false no off on pi true yes clock_delta clock_on final_clock final_frame frame_number initial_clock initial_frame image_height image_width input_file_name version t u v x y z blue filter gray green red rgb rgbf rgbft rgbt srgb sRGB SRGB srgbf srgbft srgbt transmit abs acos acosh asc asin asinh atan atan2 atand atanh bitwise_and bitwise_or bitwise_xor ceil cos cosh defined degrees dimension_size dimensions div exp file_exists floor inside int ln log max min mod pow radians rand seed select sin sinh sqr sqrt strcmp strlen tan tanh val vdot vlength max_extent min_extent trace vaxis_rotate vcross vnormalize vrotate vturbulence chr concat datetime str strlwr strupr substr vstr agate aoi average boxed bozo brick bumps cells checker crackle cubic cylindrical density_file dents facets gradient granite hexagon image_pattern julia leopard magnet mandel marble onion pavement pigment_pattern planar quilted radial ripples slope spherical spiral1 spiral2 spotted square tile2 tiling tiles triangular waves wood wrinkles background bicubic_patch blob box camera cone cubic cylinder difference disc fog height_field intersection isosurface julia_fractal lathe light_group light_source merge mesh mesh2 object ovus parametric plane poly polygon polynomial prism quadric quartic rainbow sky_sphere smooth_triangle sphere sphere_sweep spline superellipsoid sor text torus triangle union df3 exr gif hdr iff jpeg pgm png ppm sys tga tiff b_spline bezier_spline conic_sweep cubic_spline linear_spline linear_sweep natural_spline quadratic_spline ascii utf8 uint8 uint16be uint16le sint8 sint16be sint16le sint32be sint32le fisheye mesh_camera omnimax orthographic panoramic perspective ultra_wide_angle adaptive agate_turb bounded_by brick_size bump_map bump_size circular clipped_by cubic color color_map colour colour_map control0 control1 cubic_wave density density_map double_illuminate fade_color fade_colour fade_distance fade_power frequency global_lights hollow image_map interior interior_texture interpolate inverse jitter lambda map_type material material_map matrix media media_attenuation media_interaction mm_per_unit mortar no_bump_scale no_image no_radiosity no_reflection no_shadow noise_generator normal normal_map octaves omega once orient parallel phase photons pigment pigment_map poly_wave projected_through quick_color quick_colour ramp_wave rotate scale scallop_wave shadowless sine_wave slope_map subsurface texture texture_map transform translate triangle_wave turbulence translucency use_color use_colour use_index uv_mapping warp aa_level aa_threshold absorption accuracy adc_bailout albedo all all_intersections alpha altitude always_sample ambient ambient_light angle aperture arc_angle area_light area_illumination array assumed_gamma autostop black_hole blur_samples bokeh brightness brilliance caustics charset collect component composite confidence conserve_energy contained_by coords count crand cube cutaway_textures diffuse direction dispersion dispersion_samples dist_exp distance eccentricity emission error_bound evaluate expand_thresholds exponent exterior extinction face_indices falloff falloff_angle file_gamma finish flatness flip focal_point fog_alt fog_offset fog_type form fresnel function gamma gather global_settings gray_threshold hf_gray_16 hierarchy hypercomplex importance inside_vector internal intervals ior irid irid_wavelength load_file location look_at looks_like low_error_factor major_radius max_extent max_gradient max_intersections max_iteration max_sample max_trace max_trace_level maximum_reuse metallic method metric minimum_reuse nearest_count normal_indices normal_vectors now number_of_waves offset open orientation pass_through pattern phong phong_size point_at pot precision precompute pretrace_end pretrace_start prod pwr quaternion radiosity radius ratio reciprocal recursion_limit reflection reflection_exponent refraction repeat right roughness samples save_file scattering size sky slice smooth solid spacing specular split_union spotlight strength sturm sum target texture_list thickness threshold tightness tolerance toroidal ttf turb_depth type u_steps up use_alpha uv_indices uv_vectors v_steps variance vertex_vectors water_level width #append #break #case #debug #declare #default #deprecated #else #elseif #end #error #fclose #fopen #for #if #ifdef #ifndef #include #local #macro #range #read #render #statistics #switch #undef #version #warning #while #write