Function rs_pbrt::core::api::make_sampler
source · pub fn make_sampler(
name: &str,
param_set: &ParamSet,
film: Arc<Film>
) -> Option<Box<Sampler>>
Examples found in repository?
examples/parse_ass_file.rs (line 205)
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fn make_path_integrator(
filter_width: Float,
xres: i32,
yres: i32,
fov: Float,
animated_cam_to_world: AnimatedTransform,
maxdepth: i32,
pixelsamples: i32,
) -> Option<Box<Integrator>> {
let some_integrator: Option<Box<Integrator>>;
let some_camera: Option<Arc<Camera>> =
make_perspective_camera(filter_width, xres, yres, fov, animated_cam_to_world);
if let Some(camera) = some_camera {
let sampler_name: String = String::from("sobol");
let mut sampler_params: ParamSet = ParamSet::default();
sampler_params.add_int(String::from("pixelsamples"), pixelsamples);
let some_sampler: Option<Box<Sampler>> =
make_sampler(&sampler_name, &sampler_params, camera.get_film());
if let Some(sampler) = some_sampler {
// CreatePathIntegrator
let integrator_params: ParamSet = ParamSet::default();
let max_depth: i32 = integrator_params.find_one_int("maxdepth", maxdepth);
let pixel_bounds: Bounds2i = camera.get_film().get_sample_bounds();
let rr_threshold: Float = integrator_params.find_one_float("rrthreshold", 1.0 as Float);
let light_strategy: String =
integrator_params.find_one_string("lightsamplestrategy", String::from("spatial"));
let integrator = Box::new(Integrator::Sampler(SamplerIntegrator::Path(
PathIntegrator::new(
max_depth as u32,
camera,
sampler,
pixel_bounds,
rr_threshold,
light_strategy,
),
)));
some_integrator = Some(integrator);
} else {
panic!("Unable to create sampler.");
}
} else {
panic!("Unable to create camera.");
}
some_integrator
}