_as_light = StringProperty(name="Light",maxlen=1024)
    # fake_caustics_power = FloatProperty(
            # name="Power", description="Fake caustics power",
            # min=0.0, max=10.0,default=0.0)
    # target = BoolProperty(name="Target",description="",default=False)
    # target_value = FloatProperty(
            # name="Value", description="",
            # min=0.0, max=1.0,default=1.0)
    # refraction = BoolProperty(name="Refraction",description="",default=False)
    # dispersion = BoolProperty(name="Dispersion",description="",default=False)
    # dispersion_value = FloatProperty(
            # name="Dispersion", description="Good values are 1.01 to 1.1. ",
            # min=1.0, max=1.2,default=1.01)
    # dispersion_samples = IntProperty(name="Samples",min=2, max=100,default=7)
    # reflection = BoolProperty(name="Reflection",description="",default=False)
    # pass_through = BoolProperty(name="Pass through",description="",default=False)
    no_shadow: BoolProperty(name="No Shadow",default=False)

    no_image: BoolProperty(name="No Image",default=False)

    no_reflection: BoolProperty(name="No Reflection",default=False)

    no_radiosity: BoolProperty(name="No Radiosity",default=False)

    inverse: BoolProperty(name="Inverse",default=False)

    sturm: BoolProperty(name="Sturm",default=False)

    double_illuminate: BoolProperty(name="Double Illuminate",default=False)

    hierarchy: BoolProperty(name="Hierarchy",default=False)

    hollow: BoolProperty(name="Hollow",default=False)

    boundorclip: EnumProperty(
        name="Boundorclip",
        items=(("none", "None", ""),
               ("bounded_by", "Bounded_by", ""),
               ("clipped_by", "Clipped_by", "")),
        default="none",
    )

    boundorclipob: StringProperty(maxlen=1024)

    addboundorclip: BoolProperty(description="",default=False)

    blob_threshold: FloatProperty(name="Threshold",min=0.00, max=10.0, default=0.6)

    blob_strength: FloatProperty(name="Strength",min=-10.00, max=10.0, default=1.00)

    res_u: IntProperty(name="U",min=100, max=1000, default=500)

    res_v: IntProperty(name="V",min=100, max=1000, default=500)

    contained_by: EnumProperty(
        name="Contained by",
        items=(("box", "Box", ""),
               ("sphere", "Sphere", "")),
        default="box",
    )

    container_scale: FloatProperty(name="Container Scale",min=0.0, max=10.0, default=1.00)

    threshold: FloatProperty(name="Threshold",min=0.0, max=10.0, default=0.00)

    accuracy: FloatProperty(name="Accuracy",min=0.0001, max=0.1, default=0.001)

    max_gradient: FloatProperty(name="Max Gradient",min=0.0, max=100.0, default=5.0)

    all_intersections: BoolProperty(name="All Intersections",default=False)

    max_trace: IntProperty(name="Max Trace",min=1, max=100,default=1)


    def prop_update_cylinder(self, context):
        """Update POV cylinder primitive parameters not only at creation but anytime they are changed in UI."""
        if bpy.ops.pov.cylinder_update.poll():
            bpy.ops.pov.cylinder_update()

    cylinder_radius: FloatProperty(
        name="Cylinder R",min=0.00, max=10.0, default=0.04, update=prop_update_cylinder)

    cylinder_location_cap: FloatVectorProperty(
        name="Cylinder Cap Location", subtype='TRANSLATION',
        description="The position of the 'other' end of the cylinder (relative to object location)",
        default=(0.0, 0.0, 2.0), update=prop_update_cylinder
    )

    imported_cyl_loc: FloatVectorProperty(
        name="Imported Pov location",
        precision=6,
        default=(0.0, 0.0, 0.0)
    )

    imported_cyl_loc_cap: FloatVectorProperty(
        name="Imported Pov location",
        precision=6,
        default=(0.0, 0.0, 2.0)
    )

    def prop_update_sphere(self, context):

        """Update POV sphere primitive parameters not only at creation but anytime they are changed in UI."""

        bpy.ops.pov.sphere_update()

    sphere_radius: FloatProperty(
        name="Sphere radius",min=0.00, max=10.0, default=0.5, update=prop_update_sphere)

    def prop_update_cone(self, context):

        """Update POV cone primitive parameters not only at creation but anytime they are changed in UI."""

        bpy.ops.pov.cone_update()

    cone_base_radius: FloatProperty(
        name = "Base radius",
        description = "The first radius of the cone",
        default = 1.0, min = 0.01, max = 100.0, update=prop_update_cone
    )

    cone_cap_radius: FloatProperty(
        name = "Cap radius",
        description = "The second radius of the cone",
        default = 0.3, min = 0.0, max = 100.0, update=prop_update_cone
    )

    cone_segments: IntProperty(
        name = "Segments",
        description = "Radial segmentation of proxy mesh",
        default = 16, min = 3, max = 265, update=prop_update_cone
    )

    cone_height: FloatProperty(
        name = "Height",
        description = "Height of the cone",
        default = 2.0, min = 0.01, max = 100.0, update=prop_update_cone
    )

    cone_base_z: FloatProperty()

    cone_cap_z: FloatProperty()

###########Parametric
    def prop_update_parametric(self, context):

        """Update POV parametric surface primitive parameters not only at creation but anytime they are changed in UI."""

        bpy.ops.pov.parametric_update()

    u_min: FloatProperty(
        name = "U Min",
        description = "",
        default = 0.0, update=prop_update_parametric
    )

    v_min: FloatProperty(
        name = "V Min",
        description = "",
        default = 0.0,
        update=prop_update_parametric
    )

    u_max: FloatProperty(
        name = "U Max",
        description = "",
        default = 6.28,
        update=prop_update_parametric
    )

    v_max: FloatProperty(
        name = "V Max",
        description = "",
        default = 12.57, update=prop_update_parametric
    )

    x_eq: StringProperty(
        maxlen=1024,
        default = "cos(v)*(1+cos(u))*sin(v/8)",
        update=prop_update_parametric
    )

    y_eq: StringProperty(
        maxlen=1024,
        default = "sin(u)*sin(v/8)+cos(v/8)*1.5",
        update=prop_update_parametric
    )

    z_eq: StringProperty(
        maxlen=1024,
        default = "sin(v)*(1+cos(u))*sin(v/8)",
        update=prop_update_parametric
    )

    ###########Torus

    def prop_update_torus(self, context):

        """Update POV torus primitive parameters not only at creation but anytime they are changed in UI."""

        bpy.ops.pov.torus_update()

    torus_major_segments: IntProperty(
        name = "Segments",
        description = "Radial segmentation of proxy mesh",
        default = 48, min = 3, max = 720, update=prop_update_torus
    )

    torus_minor_segments: IntProperty(
        name = "Segments",
        description = "Cross-section segmentation of proxy mesh",
        default = 12, min = 3, max = 720, update=prop_update_torus
    )

    torus_major_radius: FloatProperty(
        name="Major radius",
        description="Major radius",
        min=0.00, max=100.00, default=1.0, update=prop_update_torus
    )

    torus_minor_radius: FloatProperty(
        name="Minor radius",
        description="Minor radius",
        min=0.00, max=100.00, default=0.25, update=prop_update_torus
    )


    ###########Rainbow
    arc_angle: FloatProperty(
        name = "Arc angle",
        description = "The angle of the raynbow arc in degrees",
        default = 360, min = 0.01, max = 360.0
    )

    falloff_angle: FloatProperty(
        name = "Falloff angle",
        description = "The angle after which rainbow dissolves into background",
        default = 360, min = 0.0, max = 360
    )

    ###########HeightFields

    quality: IntProperty(
        name = "Quality",
        description = "",
        default = 100, min = 1, max = 100
    )

    hf_filename: StringProperty(maxlen = 1024)

    hf_gamma: FloatProperty(
        name="Gamma",
        description="Gamma",
        min=0.0001, max=20.0, default=1.0
    )

    hf_premultiplied: BoolProperty(
        name="Premultiplied",
        description="Premultiplied",
        default=True,
    )

    hf_smooth: BoolProperty(
        name="Smooth",
        description="Smooth",
        default=False,
    )

    hf_water: FloatProperty(
        name="Water Level",
        description="Wather Level",
        min=0.00, max=1.00, default=0.0,
    )

    hf_hierarchy: BoolProperty(
        name="Hierarchy",
        description="Height field hierarchy",
        default=True,
    )

    ##############Superellipsoid
    def prop_update_superellipsoid(self, context):

        """Update POV superellipsoid primitive parameters not only at creation but anytime they are changed in UI."""

        bpy.ops.pov.superellipsoid_update()

    se_param1: FloatProperty(
        name="Parameter 1",
        description="",
        min=0.00, max=10.0, default=0.04
    )

    se_param2: FloatProperty(
        name="Parameter 2",
        description="",
        min=0.00, max=10.0, default=0.04
    )

    se_u: IntProperty(
        name = "U-segments",
        description = "radial segmentation",
        default = 20, min = 4, max = 265,
        update=prop_update_superellipsoid
    )

    se_v: IntProperty(
        name = "V-segments",
        description = "lateral segmentation",
        default = 20, min = 4, max = 265,
        update=prop_update_superellipsoid
    )

    se_n1: FloatProperty(
        name = "Ring manipulator",
        description = "Manipulates the shape of the Ring",
        default = 1.0, min = 0.01, max = 100.0,
        update=prop_update_superellipsoid
    )

    se_n2: FloatProperty(name = "Cross manipulator",
        description = "Manipulates the shape of the cross-section",
        default = 1.0, min = 0.01, max = 100.0,
        update=prop_update_superellipsoid
    )

    se_edit: EnumProperty(items=[("NOTHING", "Nothing", ""),
                                ("NGONS", "N-Gons", ""),
                                ("TRIANGLES", "Triangles", "")],
        name="Fill up and down",
        description="",
        default='TRIANGLES',
        update=prop_update_superellipsoid
    )

    #############Used for loft and Superellipsoid, etc.
    curveshape: EnumProperty(
        name="Povray Shape Type",
        items=(
            ("birail", "Birail", ""),
            ("cairo", "Cairo", ""),
            ("lathe", "Lathe", ""),
            ("loft", "Loft", ""),
            ("prism", "Prism", ""),
            ("sphere_sweep", "Sphere Sweep", ""),
            ("sor", "Surface of Revolution", "")
        ),
        default="sphere_sweep",
    )

#############Supertorus
    def prop_update_supertorus(self, context):

        """Update POV supertorus primitive parameters not only at creation but anytime they are changed in UI."""

        bpy.ops.pov.supertorus_update()

    st_major_radius: FloatProperty(
        name="Major radius",
        description="Major radius",
        min=0.00,
        max=100.00,
        default=1.0,
        update=prop_update_supertorus
    )

    st_minor_radius: FloatProperty(
        name="Minor radius",
        description="Minor radius",
        min=0.00, max=100.00, default=0.25,
        update=prop_update_supertorus
    )

    st_ring: FloatProperty(
        name="Ring",
        description="Ring manipulator",
        min=0.0001, max=100.00, default=1.00,
        update=prop_update_supertorus
    )

    st_cross: FloatProperty(
        name="Cross",
        description="Cross manipulator",
        min=0.0001, max=100.00, default=1.00,
        update=prop_update_supertorus
    )

    st_accuracy: FloatProperty(
        name="Accuracy",
        description="Supertorus accuracy",
        min=0.00001, max=1.00, default=0.001
    )

    st_max_gradient: FloatProperty(
        name="Gradient",
        description="Max gradient",
        min=0.0001, max=100.00, default=10.00,
        update=prop_update_supertorus
    )

    st_R: FloatProperty(
        name = "big radius",
        description = "The radius inside the tube",
        default = 1.0, min = 0.01, max = 100.0,
        update=prop_update_supertorus
    )

    st_r: FloatProperty(
        name = "small radius",
        description = "The radius of the tube",
        default = 0.3, min = 0.01, max = 100.0,
        update=prop_update_supertorus
    )

    st_u: IntProperty(
        name = "U-segments",
        description = "radial segmentation",
        default = 16, min = 3, max = 265,
        update=prop_update_supertorus
    )

    st_v: IntProperty(
        name = "V-segments",
        description = "lateral segmentation",
        default = 8, min = 3, max = 265,
        update=prop_update_supertorus
    )

    st_n1: FloatProperty(
        name = "Ring manipulator",
        description = "Manipulates the shape of the Ring",
        default = 1.0, min = 0.01, max = 100.0,
        update=prop_update_supertorus
    )

    st_n2: FloatProperty(
        name = "Cross manipulator",
        description = "Manipulates the shape of the cross-section",
        default = 1.0, min = 0.01, max = 100.0,
        update=prop_update_supertorus
    )

    st_ie: BoolProperty(
        name = "Use Int.+Ext. radii",
        description = "Use internal and external radii",
        default = False,
        update=prop_update_supertorus
    )

    st_edit: BoolProperty(
        name="",
        description="",
        default=False,
        options={'HIDDEN'},
        update=prop_update_supertorus
    )

    ########################Loft
    loft_n: IntProperty(
        name = "Segments",
        description = "Vertical segments",
        default = 16, min = 3, max = 720
    )

    loft_rings_bottom: IntProperty(
        name = "Bottom",
        description = "Bottom rings",
        default = 5, min = 2, max = 100
    )

    loft_rings_side: IntProperty(
        name = "Side",
        description = "Side rings",
        default = 10, min = 2, max = 100
    )

    loft_thick: FloatProperty(
        name = "Thickness",
        description = "Manipulates the shape of the Ring",
        default = 0.3, min = 0.01, max = 1.0
    )

    loft_r: FloatProperty(
        name = "Radius",
        description = "Radius",
        default = 1, min = 0.01, max = 10
    )

    loft_height: FloatProperty(
        name = "Height",
        description = "Manipulates the shape of the Ring",
        default = 2, min = 0.01, max = 10.0
    )

    ###################Prism
    prism_n: IntProperty(
        name = "Sides",
        description = "Number of sides",
        default = 5, min = 3, max = 720
    )

    prism_r: FloatProperty(
        name = "Radius",
        description = "Radius",
        default = 1.0
    )

    ##################Isosurface
    iso_function_text: StringProperty(
        name="Function Text",
        maxlen=1024
    ) #,update=iso_props_update_callback)

    ##################PolygonToCircle
    polytocircle_resolution: IntProperty(
        name = "Resolution",
        description = "",
        default = 3, min = 0, max = 256
    )

    polytocircle_ngon: IntProperty(
        name = "NGon",
        description = "",
        min = 3, max = 64,default = 5
    )

    polytocircle_ngonR: FloatProperty(
        name = "NGon Radius",
        description = "",
        default = 0.3
    )

    polytocircle_circleR: FloatProperty(
        name = "Circle Radius",
        description = "",
        default = 1.0
    )


###############################################################################
# Modifiers POV properties.
###############################################################################
# class RenderPovSettingsModifier(PropertyGroup):
    boolean_mod: EnumProperty(
        name="Operation",
        description="Choose the type of calculation for Boolean modifier",
        items=(
            ("BMESH", "Use the BMesh Boolean Solver", ""),
            ("CARVE", "Use the Carve Boolean Solver", ""),
            ("POV", "Use POV Constructive Solid Geometry", "")
        ),
        default="BMESH",
    )

    #################Avogadro
    # filename_ext = ".png"

    # filter_glob = StringProperty(
            # default="*.exr;*.gif;*.hdr;*.iff;*.jpeg;*.jpg;*.pgm;*.png;*.pot;*.ppm;*.sys;*.tga;*.tiff;*.EXR;*.GIF;*.HDR;*.IFF;*.JPEG;*.JPG;*.PGM;*.PNG;*.POT;*.PPM;*.SYS;*.TGA;*.TIFF",
            # options={'HIDDEN'},
            # )

###############################################################################
# Camera POV properties.
###############################################################################
class RenderPovSettingsCamera(PropertyGroup):

    """Declare camera properties controllable in UI and translated to POV."""

    # DOF Toggle
    dof_enable: BoolProperty(
        name="Depth Of Field",
        description="Enable POV Depth Of Field ",
        default=False,
    )

    # Aperture (Intensity of the Blur)
    dof_aperture: FloatProperty(
        name="Aperture",
        description="Similar to a real camera's aperture effect over focal blur (though not "
        "in physical units and independent of focal length). "
        "Increase to get more blur",
        min=0.01, max=1.00, default=0.50
    )

    # Aperture adaptive sampling
    dof_samples_min: IntProperty(
        name="Samples Min",
        description="Minimum number of rays to use for each pixel",
        min=1, max=128, default=3
    )

    dof_samples_max: IntProperty(
        name="Samples Max",
        description="Maximum number of rays to use for each pixel",
        min=1, max=128, default=9
    )

    dof_variance: IntProperty(
        name="Variance",
        description="Minimum threshold (fractional value) for adaptive DOF sampling (up "
        "increases quality and render time). The value for the variance should "