Method prepare

pdal/Stage.cpp:165–203

void Stage::prepare(PointTableRef table)
{
    // Linearize
    std::stack<Stage *> pending;
    std::vector<Stage *> stages;

    pending.push(this);
    while (pending.size())
    {
        Stage *s = pending.top();
        pending.pop();
        stages.push_back(s);
        for (Stage *in : s->m_inputs)
            pending.push(in);
    }

    // Initialize each stage.
    for (auto it = stages.rbegin(); it != stages.rend(); it++)
    {
        Stage *s = *it;
        s->m_args.reset(new ProgramArgs);
        s->handleOptions();
        s->startLogging();
        s->l_initialize(table);
        s->initialize(table);
        s->addDimensions(table.layout());
        s->stopLogging();
    }

    // Call prepared() now that all stages are initialized.
    for (auto it = stages.rbegin(); it != stages.rend(); it++)
    {
        Stage *s = *it;
        s->startLogging();
        s->l_prepared(table);
        s->prepared(table);
        s->stopLogging();
    }
}


PointViewSet Stage::execute(PointTableRef table)