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blender-addons/render_povray/render_properties.py
Campbell Barton e8da6131fd License headers: use SPDX-FileCopyrightText for all addons 
Move copyright text to SPDX-FileCopyrightText or set to the
Blender Foundation so "make check_licenses" now runs without warnings.
2023-06-15 16:54:05 +10:00

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# SPDX-FileCopyrightText: 2021-2022 Blender Foundation
#
# SPDX-License-Identifier: GPL-2.0-or-later
"""Declare rendering properties controllable in UI"""
import bpy
from bpy.utils import register_class, unregister_class
from bpy.types import PropertyGroup, Scene
from bpy.props import (
BoolProperty,
IntProperty,
FloatProperty,
FloatVectorProperty,
StringProperty,
EnumProperty,
PointerProperty,
)
# ---------------------------------------------------------------- #
# Scene POV properties.
# ---------------------------------------------------------------- #
class RenderPovSettingsScene(PropertyGroup):
"""Declare scene level properties controllable in UI and translated to POV"""
# Linux SDL-window enable
sdl_window_enable: BoolProperty(
name="Enable SDL window", description="Enable the SDL window in Linux OS", default=True
)
# File Options
text_block: StringProperty(
name="Text Scene Name",
description="Name of POV scene to use. "
"Set when clicking Run to render current text only",
maxlen=1024,
)
tempfiles_enable: BoolProperty(
name="Enable Tempfiles",
description="Enable the OS-Tempfiles. Otherwise set the path where to save the files",
default=True,
)
pov_editor: BoolProperty(
name="POV editor",
description="Don't Close POV editor after rendering (Overridden by /EXIT command)",
default=False,
)
deletefiles_enable: BoolProperty(
name="Delete files",
description="Delete files after rendering. Doesn't work with the image",
default=True,
)
scene_name: StringProperty(
name="Scene Name",
description="Name of POV scene to create. Empty name will use "
"the name of the blend file",
maxlen=1024,
)
scene_path: StringProperty(
name="Export scene path",
# Bug in POV-Ray RC3
# description="Path to directory where the exported scene "
# "(POV and INI) is created",
description="Path to directory where the files are created",
maxlen=1024,
subtype="DIR_PATH",
)
renderimage_path: StringProperty(
name="Rendered image path",
description="Full path to directory where the rendered image is saved",
maxlen=1024,
subtype="DIR_PATH",
)
list_lf_enable: BoolProperty(
name="LF in lists",
description="Enable line breaks in lists (vectors and indices). "
"Disabled: lists are exported in one line",
default=False,
)
# Not a real pov option, just to know if we should write
radio_enable: BoolProperty(
name="Enable Radiosity", description="Enable POV radiosity calculation", default=True
)
radio_display_advanced: BoolProperty(
name="Advanced Options", description="Show advanced options", default=False
)
media_enable: BoolProperty(
name="Enable Media", description="Enable POV atmospheric media", default=False
)
media_samples: IntProperty(
name="Samples",
description="Number of samples taken from camera to first object "
"encountered along ray path for media calculation",
min=1,
max=100,
default=35,
)
media_scattering_type: EnumProperty(
name="Scattering Type",
description="Scattering model",
items=(
(
"1",
"1 Isotropic",
"The simplest form of scattering because it is independent of direction.",
),
(
"2",
"2 Mie haze ",
"For relatively small particles such as "
"minuscule water droplets of fog, cloud "
"particles, and particles responsible "
"for the polluted sky. In this model the"
" scattering is extremely directional in"
" the forward direction i.e. the amount "
"of scattered light is largest when the "
"incident light is anti-parallel to the "
"viewing direction (the light goes "
"directly to the viewer). It is smallest"
" when the incident light is parallel to"
" the viewing direction. ",
),
("3", "3 Mie murky", "Like haze but much more directional"),
(
"4",
"4 Rayleigh",
"For extremely small particles such as "
"molecules of the air. The amount of "
"scattered light depends on the incident"
" light angle. It is largest when the "
"incident light is parallel or "
"anti-parallel to the viewing direction "
"and smallest when the incident light is "
"perpendicular to viewing direction.",
),
(
"5",
"5 Henyey-Greenstein",
"The default eccentricity value "
"of zero defines isotropic "
"scattering while positive "
"values lead to scattering in "
"the direction of the light and "
"negative values lead to "
"scattering in the opposite "
"direction of the light. Larger "
"values of e (or smaller values "
"in the negative case) increase "
"the directional property of the"
" scattering.",
),
),
default="1",
)
media_diffusion_scale: FloatProperty(
name="Scale",
description="Scale factor of Media Diffusion Color",
precision=6,
step=0.00000001,
min=0.000000001,
max=1.0,
default=1.0,
)
media_diffusion_color: FloatVectorProperty(
name="Media Diffusion Color",
description="The atmospheric media color",
precision=4,
step=0.01,
min=0,
soft_max=1,
default=(0.001, 0.001, 0.001),
options={"ANIMATABLE"},
subtype="COLOR",
)
media_absorption_scale: FloatProperty(
name="Scale",
description="Scale factor of Media Absorption Color. "
"use 1/depth of media volume in meters",
precision=6,
step=0.000001,
min=0.000000001,
max=1.0,
default=0.00002,
)
media_absorption_color: FloatVectorProperty(
name="Media Absorption Color",
description="The atmospheric media absorption color",
precision=4,
step=0.01,
min=0,
soft_max=1,
default=(0.0, 0.0, 0.0),
options={"ANIMATABLE"},
subtype="COLOR",
)
media_eccentricity: FloatProperty(
name="Media Eccenticity Factor",
description="Positive values lead"
" to scattering in the direction of the light and negative "
"values lead to scattering in the opposite direction of the "
"light. Larger values of e (or smaller values in the negative"
" case) increase the directional property of the scattering",
precision=2,
step=0.01,
min=-1.0,
max=1.0,
default=0.0,
options={"ANIMATABLE"},
)
baking_enable: BoolProperty(
name="Enable Baking", description="Enable POV texture baking", default=False
)
indentation_character: EnumProperty(
name="Indentation",
description="Select the indentation type",
items=(
("NONE", "None", "No indentation"),
("TAB", "Tabs", "Indentation with tabs"),
("SPACE", "Spaces", "Indentation with spaces"),
),
default="SPACE",
)
indentation_spaces: IntProperty(
name="Quantity of spaces",
description="The number of spaces for indentation",
min=1,
max=10,
default=4,
)
comments_enable: BoolProperty(
name="Enable Comments", description="Add comments to pov file", default=True
)
# Real pov options
command_line_switches: StringProperty(
name="Command Line Switches",
description="Command line switches consist of a + (plus) or - "
"(minus) sign, followed by one or more alphabetic "
"characters and possibly a numeric value",
maxlen=500,
)
antialias_enable: BoolProperty(
name="Anti-Alias", description="Enable Anti-Aliasing", default=True
)
antialias_method: EnumProperty(
name="Method",
description="AA-sampling method. Type 1 is an adaptive, "
"non-recursive, super-sampling (as in the plain old render "
"bigger and scale down trick. Type 2 is a slightly "
"more efficient adaptive and recursive super-sampling. "
"Type 3 is a stochastic halton based super-sampling method so "
"rather artifact free and sampling rays so depth of field can "
"use them at no additional cost, as do area lights and "
"subsurface scattering materials, making it the best "
"quality / time trade-off in complex scenes",
items=(
("0", "non-recursive AA", "Type 1 Sampling in POV"),
("1", "recursive AA", "Type 2 Sampling in POV"),
("2", "stochastic AA", "Type 3 Sampling in POV"),
),
default="1",
)
antialias_confidence: FloatProperty(
name="Antialias Confidence",
description="how surely the computed color "
"of a given pixel is indeed"
"within the threshold error margin",
min=0.0001,
max=1.0000,
default=0.9900,
precision=4,
)
antialias_depth: IntProperty(
name="Antialias Depth", description="Depth of pixel for sampling", min=1, max=9, default=2
)
antialias_threshold: FloatProperty(
name="Antialias Threshold",
description="Tolerance for sub-pixels",
min=0.0,
max=1.0,
soft_min=0.05,
soft_max=0.5,
default=0.03,
)
jitter_enable: BoolProperty(
name="Jitter",
description="Enable Jittering. Adds noise into the sampling "
"process (it should be avoided to use jitter in "
"animation)",
default=False,
)
jitter_amount: FloatProperty(
name="Jitter Amount",
description="Amount of jittering",
min=0.0,
max=1.0,
soft_min=0.01,
soft_max=1.0,
default=1.0,
)
antialias_gamma: FloatProperty(
name="Antialias Gamma",
description="POV-Ray compares gamma-adjusted values for super "
"sampling. Antialias Gamma sets the Gamma before "
"comparison",
min=0.0,
max=5.0,
soft_min=0.01,
soft_max=2.5,
default=2.5,
)
alpha_filter: FloatProperty(
name="Alpha",
description="User defined color associated background alpha",
min=0.0,
max=1.0,
soft_min=0.01,
soft_max=1.0,
default=0.75,
)
alpha_mode: EnumProperty(
name="Alpha",
description="Representation of alpha information in the RGBA pixels",
items=(
("SKY", "Sky", "Transparent pixels are filled with sky color"),
("STRAIGHT", "Straight", "Transparent pixels are not premultiplied"),
(
"TRANSPARENT",
"Transparent",
"World background has user defined premultiplied alpha",
),
),
default="SKY",
)
use_shadows: BoolProperty(
name="Shadows", description="Calculate shadows while rendering", default=True
)
max_trace_level: IntProperty(
name="Max Trace Level",
description="Number of reflections/refractions allowed on ray " "path",
min=1,
max=256,
default=5,
)
adc_bailout_enable: BoolProperty(name="Enable", description="", default=False)
adc_bailout: FloatProperty(
name="ADC Bailout",
description="Adaptive Depth Control (ADC) to stop computing additional"
"reflected or refracted rays when their contribution is insignificant."
"The default value is 1/255, or approximately 0.0039, since a change "
"smaller than that could not be visible in a 24 bit image. Generally "
"this value is fine and should be left alone."
"Setting adc_bailout to 0 will disable ADC, relying completely on "
"max_trace_level to set an upper limit on the number of rays spawned. ",
min=0.0,
max=1000.0,
default=0.00392156862745,
precision=3,
)
ambient_light_enable: BoolProperty(name="Enable", description="", default=False)
ambient_light: FloatVectorProperty(
name="Ambient Light",
description="Ambient light is used to simulate the effect of inter-diffuse reflection",
precision=4,
step=0.01,
min=0,
soft_max=1,
default=(1, 1, 1),
options={"ANIMATABLE"},
subtype="COLOR",
)
global_settings_advanced: BoolProperty(name="Advanced", description="", default=False)
irid_wavelength_enable: BoolProperty(name="Enable", description="", default=False)
irid_wavelength: FloatVectorProperty(
name="Irid Wavelength",
description=(
"Iridescence calculations depend upon the dominant "
"wavelengths of the primary colors of red, green and blue light"
),
precision=4,
step=0.01,
min=0,
soft_max=1,
default=(0.25, 0.18, 0.14),
options={"ANIMATABLE"},
subtype="COLOR",
)
number_of_waves_enable: BoolProperty(name="Enable", description="", default=False)
number_of_waves: IntProperty(
name="Number Waves",
description=(
"The waves and ripples patterns are generated by summing a series of waves, "
"each with a slightly different center and size"
),
min=1,
max=10,
default=1000,
)
noise_generator_enable: BoolProperty(name="Enable", description="", default=False)
noise_generator: IntProperty(
name="Noise Generator",
description="There are three noise generators implemented",
min=1,
max=3,
default=2,
)
# -------- PHOTONS -------- #
photon_enable: BoolProperty(name="Photons", description="Enable global photons", default=False)
photon_enable_count: BoolProperty(
name="Spacing / Count", description="Enable count photons", default=False
)
photon_count: IntProperty(
name="Count", description="Photons count", min=1, max=100000000, default=20000
)
photon_spacing: FloatProperty(
name="Spacing",
description="Average distance between photons on surfaces. half "
"this get four times as many surface photons",
min=0.001,
max=1.000,
soft_min=0.001,
soft_max=1.000,
precision=3,
default=0.005,
)
photon_max_trace_level: IntProperty(
name="Max Trace Level",
description="Number of reflections/refractions allowed on ray " "path",
min=1,
max=256,
default=5,
)
photon_adc_bailout: FloatProperty(
name="ADC Bailout",
description="The adc_bailout for photons. Use adc_bailout = "
"0.01 / brightest_ambient_object for good results",
min=0.0,
max=1000.0,
soft_min=0.0,
soft_max=1.0,
precision=3,
default=0.1,
)
photon_gather_min: IntProperty(
name="Gather Min",
description="Minimum number of photons gathered" "for each point",
min=1,
max=256,
default=20,
)
photon_gather_max: IntProperty(
name="Gather Max",
description="Maximum number of photons gathered for each point",
min=1,
max=256,
default=100,
)
photon_map_file_save_load: EnumProperty(
name="Operation",
description="Load or Save photon map file",
items=(("NONE", "None", ""), ("save", "Save", ""), ("load", "Load", "")),
default="NONE",
)
photon_map_filename: StringProperty(name="Filename", description="", maxlen=1024)
photon_map_dir: StringProperty(
name="Directory", description="", maxlen=1024, subtype="DIR_PATH"
)
photon_map_file: StringProperty(name="File", description="", maxlen=1024, subtype="FILE_PATH")
# -------- RADIOSITY -------- #
radio_adc_bailout: FloatProperty(
name="ADC Bailout",
description="The adc_bailout for radiosity rays. Use "
"adc_bailout = 0.01 / brightest_ambient_object for good results",
min=0.0,
max=1000.0,
soft_min=0.0,
soft_max=1.0,
default=0.0039,
precision=4,
)
radio_always_sample: BoolProperty(
name="Always Sample",
description="Only use the data from the pretrace step and not gather "
"any new samples during the final radiosity pass",
default=False,
)
radio_brightness: FloatProperty(
name="Brightness",
description="Amount objects are brightened before being returned "
"upwards to the rest of the system",
min=0.0,
max=1000.0,
soft_min=0.0,
soft_max=10.0,
default=1.0,
)
radio_count: IntProperty(
name="Ray Count",
description="Number of rays for each new radiosity value to be calculated "
"(halton sequence over 1600)",
min=1,
max=10000,
soft_max=1600,
default=35,
)
radio_error_bound: FloatProperty(
name="Error Bound",
description="One of the two main speed/quality tuning values, "
"lower values are more accurate",
min=0.0,
max=1000.0,
soft_min=0.1,
soft_max=10.0,
default=10.0,
)
radio_gray_threshold: FloatProperty(
name="Gray Threshold",
description="One of the two main speed/quality tuning values, "
"lower values are more accurate",
min=0.0,
max=1.0,
soft_min=0,
soft_max=1,
default=0.0,
)
radio_low_error_factor: FloatProperty(
name="Low Error Factor",
description="Just enough samples is slightly blotchy. Low error changes error "
"tolerance for less critical last refining pass",
min=0.000001,
max=1.0,
soft_min=0.000001,
soft_max=1.0,
default=0.5,
)
radio_media: BoolProperty(
name="Media", description="Radiosity estimation can be affected by media", default=True
)
radio_subsurface: BoolProperty(
name="Subsurface",
description="Radiosity estimation can be affected by Subsurface Light Transport",
default=False,
)
radio_minimum_reuse: FloatProperty(
name="Minimum Reuse",
description="Fraction of the screen width which sets the minimum radius of reuse "
"for each sample point (At values higher than 2% expect errors)",
min=0.0,
max=1.0,
soft_min=0.1,
soft_max=0.1,
default=0.015,
precision=3,
)
radio_maximum_reuse: FloatProperty(
name="Maximum Reuse",
description="The maximum reuse parameter works in conjunction with, and is similar to that of minimum reuse, "
"the only difference being that it is an upper bound rather than a lower one",
min=0.0,
max=1.0,
default=0.2,
precision=3,
)
radio_nearest_count: IntProperty(
name="Nearest Count",
description="Number of old ambient values blended together to "
"create a new interpolated value",
min=1,
max=20,
default=1,
)
radio_normal: BoolProperty(
name="Normals", description="Radiosity estimation can be affected by normals", default=False
)
radio_recursion_limit: IntProperty(
name="Recursion Limit",
description="how many recursion levels are used to calculate "
"the diffuse inter-reflection",
min=1,
max=20,
default=1,
)
radio_pretrace_start: FloatProperty(
name="Pretrace Start",
description="Fraction of the screen width which sets the size of the "
"blocks in the mosaic preview first pass",
min=0.005,
max=1.00,
soft_min=0.02,
soft_max=1.0,
default=0.04,
)
# XXX TODO set automatically to pretrace_end = 8 / max (image_width, image_height)
# for non advanced mode
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=0.000925,
max=1.00,
soft_min=0.01,
soft_max=1.00,
default=0.004,
precision=3,
)
classes = (RenderPovSettingsScene,)
def register():
for cls in classes:
register_class(cls)
Scene.pov = PointerProperty(type=RenderPovSettingsScene)
def unregister():
del Scene.pov
for cls in reversed(classes):
unregister_class(cls)
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