get_value_at()

double MayaFlux::Kakshya::WindowContainer::get_value_at ( const std::vector< uint64_t > &  coordinates ) const

overridevirtual

Get a single value at the specified coordinates.

Parameters

coordinates

N-dimensional coordinates

Returns

Value at the specified location

Implements MayaFlux::Kakshya::NDDataContainer.

Definition at line 129 of file WindowContainer.cpp.

{
    if (coordinates.size() < 3 || m_processed_data.empty())
        return 0.0;
 
    const auto* pixels = std::get_if<std::vector<uint8_t>>(&m_processed_data[0]);
    if (!pixels)
        return 0.0;
 
    const uint64_t w = m_structure.get_width();
    const uint64_t c = m_structure.get_channel_count();
    const uint64_t idx = (coordinates[0] * w + coordinates[1]) * c + coordinates[2];
 
    if (idx >= pixels->size())
        return 0.0;
 
    return static_cast<double>((*pixels)[idx]) / 255.0;
}

References MayaFlux::Kakshya::ContainerDataStructure::get_channel_count(), MayaFlux::Kakshya::ContainerDataStructure::get_width(), m_processed_data, and m_structure.

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