public override void Calculate(TerrainModel model, MeshGeometry3D mesh)
{
var texcoords = new PointCollection();
foreach (var p in mesh.Positions)
{
double x = p.X + model.Offset.X;
double y = p.Y + model.Offset.Y;
double u = (x - Left) / (Right - Left);
double v = (y - Top) / (Bottom - Top);
texcoords.Add(new Point(u, v));
}
TextureCoordinates = texcoords;
}
public void LoadFromData(double[] elevations, int width, double left, double right, double top, double bottom)
{
var r = new TerrainModel();
r.ElevationRate = ElevationRate;
r.LoadFromData(elevations, width, left, right, top, bottom);
switch (Texture)
{
case TextureType.Elevation:
r.Texture = new ElevationTexture(Brush, 8);
break;
case TextureType.Slope:
r.Texture = new SlopeTexture(Brush, 8);
break;
}
visualChild.Content = r.CreateModel(2);
}
public override void Calculate(TerrainModel model, MeshGeometry3D mesh)
{
var normals = MeshGeometryHelper.CalculateNormals(mesh);
var texcoords = new PointCollection();
for (int i = 0; i < normals.Count; i++)
{
double slopedir = Math.Atan2(normals[i].Y, normals[i].X) * 180 / Math.PI;
if (slopedir < 0)
{
slopedir += 360;
}
double u = slopedir / 360;
texcoords.Add(new Point(u, u));
}
TextureCoordinates = texcoords;
Material = MaterialHelper.CreateMaterial(Brush);
}
public void UpdateModel()
{
var r = new TerrainModel();
r.ElevationRate = ElevationRate;
r.Load(Source);
switch (Texture)
{
case TextureType.Elevation:
r.Texture = new ElevationTexture(Brush, 8);
break;
case TextureType.Slope:
r.Texture = new SlopeTexture(Brush, 8);
break;
}
visualChild.Content = r.CreateModel(2);
}
public override void Calculate(TerrainModel model, MeshGeometry3D mesh)
{
var normals = MeshGeometryHelper.CalculateNormals(mesh);
var texcoords = new PointCollection();
var up = new Vector3D(0, 0, 1);
for (int i = 0; i < normals.Count; i++)
{
double slope = Math.Acos(Vector3D.DotProduct(normals[i], up)) * 180 / Math.PI;
double u = slope / 40;
if (u > 1)
{
u = 1;
}
if (u < 0)
{
u = 0;
}
texcoords.Add(new Point(u, u));
}
TextureCoordinates = texcoords;
Material = MaterialHelper.CreateMaterial(Brush);
}
public virtual void Calculate(TerrainModel model, MeshGeometry3D mesh)
{
}