Struct laz::laszip::LazVlr

pub struct LazVlr { /* private fields */ }

The data stored in the record_data of the Laszip Vlr

This vlr contains information needed to compress or decompress LAZ/LAS data. Such as the points per chunk, the fields & version of the compression/decompression algorithm.

To create one from scratch, see the LazVlrBuilder

Implementations

impl LazVlr

pub const USER_ID: &'static str = "laszip encoded"

The user id of the LasZip VLR header.

pub const RECORD_ID: u16 = 22_204u16

The record id of the LasZip VLR header.

pub const DESCRIPTION: &'static str = "https://laszip.org"

The description of the LasZip VLR header.

pub fn from_laz_items(items: Vec<LazItem>) -> Self

Creates a new LazVlr

With fixed-size chunks.

panics

Will panic if items is empty or contains invalid items.

pub fn read_from<R: Read>(src: R) -> Result<Self>

Tries to read the Vlr information from the record_data source

pub fn from_buffer<T: AsRef<[u8]>>(buffer: T) -> Result<Self>

pub fn write_to<W: Write>(&self, dst: &mut W) -> Result<()>

Writes the Vlr to the source.

This only write the record_data the header should be written before-hand.

pub fn uses_variable_size_chunks(&self) -> bool

Returns whether the chunk size is variable.

pub fn chunk_size(&self) -> u32

Returns the chunk size, that is, the number of points in each chunk.

This is only valid if Self::uses_variable_size_chunks returns false.

pub fn items(&self) -> &Vec<LazItem>

Returns the items compressed by this VLR

pub fn items_size(&self) -> u64

Returns the sum of the size of the laz_items, which should correspond to the expected size of points (uncompressed).

Trait Implementations

impl Clone for LazVlr

fn clone(&self) -> LazVlr

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for LazVlr

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

Formats the value using the given formatter.

impl PartialEq for LazVlr

fn eq(&self, other: &LazVlr) -> bool

This method tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Eq for LazVlr

impl StructuralPartialEq for LazVlr