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SpatialPageHeader

geographdb_core::storage::spatial_page

Struct SpatialPageHeader

#[repr(C)]
pub struct SpatialPageHeader {Show 18 fields
    pub magic: u32,
    pub version: u32,
    pub morton_prefix: u64,
    pub node_count: u16,
    pub morton_shift: u8,
    pub _pad1: [u8; 5],
    pub min_x: f32,
    pub max_x: f32,
    pub min_y: f32,
    pub max_y: f32,
    pub min_z: f32,
    pub max_z: f32,
    pub _pad2: [u8; 8],
    pub property_block_offset: u32,
    pub property_block_len: u32,
    pub edge_cluster_offset: u32,
    pub edge_cluster_len: u32,
    pub _reserved: [u8; 16],
}

Expand description

Fixed-size page header (88 bytes, no padding).

Fields§

§magic: u32§version: u32§morton_prefix: u64§node_count: u16§morton_shift: u8§_pad1: [u8; 5]§min_x: f32

Bounding box of all nodes in this page.

§max_x: f32§min_y: f32§max_y: f32§min_z: f32§max_z: f32§_pad2: [u8; 8]§property_block_offset: u32

Offset within page body (after header) to property block, in bytes.

§property_block_len: u32

Length of property block in bytes.

§edge_cluster_offset: u32

Offset within page body to edge cluster, in bytes.

§edge_cluster_len: u32

Number of edges in this page’s edge cluster.

§_reserved: [u8; 16]

Implementations§

impl SpatialPageHeader

pub const LEN: usize

pub fn validate(&self) -> Result<()>

pub fn bbox(&self) -> BoundingBox

Trait Implementations§

impl Clone for SpatialPageHeader

fn clone(&self) -> SpatialPageHeader

Returns a duplicate of the value. Read more

1.0.0 (const: unstable) · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more

impl Debug for SpatialPageHeader

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

impl Zeroable for SpatialPageHeader

fn zeroed() -> Self

Calls zeroed. Read more

impl Copy for SpatialPageHeader

impl Pod for SpatialPageHeader

Auto Trait Implementations§

impl Freeze for SpatialPageHeader

impl RefUnwindSafe for SpatialPageHeader

impl Send for SpatialPageHeader

impl Sync for SpatialPageHeader

impl Unpin for SpatialPageHeader

impl UnsafeUnpin for SpatialPageHeader

impl UnwindSafe for SpatialPageHeader

Blanket Implementations§

impl<T> Any for T
where T: 'static + ?Sized,

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

impl<T> Borrow<T> for T
where T: ?Sized,

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

impl<T> BorrowMut<T> for T
where T: ?Sized,

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

impl<T> CheckedBitPattern for T
where T: AnyBitPattern,

type Bits = T

Self must have the same layout as the specified Bits except for the possible invalid bit patterns being checked during is_valid_bit_pattern.

fn is_valid_bit_pattern(_bits: &T) -> bool

If this function returns true, then it must be valid to reinterpret bits as &Self.

impl<T> CloneToUninit for T
where T: Clone,

unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)

Performs copy-assignment from self to dest. Read more

impl<T> From<T> for T

fn from(t: T) -> T

Returns the argument unchanged.

impl<T, U> Into<U> for T
where U: From<T>,

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

impl<T> ToOwned for T
where T: Clone,

type Owned = T

The resulting type after obtaining ownership.

fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more

impl<T, U> TryFrom<U> for T
where U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.

impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.

impl<T> AnyBitPattern for T
where T: Pod,

impl<T> NoUninit for T
where T: Pod,