GeoTrellis quickstart

build.sbt

val scala213 = "2.13.14"

name := "geotrellis-hdfs-example"
version := "0.1.0-SNAPSHOT"
scalaVersion := scala213
organization := "com.pomadchin"
scalacOptions ++= Seq(
  "-deprecation",
  "-unchecked",
  "-language:implicitConversions",
  "-language:reflectiveCalls",
  "-language:higherKinds",
  "-language:postfixOps",
  "-language:existentials",
  "-feature"
)

resolvers ++= Resolver.sonatypeOssRepos("releases") ++ Resolver.sonatypeOssRepos("snapshots")

libraryDependencies ++= Seq(
  "org.apache.spark" %% "spark-core" % "3.5.1",
  "org.apache.hadoop" % "hadoop-client" % "3.3.6",
  "org.locationtech.geotrellis" %% "geotrellis-spark" % "3.7.1"
)

Main.scala

package com.pomadchin

import geotrellis.raster.RasterSource
import geotrellis.vector.Extent

object Main {
  // https://github.com/locationtech/geotrellis/blob/master/raster/data/one-month-tiles-tiff/test-200506000000_0_1.tiff
  // ./bin/hadoop fs -copyFromLocal ~/Downloads/test-200506000000_0_1.tiff /test-200506000000_0_1.tiff
  def main(args: Array[String]): Unit =
    RasterSource("hdfs://localhost:9000/test-200506000000_0_1.tiff")
      .read(Extent(-120, 45, -116, 49))
      .foreach(println)
}