public static void GenerateRandomAffineTransformation(PluginProperties pluginProperties)
{
Random rnd = new Random();
var randomDistance = rnd.Next(MinimumDistance, MaximumDistance);
var randomBearing = rnd.Next(MinimumBearing, MaximumBearing);
var startCoordinate = new Coordinate(); // lat & lon = 0
var endCoordinate = GetEndCoordinate(startCoordinate, randomDistance, randomBearing);
pluginProperties.AffineTransformation = AffineTransformationFactory.CreateFromControlVectors(startCoordinate, endCoordinate);
}
void Run(double p0x, double p0y,
double pp0x, double pp0y
)
{
var p0 = new Coordinate(p0x, p0y);
var pp0 = new Coordinate(pp0x, pp0y);
var trans = AffineTransformationFactory.CreateFromControlVectors(
p0, pp0);
var dest = new Coordinate();
AssertEqualPoint(pp0, trans.Transform(p0, dest));
}
public static IGeometry TransformByVectors(IGeometry g, IGeometry control)
{
var nControl = control.NumGeometries;
var src = new Coordinate[nControl];
var dest = new Coordinate[nControl];
for (int i = 0; i < nControl; i++)
{
var contComp = control.GetGeometryN(i);
var pts = contComp.Coordinates;
src[i] = pts[0];
dest[i] = pts[1];
}
var trans = AffineTransformationFactory.CreateFromControlVectors(src, dest);
Console.WriteLine(trans);
return(trans.Transform(g));
}
void Run(double p0x, double p0y,
double p1x, double p1y,
double pp0x, double pp0y,
double pp1x, double pp1y
)
{
Coordinate p0 = new Coordinate(p0x, p0y);
Coordinate p1 = new Coordinate(p1x, p1y);
Coordinate pp0 = new Coordinate(pp0x, pp0y);
Coordinate pp1 = new Coordinate(pp1x, pp1y);
AffineTransformation trans = AffineTransformationFactory.CreateFromControlVectors(
p0, p1,
pp0, pp1);
Coordinate dest = new Coordinate();
AssertEqualPoint(pp0, trans.Transform(p0, dest));
AssertEqualPoint(pp1, trans.Transform(p1, dest));
}
