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 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);
}
