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//! Point classification information (e.g. ground, building, etc).

#[derive(PartialEq, Eq, Debug)]
/// The classification enum, which contains all the point classifications defined through las 1.2.
pub enum Classification {
    CreatedNeverClassified,
    Unclassified,
    Ground,
    LowVegetation,
    MediumVegetation,
    HighVegetation,
    Building,
    LowPoint,
    ModelKeyPoint,
    Water,
    Overlap,
    Reserved,
}

impl Default for Classification {
    fn default() -> Classification {
        Classification::CreatedNeverClassified
    }
}

impl Classification {
    /// Lookup the classification value by its integer code.
    pub fn lookup(value: u8) -> Classification {
        match value {
            0 => Classification::CreatedNeverClassified,
            1 => Classification::Unclassified,
            2 => Classification::Ground,
            3 => Classification::LowVegetation,
            4 => Classification::MediumVegetation,
            5 => Classification::HighVegetation,
            6 => Classification::Building,
            7 => Classification::LowPoint,
            8 => Classification::ModelKeyPoint,
            9 => Classification::Water,
            12 => Classification::Overlap,
            _ => Classification::Reserved,
        }
    }
}