private IDictionary <int, Point3D> BuildHeightMap(Point3D point, Axis origianlAxis, Probe probe)
{
var map = new Dictionary <int, Point3D>();
foreach (Axis axis in Enum.GetValues(typeof(Axis)))
{
if (axis != origianlAxis)
{
var projection = _scanData.GetProjection(axis, point[axis]);
var marks = RayCasting(point, projection, probe);
foreach (var mark in marks)
{
map[mark[origianlAxis]] = mark;
}
}
}
return(map);
}
public void Build(Point3D point, Axis axis, IProgress progress)
{
_labelMap().Reset();
_labelMap().ScannerProperties = new VoidScannerProperties()
{
LastScanPoint = ScannerProperties.LastScanPoint,
MaxSkip = ScannerProperties.MaxSkip,
OptimizePlanes = ScannerProperties.OptimizePlanes,
Rays = ScannerProperties.Rays,
Smoothness = ScannerProperties.Smoothness,
thDown = ScannerProperties.thDown,
thUp = ScannerProperties.thUp
};
_crossCheck.Prepare(_labelMap().Id);
var fixProbe = Probe.GetStartingProbe(point, _scanData, _lookupTable, Probe.Method.MinMax, ScannerProperties.thUp, ScannerProperties.thDown);
var heightMap = BuildHeightMap(point, axis, fixProbe);
var maxHeight = heightMap.Keys.Max();
var minHeight = heightMap.Keys.Min();
progress.Min(1);
progress.Max(maxHeight - minHeight);
progress.Reset();
var tasks = new List <Task>();
tasks.Add(Task.Factory.StartNew(() =>
{
Point3D center = point;
//go up
for (var h = point[axis]; h <= maxHeight; h++)
{
var p = new Point3D(center)
{
[axis] = h
};
center = ScanProjection(p, axis, fixProbe);
progress.Tick();
}
}));
tasks.Add(Task.Factory.StartNew(() =>
{
Point3D center = point;
////go down
for (var h = point[axis] - 1; h >= minHeight; h--)
{
var p = new Point3D(center)
{
[axis] = h
};
center = ScanProjection(p, axis, fixProbe);
progress.Tick();
}
}));
Task.WaitAll(tasks.ToArray());
if (ScannerProperties.OptimizePlanes)
{
RemoveSharpEdges();
}
Helpers.CalculateVolume(_labelMap(), _scanData);
_labelMap().CalculateCrop();
_labelMap().FireUpdate();
Task.Factory.StartNew(GC.Collect);
}
private IEnumerable <Point3D> RayCasting(Point3D point, Projection projection, Probe probe)
{
var res = new List <Point3D>();
if (projection.Empty)
{
return(res);
}
var scalarPoint = point.To2D(projection.Axis);
var rayOffset = Math.PI * 2 / ScannerProperties.Rays;
for (int r = 0; r < ScannerProperties.Rays; r++)
{
var angle = r * rayOffset;
var p2d = Cast(scalarPoint, angle, projection, probe);
var p3d = p2d.To3D(projection.Axis, point[projection.Axis]);
p3d.Index = r;
res.Add(p3d);
}
return(res);
}