private void AddDataSource(IDataSource2D <double> field, Guid guid)
{
double minT, maxT;
//if (colorMapControl.PaletteType == PaletteType.FromMaxMin)
//{
// minT = colorMapControl.MinValue;
// maxT = colorMapControl.MaxValue;
//}
//else
//{
MathHelper.GetMaxMin(field.Data, out maxT, out minT);
//colorMapControl.MinValue = minT;
//colorMapControl.MaxValue = maxT;
//}
double k = 1.0 / (maxT - minT);
List <Vertex.PositionColored> vertices = new List <Vertex.PositionColored>();
double altitude = layerHelper.GetNewAltitude();
for (int i = 0; i < field.Width; i++)
{
for (int j = 0; j < field.Height; j++)
{
float x = (float)field.Grid[i, j].X;
float y = (float)field.Grid[i, j].Y;
LatLonAlt position = LatLonAlt.CreateUsingDegrees(y, x, altitude);
Vector3F vec = new Vector3F(position.GetVector());
System.Windows.Media.Color color = palette.GetColor((field.Data[i, j] - minT) * k);
vertices.Add(new Vertex.PositionColored(vec, Color.FromArgb(opacity, color.R, color.G, color.B).ToArgb()));
}
}
MeshGraphicsObject <Vertex.PositionColored, ushort> mesh = new MeshGraphicsObject <Vertex.PositionColored, ushort>(
GraphicsBufferUsage.Static,
GraphicsBufferUsage.Static,
vertices.Count,
vertices.Count * 6,
true);
Material material = new Material {
AmbientColor = Color.White, DiffuseColor = Color.White, SpecularColor = Color.White
};
int id = mesh.Materials.Add(material);
mesh.Vertices.AddData(vertices.ToArray());
for (int i = 0; i < field.Width - 1; i++)
{
for (int j = 0; j < field.Height - 1; j++)
{
mesh.Indices.AddData(
(ushort)(i * field.Height + j),
(ushort)(i * field.Height + j + 1),
(ushort)((i + 1) * field.Height + j),
PrimitiveType.TriangleList, id);
mesh.Indices.AddData(
(ushort)(i * field.Height + j + 1),
(ushort)((i + 1) * field.Height + j + 1),
(ushort)((i + 1) * field.Height + j),
PrimitiveType.TriangleList, id);
}
}
mesh.RenderState.Lighting.Enabled = false;
mesh.RenderState.Alpha.Enabled = true;
mesh.RenderState.Alpha.AlphaTestEnable = true;
mesh.RenderState.Alpha.SourceBlend = Blend.BothInvSourceAlpha;
mesh.RenderState.Alpha.DestinationBlend = Blend.BothInvSourceAlpha;
mesh.RenderState.Cull.Enabled = false;
meshLayers.Add(new MeshLayer {
LayerAltitude = altitude, Mesh = mesh, Guid = guid, IsVisible = true, ScalarField = field
});
}