georaster

georaster

Wrapper around Georeferenced Rasters like GeoTIFF, NetCDF, JPG, and PNG that provides a standard interface

usage on front-end

let parse_georaster = require("georaster");
fetch(url)
  .then(response => response.arrayBuffer() )
  .then(parse_georaster)
  .then(georaster => {
      console.log("georaster:", georaster);
  });

usage on back-end

let parse_georaster = require("georaster");
fs.readFile("data/GeogToWGS84GeoKey5.tif", (error, data) => {
    parse_georaster(data).then(georaster => {
      console.log("georaster:", georaster);
    })
});

properties

name	description
maxs	array with max value for each band
mins	array with min value for each band
ranges	array with difference between max and min value for each band
no_data_value	no data value
pixelWidth	width of pixel in dimension of coordinate reference system
pixelHeight	height of pixel in dimension of coordinate reference system
projection	equal to EPSG code, like 4326
values	two dimensional array of pixel values
width	number of pixels wide raster is
xmax	xmax in crs, which is often in longitude
xmin	xmin in crs, which is often in longitude
ymin	ymin in crs, which is often in latitude
ymax	ymax in crs, which is often in latitude