private void CreateContours(double[,] points, double[] contourX, double[] contourY, double[] contourZ, int gridSize, int steps, ContourType contourType)
{
Dictionary <Vector2, List <Vector2> >[] contours = new Dictionary <Vector2, List <Vector2> > [contourZ.Length];
for (int heightCount = 0; heightCount < contourZ.Length; ++heightCount) //Loop through the different Z height segments
{
contours[heightCount] = new Dictionary <Vector2, List <Vector2> >();
}
Conrec.Contour(points, contourX, contourY, contourZ, contours); //Get contours for the points. Returns an array of contours for the different heights.
foreach (Dictionary <Vector2, List <Vector2> > contourList in contours)
{
List <List <Vector2> > contourChains = Chains.Process(contourList);
contourChains = Chains.Simplify(contourChains);
foreach (List <Vector2> chains in contourChains)
{
List <OSMWayND> wayPaths = new List <OSMWayND>();
List <OSMWayTag> wayTags = new List <OSMWayTag>();
foreach (Vector2 node in chains)
{
osmNodes.Add(CreateNode(unindexedNodeOffset++, new Vector3((node.x - gridSize) - ((steps * gridSize) / 2), 0, (node.y - gridSize) - ((steps * gridSize) / 2))));
wayPaths.Add(new OSMWayND {
@ref = (uint)unindexedNodeOffset - 1
});
}
wayPaths.Add(new OSMWayND {
@ref = (uint)(unindexedNodeOffset - chains.Count)
}); //Back to the first chain
switch (contourType)
{
case ContourType.Ground:
wayTags.Add(new OSMWayTag {
k = "natural", v = "coastline"
});
break;
case ContourType.Water:
wayTags.Add(new OSMWayTag {
k = "natural", v = "water"
});
break;
}
osmWays.Add(new OSMWay {
changeset = 50000000, id = (uint)unindexedWayOffset++, timestamp = DateTime.Now, user = "******", nd = wayPaths.ToArray(), tag = wayTags.ToArray(), version = 1
});
}
}
}
