public void ProjTransform_Forward()
{
Projection src = new Projection("+init=epsg:4326");
Projection dest = new Projection("+init=epsg:3857");
ProjTransform tran = new ProjTransform(src, dest);
double x = -122.33517;
double y = 47.63752;
double[] expected = new double[] { -13618288.8305, 6046761.54747 };
//forward
double[] actual = tran.Forward(x, y);
Assert.AreEqual(expected[0], actual[0], .0001);
Assert.AreEqual(expected[1], actual[1], .0001);
}
public void ProjTransform_Backward()
{
Projection src = new Projection("+init=epsg:4326");
Projection dest = new Projection("+init=epsg:3857");
ProjTransform tran = new ProjTransform(src, dest);
double x = -13618288.8305;
double y = 6046761.54747;
double[] expected = new double[] { -122.33517, 47.63752 };
//forward
double[] actual = tran.Backward(x, y);
Assert.AreEqual(expected[0], actual[0], .0001);
Assert.AreEqual(expected[1], actual[1], .0001);
}
public void ProjTransform_NoChange()
{
Projection src = new Projection("+init=epsg:4326");
Projection dest = new Projection("+init=epsg:4326");
ProjTransform tran = new ProjTransform(src, dest);
double[] expected = new double[] { -122.33517, 47.63752 };
//forward
double[] actual = tran.Forward(expected[0], expected[1]);
Assert.AreEqual(expected[0], actual[0]);
Assert.AreEqual(expected[1], actual[1]);
//backward
actual = tran.Backward(expected[0], expected[1]);
Assert.AreEqual(expected[0], actual[0]);
Assert.AreEqual(expected[1], actual[1]);
}
public void ProjTransform_NoChange()
{
Projection src = new Projection("+init=epsg:4326");
Projection dest = new Projection("+init=epsg:4326");
ProjTransform tran = new ProjTransform(src, dest);
double[] expected = new double[] { -122.33517, 47.63752 };
//forward
double[] actual = tran.Forward(expected[0], expected[1]);
Assert.AreEqual(expected[0], actual[0]);
Assert.AreEqual(expected[1], actual[1]);
//backward
actual = tran.Backward(expected[0], expected[1]);
Assert.AreEqual(expected[0], actual[0]);
Assert.AreEqual(expected[1], actual[1]);
}
public void Geometry_ToJSON_ProjTransform()
{
string expected = @"{""type"":""Polygon"",""coordinates"":[[[1,1],[1,2],[2,2],[2,1],[1,1]]]}";
Mapnik.RegisterDatasource(Path.Combine(Mapnik.Paths["InputPlugins"], "csv.input"));
var options = new Dictionary <string, object>()
{
{ "type", "csv" },
{ "inline", "geojson\n'" + expected + "'" }
};
Datasource ds = new Datasource(options);
Feature f = ds.Featureset().Next();
string actual = f.Geometry().ToJSON();
Assert.AreEqual(expected, actual);
Projection src = new Projection("+init=epsg:4326");
Projection dest = new Projection("+init=epsg:3857");
ProjTransform tran = new ProjTransform(src, dest);
string transformed = f.Geometry().ToJSON(tran);
Assert.AreNotEqual(expected, transformed);
}
public void ProjTransform_Init()
{
Projection src = new Projection("+init=epsg:4326");
Projection dest = new Projection("+init=epsg:3857");
ProjTransform tran = new ProjTransform(src, dest);
}
public void ProjTransform_Init()
{
Projection src = new Projection("+init=epsg:4326");
Projection dest = new Projection("+init=epsg:3857");
ProjTransform tran = new ProjTransform(src, dest);
}
public void Geometry_ToJSON_ProjTransform()
{
string expected = @"{""type"":""Polygon"",""coordinates"":[[[1,1],[1,2],[2,2],[2,1],[1,1]]]}";
Mapnik.RegisterDatasource(Path.Combine(Mapnik.Paths["InputPlugins"], "csv.input"));
var options = new Dictionary<string, object>()
{
{ "type","csv"},
{ "inline", "geojson\n'" + expected + "'" }
};
Datasource ds = new Datasource(options);
Feature f = ds.Featureset().Next();
string actual = f.Geometry().ToJSON();
Assert.AreEqual(expected, actual);
Projection src = new Projection("+init=epsg:4326");
Projection dest = new Projection("+init=epsg:3857");
ProjTransform tran = new ProjTransform(src, dest);
string transformed = f.Geometry().ToJSON(tran);
Assert.AreNotEqual(expected, transformed);
}
