def create_sampler_stratified(paramset: ParamSet, film: Film, camera: Camera) -> StratifiedSampler:
jitter = paramset.find_bool("jitter", True)
xsamples = paramset.find_int("xsamples", 2)
ysamples = paramset.find_int("ysamples", 2)
sampler = StratifiedSampler(BucketExtend(0, 0, film.width - 1, film.height - 1), xsamples, ysamples, jitter,
camera.shutterOpen, camera.shutterClose)
return sampler
def create_diffuse_area_light(light2world: Transform, paramSet: ParamSet, shape: Shape):
L = paramSet.find_spectrum("L", Spectrum(1.0))
sc = paramSet.find_spectrum("scale", Spectrum(1.0))
nSamples = paramSet.find_int("nsamples", 1)
# if renderOptions.quickRender:
# nSamples = max(1, nSamples / 4)
return DiffuseAreaLight(light2world, L * sc, nSamples, shape)
def create_film_image(paramset: ParamSet, filter: Filter) -> Film:
w = paramset.find_int("xresolution", 640)
h = paramset.find_int("yresolution", 480)
return Film(w, h)
def create_sampler_random(paramset: ParamSet, film: Film, camera: Camera) -> RandomSampler:
samples = paramset.find_int("pixelsamples", 1)
sampler = RandomSampler(BucketExtend(0, 0, film.width - 1, film.height - 1), samples, camera.shutterOpen,
camera.shutterClose)
return sampler
def create_surface_integrator_path(paramset: ParamSet) -> DirectLightingIntegrator:
samples_count = paramset.find_int("maxdepth", 2)
integrator = PathIntegrator(samples_count)
return integrator
def create_surface_integrator_direct_lighting(paramset: ParamSet) -> DirectLightingIntegrator:
samples_count = paramset.find_int("nsamples", 2048)
max_distance = paramset.find_float("maxdist", infinity_max_f)
#todo depth etc
integrator = DirectLightingIntegrator(samples_count, max_distance)
return integrator
def create_surface_integrator_ambient_occlusion(paramset: ParamSet) -> AmbientOcclusionIntegrator:
samples_count = paramset.find_int("nsamples", 2048)
max_distance = paramset.find_float("maxdist", infinity_max_f)
integrator = AmbientOcclusionIntegrator(samples_count, max_distance)
return integrator
