C++ ParamSet::FindOneFilename方法代码示例

本文整理汇总了C++中ParamSet::FindOneFilename方法的典型用法代码示例。如果您正苦于以下问题：C++ ParamSet::FindOneFilename方法的具体用法？C++ ParamSet::FindOneFilename怎么用？C++ ParamSet::FindOneFilename使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类ParamSet的用法示例。

在下文中一共展示了ParamSet::FindOneFilename方法的5个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: CreateGoniometricLight

std::shared_ptr<GonioPhotometricLight> CreateGoniometricLight(
    const Transform &light2world, const Medium *medium,
    const ParamSet &paramSet) {
    Spectrum I = paramSet.FindOneSpectrum("I", Spectrum(1.0));
    Spectrum sc = paramSet.FindOneSpectrum("scale", Spectrum(1.0));
    std::string texname = paramSet.FindOneFilename("mapname", "");
    return std::make_shared<GonioPhotometricLight>(light2world, medium, I * sc,
                                                   texname);
}

开发者ID:KojiNakamaru，项目名称:pbrt-v3，代码行数:9，代码来源:goniometric.cpp

示例2: CreateProjectionLight

std::shared_ptr<ProjectionLight> CreateProjectionLight(
    const Transform &light2world, const Medium *medium,
    const ParamSet &paramSet) {
    Spectrum I = paramSet.FindOneSpectrum("I", Spectrum(1.0));
    Spectrum sc = paramSet.FindOneSpectrum("scale", Spectrum(1.0));
    Float fov = paramSet.FindOneFloat("fov", 45.);
    std::string texname = paramSet.FindOneFilename("mapname", "");
    return std::make_shared<ProjectionLight>(light2world, medium, I * sc,
                                             texname, fov);
}

开发者ID:syoyo，项目名称:pbrt-v3，代码行数:10，代码来源:projection.cpp

示例3: CreateInfiniteLight

std::shared_ptr<InfiniteAreaLight> CreateInfiniteLight(
    const Transform &light2world, const ParamSet &paramSet) {
    Spectrum L = paramSet.FindOneSpectrum("L", Spectrum(1.0));
    Spectrum sc = paramSet.FindOneSpectrum("scale", Spectrum(1.0));
    std::string texmap = paramSet.FindOneFilename("mapname", "");
    int nSamples = paramSet.FindOneInt("nsamples", 1);
    if (PbrtOptions.quickRender) nSamples = std::max(1, nSamples / 4);
    return std::make_shared<InfiniteAreaLight>(light2world, L * sc, nSamples,
                                               texmap);
}

开发者ID:udyankhurana，项目名称:pbrt-v3，代码行数:10，代码来源:infinite.cpp

示例4: if

std::vector<std::shared_ptr<Shape>> CreatePLYMesh(
    const Transform *o2w, const Transform *w2o, bool reverseOrientation,
    const ParamSet &params,
    std::map<std::string, std::shared_ptr<Texture<Float>>> *floatTextures) {
    const std::string filename = params.FindOneFilename("filename", "");
    p_ply ply = ply_open(filename.c_str(), rply_message_callback, 0, nullptr);
    if (!ply) {
        Error("Couldn't open PLY file \"%s\"", filename.c_str());
        return std::vector<std::shared_ptr<Shape>>();
    }

    if (!ply_read_header(ply)) {
        Error("Unable to read the header of PLY file \"%s\"", filename.c_str());
        return std::vector<std::shared_ptr<Shape>>();
    }

    p_ply_element element = nullptr;
    long vertexCount = 0, faceCount = 0;

    /* Inspect the structure of the PLY file */
    while ((element = ply_get_next_element(ply, element)) != nullptr) {
        const char *name;
        long nInstances;

        ply_get_element_info(element, &name, &nInstances);
        if (!strcmp(name, "vertex"))
            vertexCount = nInstances;
        else if (!strcmp(name, "face"))
            faceCount = nInstances;
    }

    if (vertexCount == 0 || faceCount == 0) {
        Error("PLY file \"%s\" is invalid! No face/vertex elements found!",
              filename.c_str());
        return std::vector<std::shared_ptr<Shape>>();
    }

    CallbackContext context;

    if (ply_set_read_cb(ply, "vertex", "x", rply_vertex_callback, &context,
                        0x030) &&
        ply_set_read_cb(ply, "vertex", "y", rply_vertex_callback, &context,
                        0x031) &&
        ply_set_read_cb(ply, "vertex", "z", rply_vertex_callback, &context,
                        0x032)) {
        context.p = new Point3f[vertexCount];
    } else {
        Error("PLY file \"%s\": Vertex coordinate property not found!",
              filename.c_str());
        return std::vector<std::shared_ptr<Shape>>();
    }

    if (ply_set_read_cb(ply, "vertex", "nx", rply_vertex_callback, &context,
                        0x130) &&
        ply_set_read_cb(ply, "vertex", "ny", rply_vertex_callback, &context,
                        0x131) &&
        ply_set_read_cb(ply, "vertex", "nz", rply_vertex_callback, &context,
                        0x132))
        context.n = new Normal3f[vertexCount];

    /* There seem to be lots of different conventions regarding UV coordinate
     * names */
    if ((ply_set_read_cb(ply, "vertex", "u", rply_vertex_callback, &context,
                         0x220) &&
         ply_set_read_cb(ply, "vertex", "v", rply_vertex_callback, &context,
                         0x221)) ||
        (ply_set_read_cb(ply, "vertex", "s", rply_vertex_callback, &context,
                         0x220) &&
         ply_set_read_cb(ply, "vertex", "t", rply_vertex_callback, &context,
                         0x221)) ||
        (ply_set_read_cb(ply, "vertex", "texture_u", rply_vertex_callback,
                         &context, 0x220) &&
         ply_set_read_cb(ply, "vertex", "texture_v", rply_vertex_callback,
                         &context, 0x221)) ||
        (ply_set_read_cb(ply, "vertex", "texture_s", rply_vertex_callback,
                         &context, 0x220) &&
         ply_set_read_cb(ply, "vertex", "texture_t", rply_vertex_callback,
                         &context, 0x221)))
        context.uv = new Point2f[vertexCount];

    /* Allocate enough space in case all faces are quads */
    context.indices = new int[faceCount * 6];
    context.vertexCount = vertexCount;

    ply_set_read_cb(ply, "face", "vertex_indices", rply_face_callback, &context,
                    0);

    if (!ply_read(ply)) {
        Error("Unable to read the contents of PLY file \"%s\"",
              filename.c_str());
        ply_close(ply);
        return std::vector<std::shared_ptr<Shape>>();
    }

    ply_close(ply);

    if (context.error) return std::vector<std::shared_ptr<Shape>>();

    // Look up an alpha texture, if applicable
    std::shared_ptr<Texture<Float>> alphaTex;
//.........这里部分代码省略.........

开发者ID:Vertexwahn，项目名称:pbrt-v3，代码行数:101，代码来源:plymesh.cpp

示例5: if

std::vector<std::shared_ptr<Shape>> CreatePLYMesh(
    const Transform *o2w, const Transform *w2o, bool reverseOrientation,
    const ParamSet &params,
    std::map<std::string, std::shared_ptr<Texture<Float>>> *floatTextures) {
    const std::string filename = params.FindOneFilename("filename", "");
    p_ply ply = ply_open(filename.c_str(), rply_message_callback, 0, nullptr);
    if (!ply) {
        Error("Couldn't open PLY file \"%s\"", filename.c_str());
        return std::vector<std::shared_ptr<Shape>>();
    }

    if (!ply_read_header(ply)) {
        Error("Unable to read the header of PLY file \"%s\"", filename.c_str());
        return std::vector<std::shared_ptr<Shape>>();
    }

    p_ply_element element = nullptr;
    long vertexCount = 0, faceCount = 0;

    /* Inspect the structure of the PLY file */
    while ((element = ply_get_next_element(ply, element)) != nullptr) {
        const char *name;
        long nInstances;

        ply_get_element_info(element, &name, &nInstances);
        if (!strcmp(name, "vertex"))
            vertexCount = nInstances;
        else if (!strcmp(name, "face"))
            faceCount = nInstances;
    }

    if (vertexCount == 0 || faceCount == 0) {
        Error("PLY file \"%s\" is invalid! No face/vertex elements found!",
              filename.c_str());
        return std::vector<std::shared_ptr<Shape>>();
    }

    CallbackContext context;

    if (ply_set_read_cb(ply, "vertex", "x", rply_vertex_callback, &context,
                        0x030) &&
        ply_set_read_cb(ply, "vertex", "y", rply_vertex_callback, &context,
                        0x031) &&
        ply_set_read_cb(ply, "vertex", "z", rply_vertex_callback, &context,
                        0x032)) {
        context.p = new Point3f[vertexCount];
    } else {
        Error("PLY file \"%s\": Vertex coordinate property not found!",
              filename.c_str());
        return std::vector<std::shared_ptr<Shape>>();
    }

    if (ply_set_read_cb(ply, "vertex", "nx", rply_vertex_callback, &context,
                        0x130) &&
        ply_set_read_cb(ply, "vertex", "ny", rply_vertex_callback, &context,
                        0x131) &&
        ply_set_read_cb(ply, "vertex", "nz", rply_vertex_callback, &context,
                        0x132))
        context.n = new Normal3f[vertexCount];

    /* There seem to be lots of different conventions regarding UV coordinate
     * names */
    if ((ply_set_read_cb(ply, "vertex", "u", rply_vertex_callback, &context,
                         0x220) &&
         ply_set_read_cb(ply, "vertex", "v", rply_vertex_callback, &context,
                         0x221)) ||
        (ply_set_read_cb(ply, "vertex", "s", rply_vertex_callback, &context,
                         0x220) &&
         ply_set_read_cb(ply, "vertex", "t", rply_vertex_callback, &context,
                         0x221)) ||
        (ply_set_read_cb(ply, "vertex", "texture_u", rply_vertex_callback,
                         &context, 0x220) &&
         ply_set_read_cb(ply, "vertex", "texture_v", rply_vertex_callback,
                         &context, 0x221)) ||
        (ply_set_read_cb(ply, "vertex", "texture_s", rply_vertex_callback,
                         &context, 0x220) &&
         ply_set_read_cb(ply, "vertex", "texture_t", rply_vertex_callback,
                         &context, 0x221)))
        context.uv = new Point2f[vertexCount];

    /* Allocate enough space in case all faces are quads */
    context.indices = new int[faceCount * 6];
    context.vertexCount = vertexCount;

    ply_set_read_cb(ply, "face", "vertex_indices", rply_face_callback, &context,
                    0);

    if (!ply_read(ply)) {
        Error("Unable to read the contents of PLY file \"%s\"",
              filename.c_str());
        ply_close(ply);
        return std::vector<std::shared_ptr<Shape>>();
    }

    ply_close(ply);

    if (context.error) return std::vector<std::shared_ptr<Shape>>();

    // Look up an alpha texture, if applicable
    std::shared_ptr<Texture<Float>> alphaTex;
//.........这里部分代码省略.........

开发者ID:Jerry-King，项目名称:pbrt-v3，代码行数:101，代码来源:plymesh.cpp

注：本文中的ParamSet::FindOneFilename方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。