private void DoTransform(Proj4Projection srcPrj, Proj4Projection desPrj, ShapePoint[] points)
{
double[] xs = new double[points.Length];
double[] ys = new double[points.Length];
for (int i = 0; i < points.Length; i++)
{
xs[i] = points[i].X;
ys[i] = points[i].Y;
}
Proj4Projection.Transform(srcPrj, desPrj, xs, ys);
//
for (int i = 0; i < points.Length; i++)
{
points[i].X = xs[i];
points[i].Y = ys[i];
}
}
/// <summary>
/// Transform coordinates from one projection system to another
/// </summary>
/// <param name="src">The source projection</param>
/// <param name="dst">The destination projection</param>
/// <param name="x">The "X" coordinate values.</param>
/// <param name="y">The "Y" coordinate values.</param>
/// <exception cref="System.ApplicationException">Thrown when the projection is
/// not initialized or the transformation failed. The message will indicate the error.
/// </exception>
/// <exception cref="System.ArgumentException">
/// May be thrown for any of the following reasons:
/// <list type="bullet">
/// <item>The "x" array is null</item>
/// <item>The "y" array is null</item>
/// <item>The length of the x and y arrays don't match</item>
/// </list>
/// </exception>
public static void Transform(Proj4Projection src, Proj4Projection dst,
double[] x, double[] y)
{
Proj4Projection.Transform(src, dst, x, y, null);
}
public void InverTransform(double[] xs, double[] ys)
{
Proj4Projection.Transform(_dstProjection, _srcProjection, xs, ys);
}
/// <summary>
/// Transform coordinates from one projection system to another
/// </summary>
/// <param name="dst">The destination projection</param>
/// <param name="x">The "X" coordinate values.</param>
/// <param name="y">The "Y" coordinate values.</param>
/// <param name="z">The "Z" coordinate values.</param>
/// <exception cref="System.ApplicationException">Thrown when the projection is
/// not initialized or the transformation failed. The message will indicate the error.
/// </exception>
/// <exception cref="System.ArgumentException">
/// May be thrown for any of the following reasons:
/// <list type="bullet">
/// <item>The "x" array is null</item>
/// <item>The "y" array is null</item>
/// <item>The length of the x, y and z (if not null) arrays don't match</item>
/// </list>
/// </exception>
public void Transform(Proj4Projection dst, double[] x, double[] y, double[] z)
{
Proj4Projection.Transform(this, dst, x, y, z);
}