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C++ PointViewPtr::getPackedPoint方法代码示例

本文整理汇总了C++中PointViewPtr::getPackedPoint方法的典型用法代码示例。如果您正苦于以下问题:C++ PointViewPtr::getPackedPoint方法的具体用法?C++ PointViewPtr::getPackedPoint怎么用?C++ PointViewPtr::getPackedPoint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PointViewPtr的用法示例。


在下文中一共展示了PointViewPtr::getPackedPoint方法的2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: getBytes

std::vector<char> getBytes(PointViewPtr view)
{
    std::vector<char> bytes(view->pointSize() * view->size());
    DimTypeList dimTypes = view->dimTypes();

    char *p = bytes.data();
    for (PointId idx = 0; idx < view->size(); ++idx)
    {
        view->getPackedPoint(dimTypes, idx, p);
        p += view->pointSize();
    }
    return bytes;
}
开发者ID:PDAL,项目名称:PDAL,代码行数:13,代码来源:LazPerfTest.cpp

示例2: layout

TEST(Compression, simple)
{
    const std::string file(Support::datapath("las/1.2-with-color.las"));

    const pdal::Option opt_filename("filename", file);
    pdal::Options opts;
    opts.add(opt_filename);

    LasReader reader;
    reader.setOptions(opts);

    PointTable table;
    PointLayoutPtr layout(table.layout());

    reader.prepare(table);
    PointViewSet viewSet = reader.execute(table);
    PointViewPtr view = *viewSet.begin();

    EXPECT_EQ(layout->pointSize(), 52U);

    std::vector<unsigned char> rawBuf;

    DimTypeList dimTypes = layout->dimTypes();
    auto cb = [&rawBuf](char *buf, size_t bufsize)
    {
        unsigned char *ubuf = reinterpret_cast<unsigned char *>(buf);
        rawBuf.insert(rawBuf.end(), ubuf, ubuf + bufsize);
    };

    LazPerfCompressor compressor(cb, dimTypes);

    std::vector<char> tmpbuf(layout->pointSize());
    for (PointId idx = 0; idx < view->size(); ++idx)
    {
        view->getPackedPoint(dimTypes, idx, tmpbuf.data());
        compressor.compress(tmpbuf.data(), layout->pointSize());
    }
    compressor.done();

    EXPECT_EQ(view->size() * layout->pointSize(), (size_t)55380);
    EXPECT_EQ(rawBuf.size(), (size_t)30945);

    PointViewPtr otherView(new PointView(table));
    PointId nextId(0);
    auto cb2 = [&otherView, &dimTypes, &nextId](char *buf, size_t bufsize)
    {

        otherView->setPackedPoint(dimTypes, nextId, buf);
        nextId++;
    };

    LazPerfDecompressor(cb2, dimTypes, view->size()).
        decompress(reinterpret_cast<const char *>(rawBuf.data()),
            rawBuf.size());

    EXPECT_EQ(otherView->size(), 1065U);
    EXPECT_EQ(getBytes(otherView).size(), (size_t)(52 * 1065));

    uint16_t r = otherView->getFieldAs<uint16_t>(Dimension::Id::Red, 10);
    EXPECT_EQ(r, 64U);
    int32_t x = otherView->getFieldAs<int32_t>(Dimension::Id::X, 10);
    EXPECT_EQ(x, 636038);
    double xd = otherView->getFieldAs<double>(Dimension::Id::X, 10);
    EXPECT_FLOAT_EQ(xd, 636037.53);
    int32_t y = otherView->getFieldAs<int32_t>(Dimension::Id::Y, 10);
    EXPECT_EQ(y, 849338);
}
开发者ID:PDAL,项目名称:PDAL,代码行数:67,代码来源:LazPerfTest.cpp


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