public Camera MakeCamera(PbrtOptions options)
{
Filter filter = PbrtApi.MakeFilter(FilterName, FilterParams);
Film film = PbrtApi.MakeFilm(options, FilmName, FilmParams, filter);
if (film == null)
{
//Error("Unable to create film.");
return(null);
}
Camera camera = PbrtApi.MakeCamera(CameraName, CameraParams, CameraToWorld,
TransformStartTime,
TransformEndTime, film);
return(camera);
}
public Scene MakeScene()
{
Primitive accelerator =
PbrtApi.MakeAccelerator(AcceleratorName, Primitives, AcceleratorParams);
if (accelerator == null)
{
accelerator = new BvhAccelerator(Primitives);
}
Scene scene = new Scene(accelerator, Lights);
// Erase primitives and lights from _RenderOptions_
Primitives.Clear();
Lights.Clear();
return(scene);
}
public Integrator MakeIntegrator(PbrtOptions options)
{
Camera camera = MakeCamera(options);
if (camera == null)
{
//Error("Unable to create camera");
return(null);
}
Sampler sampler =
PbrtApi.MakeSampler(SamplerName, SamplerParams, camera.Film);
if (sampler == null)
{
//Error("Unable to create sampler.");
return(null);
}
Integrator integrator = null;
switch (IntegratorName)
{
case "whitted":
integrator = WhittedIntegrator.Create(IntegratorParams, sampler, camera);
break;
//case "directlighting":
// integrator =
// CreateDirectLightingIntegrator(IntegratorParams, sampler, camera);
// break;
//case "path":
// integrator = CreatePathIntegrator(IntegratorParams, sampler, camera);
// break;
//case "volpath":
// integrator = CreateVolPathIntegrator(IntegratorParams, sampler, camera);
// break;
//case "bdpt":
// integrator = CreateBDPTIntegrator(IntegratorParams, sampler, camera);
// break;
//case "mlt":
// integrator = CreateMLTIntegrator(IntegratorParams, camera);
// break;
//case "ambientocclusion":
// integrator = CreateAOIntegrator(IntegratorParams, sampler, camera);
// break;
//case "sppm":
// integrator = CreateSPPMIntegrator(IntegratorParams, camera);
// break;
default:
//Error("Integrator \"%s\" unknown.", IntegratorName.c_str());
return(null);
}
if (HasScatteringMedia && IntegratorName != "volpath" &&
IntegratorName != "bdpt" && IntegratorName != "mlt")
{
//Warning(
// "Scene has scattering media but \"%s\" integrator doesn't support "
// "volume scattering. Consider using \"volpath\", \"bdpt\", or "
// "\"mlt\".", IntegratorName.c_str());
}
IntegratorParams.ReportUnused();
// Warn if no light sources are defined
if (!Lights.Any())
{
//Warning(
// "No light sources defined in scene; "
//"rendering a black image.");
}
return(integrator);
}