C++ (Cpp) Bounds2i::Area示例

示例#1

文件： bdpt.cpp 项目： wjakob/pbrt-v3

BDPTIntegrator *CreateBDPTIntegrator(const ParamSet &params,
                                     std::shared_ptr<Sampler> sampler,
                                     std::shared_ptr<const Camera> camera) {
    int maxDepth = params.FindOneInt("maxdepth", 5);
    bool visualizeStrategies = params.FindOneBool("visualizestrategies", false);
    bool visualizeWeights = params.FindOneBool("visualizeweights", false);

    if ((visualizeStrategies || visualizeWeights) && maxDepth > 5) {
        Warning(
            "visualizestrategies/visualizeweights was enabled, limiting "
            "maxdepth to 5");
        maxDepth = 5;
    }
    int np;
    const int *pb = params.FindInt("pixelbounds", &np);
    Bounds2i pixelBounds = camera->film->GetSampleBounds();
    if (pb) {
        if (np != 4)
            Error("Expected four values for \"pixelbounds\" parameter. Got %d.",
                  np);
        else {
            pixelBounds = Intersect(pixelBounds,
                                    Bounds2i{{pb[0], pb[2]}, {pb[1], pb[3]}});
            if (pixelBounds.Area() == 0)
                Error("Degenerate \"pixelbounds\" specified.");
        }
    }

    std::string lightStrategy = params.FindOneString("lightsamplestrategy",
                                                     "power");
    return new BDPTIntegrator(sampler, camera, maxDepth, visualizeStrategies,
                              visualizeWeights, pixelBounds, lightStrategy);
}

示例#2

文件： volpath.cpp 项目： zhongleiyang/pbrt-v3

VolPathIntegrator *CreateVolPathIntegrator(
    const ParamSet &params, std::shared_ptr<Sampler> sampler,
    std::shared_ptr<const Camera> camera) {
    int maxDepth = params.FindOneInt("maxdepth", 5);
    int np;
    const int *pb = params.FindInt("pixelbounds", &np);
    Bounds2i pixelBounds = camera->film->croppedPixelBounds;
    if (pb) {
        if (np != 4)
            Error("Expected four values for \"pixelbounds\" parameter. Got %d.",
                  np);
        else {
            pixelBounds = Intersect(pixelBounds,
                                    Bounds2i{{pb[0], pb[2]}, {pb[1], pb[3]}});
            if (pixelBounds.Area() == 0)
                Error("Degenerate \"pixelbounds\" specified.");
        }
    }
    return new VolPathIntegrator(maxDepth, camera, sampler, pixelBounds);
}

示例#3

文件： volpath.cpp 项目： dbadb/pbrt-v3

VolPathIntegrator *CreateVolPathIntegrator(
    const ParamSet &params, std::shared_ptr<Sampler> sampler,
    std::shared_ptr<const Camera> camera) {
    int maxDepth = params.FindOneInt("maxdepth", 5);
    int np;
    const int *pb = params.FindInt("pixelbounds", &np);
    Bounds2i pixelBounds = camera->film->GetSampleBounds();
    if (pb) {
        if (np != 4)
            Error("Expected four values for \"pixelbounds\" parameter. Got %d.",
                  np);
        else {
            pixelBounds = Intersect(pixelBounds,
                                    Bounds2i{{pb[0], pb[2]}, {pb[1], pb[3]}});
            if (pixelBounds.Area() == 0)
                Error("Degenerate \"pixelbounds\" specified.");
        }
    }
    Float rrThreshold = params.FindOneFloat("rrthreshold", 1.);
    std::string lightStrategy =
        params.FindOneString("lightsamplestrategy", "spatial");
    return new VolPathIntegrator(maxDepth, camera, sampler, pixelBounds,
                                 rrThreshold, lightStrategy);
}