/// <summary>
/// Bake a layered table of Nucleus geometry to Rhino equivalent
/// geometries and layers
/// </summary>
/// <param name="geometryTable"></param>
/// <returns></returns>
public static void BakeAll(GeometryLayerTable geometryTable)
{
foreach (GeometryLayer layer in geometryTable)
{
BakeAll(layer);
}
}
/// <summary>
/// Read a list of ESRI Shapefiles and convert and compile them into a
/// .NUCLEUS geometry layer table. Each separate filePath will form a separate
/// layer in the table.
/// </summary>
/// <param name="filePaths">A list of filepaths of the shapefiles to be read</param>
/// <returns></returns>
public GeometryLayerTable ReadShapeFiles(IList <FilePath> filePaths)
{
var result = new GeometryLayerTable();
foreach (FilePath filePath in filePaths)
{
result.Add(ReadShapefile(filePath));
}
return(result);
}
private void DXFLoadButton_Click(object sender, RoutedEventArgs e)
{
var openDialog = new OpenFileDialog();
openDialog.Title = "Select .DXF file to open";
openDialog.Filter = "AutoCAD DXF File (*.dxf)|*dxf";
if (openDialog.ShowDialog(this) == true)
{
var dxfReader = new DXFReader();
VertexGeometryCollection geometry = dxfReader.ReadDXF(openDialog.FileName);
GeometryLayerTable layers = geometry.Layered();
DXFCanvas.ViewBounds = new BoundingBox(geometry);
DXFCanvas.Layers = layers;
LayerBox.ItemsSource = layers;
}
}
/// <summary>
/// Write the given geometry table to a DXF file.
/// </summary>
/// <param name="filePath"></param>
/// <param name="geometry"></param>
/// <returns></returns>
public bool WriteDXF(FilePath filePath, GeometryLayerTable geometry, bool binary = false)
{
var header = new HeaderVariables();
header.InsUnits = netDxf.Units.DrawingUnits.Meters;
DxfDocument doc = new DxfDocument(header);
foreach (GeometryLayer layer in geometry)
{
Layer dxfLayer = ToDXF.Convert(layer);
doc.Layers.Add(dxfLayer);
foreach (VertexGeometry geo in layer)
{
foreach (EntityObject entity in ToDXF.Convert(geo))
{
entity.Layer = dxfLayer;
doc.AddEntity(entity);
}
}
}
return(doc.Save(filePath, binary));
}
/// <summary>
/// Read a map from a stream
/// </summary>
/// <param name="stream"></param>
/// <param name="originLatLong"></param>
/// <param name="layerNames"></param>
/// <returns></returns>
public GeometryLayerTable ReadMap(Stream stream, AnglePair originLatLong, IList <string> layerNames = null)
{
var result = new GeometryLayerTable();
var source = new XmlOsmStreamSource(stream);
var nodes = new Dictionary <long, OsmSharp.Node>();
var ways = new Dictionary <long, OsmSharp.Way>();
if (layerNames == null)
{
layerNames = new List <string>();
layerNames.Add("Building");
layerNames.Add("Highway");
}
foreach (var element in source)
{
if (element.Id != null)
{
if (element.Type == OsmSharp.OsmGeoType.Node)
{
nodes.Add((long)element.Id, (OsmSharp.Node)element);
}
else if (element.Type == OsmSharp.OsmGeoType.Way)
{
ways.Add((long)element.Id, (OsmSharp.Way)element);
}
//TODO: Relations?
}
}
foreach (var way in ways.Values)
{
var pts = new List <Vector>(way.Nodes.Length);
for (int i = 0; i < way.Nodes.Length; i++)
{
long nodeID = way.Nodes[i];
if (nodes.ContainsKey(nodeID))
{
var node = nodes[nodeID];
pts.Add(node.Position(originLatLong));
}
}
VertexGeometry geometry = null;
if (pts.Count == 2)
{
geometry = new Line(pts[0], pts[1]);
}
else if (pts.Count > 2)
{
geometry = new PolyLine(pts);
//TODO: Areas
}
if (geometry != null)
{
string layerName = "Miscellaneous";
//Assign layer according to keys:
if (way.Tags != null)
{
foreach (string name in layerNames)
{
string lName = name.ToLower();
if (way.Tags.ContainsKey(lName))
{
string value = way.Tags[lName];
if (LayerSeparator != null && !string.IsNullOrWhiteSpace(value) && value != "yes")
{
layerName = name + LayerSeparator + value;
}
else
{
layerName = name;
}
break;
}
}
if (ExtrudeBuildings)
{
if (geometry is Curve && way.Tags.ContainsKey("height"))
{
string heightTag = way.Tags["height"];
heightTag = heightTag.TrimEnd('m').Trim();
double height;
if (double.TryParse(heightTag, out height))
{
// TODO: Deal with tags with different units on the end!
geometry = new Extrusion((Curve)geometry, new Vector(0, 0, height));
}
}
if (geometry is Curve && way.Tags.ContainsKey("building:levels"))
{
// Height not supplied - fall back to storeys:
string levelsTag = way.Tags["building:levels"];
double levels;
if (double.TryParse(levelsTag, out levels))
{
geometry = new Extrusion((Curve)geometry, new Vector(0, 0, levels * StoreyHeight + ByStoreysExtraHeight));
}
}
if (geometry is Curve && DefaultBuildingHeight > 0 && way.Tags.ContainsKey("building"))
{
// No indication of height supplied - fall back to default:
geometry = new Extrusion((Curve)geometry, new Vector(0, 0, DefaultBuildingHeight));
}
}
}
var layer = result.GetOrCreate(layerName);
layer.Add(geometry);
}
}
return(result);
}
