Struct VrtReader 

pub struct VrtReader { /* private fields */ }

VRT reader with lazy source loading

Implementations

impl VrtReader

pub fn open<P: AsRef<Path>>(path: P) -> Result<Self>

Opens a VRT file

Errors

Returns an error if the file cannot be opened or parsed

pub fn from_dataset(dataset: VrtDataset) -> Result<Self>

Creates a reader from a VRT dataset

Errors

Returns an error if the dataset is invalid

pub fn width(&self) -> u64

Gets the raster width

pub fn height(&self) -> u64

Gets the raster height

pub fn band_count(&self) -> usize

Gets the number of bands

pub fn geo_transform(&self) -> Option<&GeoTransform>

Gets the GeoTransform

pub fn srs(&self) -> Option<&str>

Gets the spatial reference system

pub fn block_size(&self) -> (u32, u32)

Gets the block size

pub fn metadata(&self) -> RasterMetadata

Gets the metadata

pub fn read_window( &self, band: usize, window: PixelRect, ) -> Result<RasterBuffer>

Reads a band’s data for a specific window

Errors

Returns an error if reading fails

pub fn read_band(&self, band: usize) -> Result<RasterBuffer>

Reads a full band

Errors

Returns an error if reading fails

pub fn clear_cache(&mut self)

Clears the source cache

pub fn cache_size(&self) -> usize

Gets the current cache size