public static Dictionary <OSMTag, List <Brep> > BuildingBrepsFromCoords(ref RequestHandler result, bool outputHeighted)
{
var geometryResult = new Dictionary <OSMTag, List <Brep> >();
var unitScale = RhinoMath.UnitScale(UnitSystem.Meters, RhinoDoc.ActiveDoc.ModelUnitSystem); // OSM conversion assumes meters
var tolerance = RhinoDoc.ActiveDoc.ModelAbsoluteTolerance;
Coord lengthPerDegree = GetDegreesPerAxis(result.MinBounds, result.MaxBounds, unitScale);
foreach (var entry in result.FoundData)
{
geometryResult[entry.Key] = new List <Brep>();
for (int i = entry.Value.Count - 1; i >= 0; i--)
{
var outlinePoints = new List <Point3d>();
foreach (var coord in entry.Value[i].Coords)
{
outlinePoints.Add(GetPointFromLatLong(coord, lengthPerDegree, result.MinBounds));
}
var outline = new PolylineCurve(outlinePoints); // Creating a polylinecurve from scratch makes invalid geometry
if (!outline.IsClosed)
{
if (outline.IsClosable(ALLOWABLE_CLOSURE)) // Force-close the curve
{
outline.MakeClosed(ALLOWABLE_CLOSURE);
}
else // Skip this curve as no valid Brep can be made
{
entry.Value.RemoveAt(i);
continue;
}
}
var height = GetBuildingHeights.ParseHeight(entry.Value[i].Tags, unitScale);
if (outputHeighted && height > 0.0) // Output heighted buildings
{
var toHeight = new Vector3d(0, 0, height);
var envelope = Surface.CreateExtrusion(outline, toHeight);
var floor = Brep.CreatePlanarBreps(outline, tolerance);
outline.Translate(toHeight);
var roof = Brep.CreatePlanarBreps(outline, tolerance);
var volume = Brep.JoinBreps(new Brep[] { floor[0], envelope.ToBrep(), roof[0] }, tolerance);
geometryResult[entry.Key].Add(volume[0]);
}
else if (!outputHeighted && height == 0.0) // Output unheighted buildings
{
var builtSurface = Brep.CreatePlanarBreps(outline, tolerance);
if (builtSurface != null && builtSurface.Length > 0)
{
geometryResult[entry.Key].Add(builtSurface[0]);
}
}
else // Item wasn't matched, so should be removed from result so its metadata is not output
{
entry.Value.RemoveAt(i);
}
}
geometryResult[entry.Key].Reverse(); // We iterated in reverse order, so swap list back to right direction
}
return(geometryResult);
}