Exemplo n.º 1
0
        public void TestCopenhagen()
        {
            var ctx = new ProjContext();
            var src = CoordinateReferenceSystem.Create("EPSG:4326", ctx);
            var dst = CoordinateReferenceSystem.Create(/*"+proj=utm +zone=32 +datum=WGS84" or */ "EPSG:32632", ctx);

            Assert.AreEqual("WGS 84", src.Name);
            Assert.AreEqual("WGS 84 / UTM zone 32N", dst.Name);

            var t = CoordinateTransform.Create(src, dst, ctx);

            var t2 = CoordinateTransform.Create(src.WithAxisNormalized(), dst.WithAxisNormalized(), ctx);


            var p = t2.ApplyReversed(new double[] { 12, 55 });

            Trace.WriteLine($"Easting: {p[0]}, Northing: {p[1]}");

            var r = t2.ApplyReversed(p);

            Trace.WriteLine($"Longitude: {r[0]}, Latitude: {r[1]}");


            var tt = CoordinateTransform.Create(src, src, null);

            Assert.AreEqual("Null geographic offset from WGS 84 to WGS 84", tt.Name);

            var ss = ctx.Create("+proj=utm +zone=32 +datum=WGS84 +ellps=clrk66");
        }
Exemplo n.º 2
0
        public void CreateAndDestroyContext()
        {
            using (var pc = new ProjContext())
            {
                using (var crs = pc.Create("+proj=merc +ellps=clrk66 +lat_ts=33"))
                {
                    Assert.AreEqual("PROJ-based coordinate operation", crs.Name);

                    if (crs is CoordinateTransform cob)
                    {
                        Assert.IsNull(crs.Identifiers);

                        var src = cob.SourceCRS;
                        var dst = cob.TargetCRS;

                        Assert.IsNull(src);
                        Assert.IsNull(dst);

                        //Assert.AreEqual(1, crs.Identifiers.Count);
                    }
                    else
                    {
                        Assert.Fail();
                    }

                    Assert.AreEqual(ProjType.OtherCoordinateTransform, crs.Type);
                    string expected =
                        @"{
  ""$schema"": ""https://proj.org/schemas/v0.2/projjson.schema.json"",
  ""type"": ""Conversion"",
  ""name"": ""PROJ-based coordinate operation"",
  ""method"": {
    ""name"": ""PROJ-based operation method: +proj=merc +ellps=clrk66 +lat_ts=33""
  }
}".Replace("\r", "");
                    Assert.AreEqual(expected, crs.AsProjJson());
                    Assert.AreEqual("proj=merc ellps=clrk66 lat_ts=33", crs.Definition);
                    Assert.AreEqual("+proj=merc +ellps=clrk66 +lat_ts=33", crs.AsProjString());
                }

                using (var crs = pc.Create(new string[] { "proj=merc", "ellps=clrk66", "lat_ts=33" }))
                {
                    Assert.AreEqual("PROJ-based coordinate operation", crs.Name);
                }
            }
        }