@gisatcz/deckgl-geolib
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Class allows using CogTiff files with Deck.gl TileLayer.
Provides extra functionality for CogTiff files
async initializeCog(url : string)- returns a cog from a given URL and initializes object variables
async getTile(x: number, y: number, z: number) - returns a promise, when resolved returns a tile. x, y, z are coordinates in tile grid
getTileSize(CogTiff) - returns number containing the width of a single tile
getZoomRange(cog:CogTiff) - returns [minZoom, maxZoom]
getBoundsAsLatLon(cog:CogTiff) - returns image bounds as [left, bottom, right, top]
getOriginAsLatLon(cog:CogTiff)- returns origin of COG as [x, y]
getImageTileIndex(img:CogTiffImage) - returns index of an image from COG in tile system as[x, y, z]
getResolutionFromZoomLevel- returns number in meters per pixel
getZoomLevelFromResolution(tileSize: number, resolution: number) returns number zoom level calculated from resolution (the size of one pixel in meters) and tileSize (width of a tile)
getLatLon - returns [latitude, longitude] from offset in meters
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We found that @gisatcz/deckgl-geolib demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 5 open source maintainers collaborating on the project.
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