Based on scodec and fs2.
Published for Scala 2.12 and 2.13
libraryDependencies += "works.worace" %% "shp4s-core" % "0.2.1"import works.worace.shp4s.Core
import works.worace.shp4s.Shape
import works.worace.shp4s.Feature
import works.worace.shp4s.DBFValue
val features: Vector[Feature] = Core.readAllSync("./path/to/file.shp")
val feature: Feature = features.head
// Shape geometry -- Point, PolyLine, etc
val shape: Shape = feature.shape
// Properties, from DBF file
val props: Map[String, DBFValue] = feature.propertiesIf you don't want to read the whole file into memory, you can decode it in streaming fashion using fs2
Note that you will need to use some cats-effect based tooling for this (fs2 streams resolve to an IO instance which needs to be evaluated).
import works.worace.shp4s.Core
import works.worace.shp4s.Shape
import works.worace.shp4s.Feature
import cats.effect.IO
val featureStream: fs2.Stream[IO, Feature] = Core.streamShapefile("./path/to/my.shp")import org.locationtech.jts.geom.Geometry
import works.worace.shp4s.Core
import works.worace.shp4s.Shape
import works.worace.shp4s.Feature
import works.worace.shp4s.DBFValue
import works.worace.shp4s.Jts
import works.worace.shp4s.JtsFeature
val features: Vector[Feature] = Core.readAllSync("./path/to/file.shp")
val feature: Feature = features.head
// Convert just the feature's geometry
val geom: Geometry = Jts.shapeToJts(feature.shape)
// Convert feature and pass through properties
val jtsFeat: JtsFeature = Jts.featureToJts(feature)
// JtsFeature(
// geometry=Point (-118.13306035523306 33.85531587901563),
// properties=Map(id -> DBFNumeric(1))
// )Or you can use the provided implicit classes
import org.locationtech.jts.geom.Geometry
import works.worace.shp4s.Core
import works.worace.shp4s.Shape
import works.worace.shp4s.Feature
import works.worace.shp4s.DBFValue
import works.worace.shp4s.JtsFeature
import works.worace.shp4s.Jts.implicits._
val features: Vector[Feature] = Core.readAllSync("./path/to/file.shp")
val feature: Feature = features.head
feature.toJts() // JtsFeature(...)- Run tests with
sbt test - Push Scaladoc to GitHub Pages:
sbt ghpagesPushSite - Run scalafmt:
sbt scalafmtAll
- Set version in
build.sbtto next non-SNAPSHOT - Make sure GPG and sonatype credentials are available --
~/.sbt/sonatype_credentials,$PGP_PASSPHRASE, and appropriate key as specified inbuild.sbt - Run
sbt +publishSigned - Open sonatype staging repository: https://oss.sonatype.org/#stagingRepositories and complete the release
- Check contents (should have a 2.13 and 2.12 version for each module)
- "close" the release, then "release" using sonatype UI options
- Run
git tag vX.Y.Zand push the tag - Set version to
-SNAPSHOTfor next version, commit, and push - Note: I think sbt-ci-release is better than doing this manually and i have used it previously on other projects but could not get it working this time for some reason
:rip:
