PointTableTest.cpp

/******************************************************************************
* Copyright (c) 2011, Michael P. Gerlek (mpg@flaxen.com)
*
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#include <pdal/pdal_test_main.hpp>

#include <pdal/PointTable.hpp>
#include <las/LasReader.hpp>
#include "Support.hpp"

using namespace pdal;

TEST(PointTable, resolveType)
{
    using namespace Dimension;

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

    // Start with a default-defined dimension.
    layout->registerDim(Id::X);
    EXPECT_EQ(layout->dimSize(Id::X), 8u);
    EXPECT_EQ(layout->dimType(Id::X), Type::Double);

    layout->registerDim(Id::X, Type::Signed32);
    EXPECT_EQ(layout->dimSize(Id::X), 8u);
    EXPECT_EQ(layout->dimType(Id::X), Type::Double);

    layout->registerDim(Dimension::Id::X, Type::Unsigned8);
    EXPECT_EQ(layout->dimSize(Id::X), 8u);
    EXPECT_EQ(layout->dimType(Id::X), Type::Double);

    /// Build as we go.
    layout->registerDim(Id::Y, Type::Unsigned8);
    EXPECT_EQ(layout->dimSize(Id::Y), 1u);
    EXPECT_EQ(layout->dimType(Id::Y), Type::Unsigned8);

    layout->registerDim(Id::Y, Type::Unsigned8);
    EXPECT_EQ(layout->dimSize(Id::Y), 1u);
    EXPECT_EQ(layout->dimType(Id::Y), Type::Unsigned8);

    layout->registerDim(Id::Y, Type::Signed8);
    // Signed 8 and Unsigned 8 should yeild signed 16.
    EXPECT_EQ(layout->dimSize(Id::Y), 2u);
    EXPECT_EQ(layout->dimType(Id::Y), Type::Signed16);

    layout->registerDim(Id::Y, Type::Signed16);
    EXPECT_EQ(layout->dimSize(Id::Y), 2u);
    EXPECT_EQ(layout->dimType(Id::Y), Type::Signed16);

    layout->registerDim(Id::Y, Type::Float);
    EXPECT_EQ(layout->dimSize(Id::Y), 4u);
    EXPECT_EQ(layout->dimType(Id::Y), Type::Float);

    layout->registerDim(Id::Y, Type::Double);
    EXPECT_EQ(layout->dimSize(Id::Y), 8u);
    EXPECT_EQ(layout->dimType(Id::Y), Type::Double);

    ///
    layout->registerDim(Id::Z, Type::Unsigned16);
    EXPECT_EQ(layout->dimSize(Id::Z), 2u);
    EXPECT_EQ(layout->dimType(Id::Z), Type::Unsigned16);

    layout->registerDim(Id::Z, Type::Signed8);
    EXPECT_EQ(layout->dimSize(Id::Z), 4u);
    EXPECT_EQ(layout->dimType(Id::Z), Type::Signed32);

    layout->registerDim(Id::Z, Type::Signed16);
    EXPECT_EQ(layout->dimSize(Id::Z), 4u);
    EXPECT_EQ(layout->dimType(Id::Z), Type::Signed32);

    layout->registerDim(Id::Z, Type::Double);
    EXPECT_EQ(layout->dimSize(Id::Z), 8u);
    EXPECT_EQ(layout->dimType(Id::Z), Type::Double);
}

TEST(PointTable, userView)
{
    class UserTable : public PointTable
    {
    private:
        double m_x;
        double m_y;
        double m_z;

    public:
        PointId addPoint()
            { return 0; }
        char *getPoint(PointId idx)
            { return NULL; }
        void setFieldInternal(Dimension::Id::Enum id, PointId idx,
            const void *value)
        {
            if (id == Dimension::Id::X)
               m_x = *(const double *)value;
            else if (id == Dimension::Id::Y)
               m_y = *(const double *)value;
            else if (id == Dimension::Id::Z)
               m_z = *(const double *)value;
        }
        void getFieldInternal(Dimension::Id::Enum id, PointId idx,
            void *value) const
        {
            if (id == Dimension::Id::X)
               *(double *)value = m_x;
            else if (id == Dimension::Id::Y)
               *(double *)value = m_y;
            else if (id == Dimension::Id::Z)
               *(double *)value = m_z;
        }
    };

    LasReader reader;

    Options opts;
    opts.add("filename", Support::datapath("las/simple.las"));
    opts.add("count", 100);

    reader.setOptions(opts);

    PointTable defTable;
    reader.prepare(defTable);
    PointViewSet viewSet = reader.execute(defTable);
    PointViewPtr defView = *viewSet.begin();

    bool called(false);
    auto readCb = [defView, &called](PointView& customView, PointId id)
    {
        called = true;
        double xDef = defView->getFieldAs<double>(Dimension::Id::X, id);
        double yDef = defView->getFieldAs<double>(Dimension::Id::Y, id);
        double zDef = defView->getFieldAs<double>(Dimension::Id::Z, id);

        double x = customView.getFieldAs<double>(Dimension::Id::X, id);
        double y = customView.getFieldAs<double>(Dimension::Id::Y, id);
        double z = customView.getFieldAs<double>(Dimension::Id::Z, id);

        EXPECT_FLOAT_EQ(xDef, x);
        EXPECT_FLOAT_EQ(yDef, y);
        EXPECT_FLOAT_EQ(zDef, z);
    };

    reader.setReadCb(readCb);
    UserTable table;

    reader.prepare(table);
    reader.execute(table);
    EXPECT_TRUE(called);
}