private void Build3DTopology(VisualTopoModel model, float zFactor)
{
List <List <GeoPointRays> > branches = new List <List <GeoPointRays> >();
GraphTraversal_Lines(model.Graph.Root, branches, null, Vector3.Zero, 0, zFactor);
model.Topology3D = branches;
}
public void Create3DTriangulation(VisualTopoModel model)
{
// ========================
// 3D model
Build3DTopology_Triangulation(model, ColorStrategy.CreateFromModel);
//Build3DTopology_Triangulation(model, ColorStrategy.CreateDepthGradient(model));
}
private void CreateGraph(VisualTopoModel model)
{
Dictionary <string, Node <VisualTopoData> > nodesByName = new Dictionary <string, Node <VisualTopoData> >();
foreach (var data in model.Sets.SelectMany(s => s.Data))
{
if (data.Entree == model.Entree && model.Graph.Root == null) // Warning! Entrance may not be the start node
{
data.IsRoot = true;
var node = model.Graph.CreateRoot(data, data.Entree);
nodesByName[node.Key] = node;
}
if (data.Entree != data.Sortie)
{
var node = model.Graph.CreateNode(data, data.Sortie);
if (!nodesByName.ContainsKey(data.Entree))
{
// Début graphe disjoint
_logger.LogWarning($"Disconnected node {data.Entree} found");
node.Model.IsDisconnected = true;
nodesByName[data.Entree] = node;
}
nodesByName[data.Entree].AddArc(node, data.Longueur);
nodesByName[node.Key] = node;
}
}
}
private VisualTopoModel ParseHeader(VisualTopoModel model, StreamReader sr)
{
sr.ReadUntil(string.IsNullOrWhiteSpace);
var headerLines = sr.ReadUntil(string.IsNullOrWhiteSpace)
.Where(s => !string.IsNullOrWhiteSpace(s))
.Select(s => s.Split(new[] { ' ' }, 2, StringSplitOptions.RemoveEmptyEntries))
.ToDictionary(s => s[0], s => s[1]);
if (headerLines.TryGetValue("Trou", out string trou))
{
ParseEntryHeader(model, trou);
}
if (headerLines.TryGetValue("Club", out string club))
{
model.Author = club;
}
if (headerLines.TryGetValue("Entree", out string entree))
{
model.Entree = entree;
}
if (headerLines.TryGetValue("Toporobot", out string toporobot))
{
model.TopoRobot = toporobot == "1";
}
if (headerLines.TryGetValue("Couleur", out string couleur))
{
model.DefaultColor = ParseColor(couleur);
}
return(model);
}
// Useful to debug : output graph as node names
public List <List <string> > GetBranchesNodeNames(VisualTopoModel model)
{
List <List <string> > branches = new List <List <string> >();
GetBranches(model.Graph.Root, branches, null, n => n.Sortie);
return(branches);
}
private VisualTopoModel PreAnalyzeFile(VisualTopoModel model, float zFactor = 1f)
{
// ========================
// Graph
CreateGraph(model);
// ========================
// 3D model - do not remove
Build3DTopology(model, zFactor);
return(model);
}
private void ParseEntryHeader(VisualTopoModel model, string entry)
{
var data = entry.Split(',');
model.Name = data[0];
model.EntryPointProjectionCode = data[4];
model.EntryPoint = convers3Reprojection.CreateGeoPoint(inputProjectionCode: model.EntryPointProjectionCode, outputSrid: ModelDefaultSRID
, x: double.Parse(data[1], CultureInfo.InvariantCulture)
, y: double.Parse(data[2], CultureInfo.InvariantCulture)
, z: double.Parse(data[3], CultureInfo.InvariantCulture));
model.SRID = ModelDefaultSRID;
}
private void Build3DTopology_Triangulation(VisualTopoModel model, IColorCalculator colorFunc)
{
// Build color function
float minElevation = model.Graph.AllNodes.Min(n => n.Model.VectorLocal.Z);
// Generate triangulation
//
TriangulationList <Vector3> markersTriangulation = new TriangulationList <Vector3>();
TriangulationList <Vector3> triangulation = GraphTraversal_Triangulation(model, null, ref markersTriangulation, model.Graph.Root, colorFunc);
model.TriangulationFull3D = triangulation + markersTriangulation;
}
private VisualTopoModel ParseFile(string vtopoFile, Encoding encoding, bool decimalDegrees, bool ignoreRadialBeams)
{
VisualTopoModel model = null;
// ========================
// Parsing
using (StreamReader sr = new StreamReader(vtopoFile, encoding))
{
model = ParseFile(sr, decimalDegrees, ignoreRadialBeams);
}
return(model);
}
private VisualTopoModel ParseSet(VisualTopoModel model, StreamReader sr, bool decimalDegrees, bool ignoreRadialBeams)
{
VisualTopoSet set = new VisualTopoSet();
string setHeader = sr.ReadLine();
if (setHeader.StartsWith("[Configuration "))
{
sr.ReadToEnd(); // skip until end of stream
return(model);
}
// Set header
var data = setHeader.Split(new[] { ';' }, StringSplitOptions.RemoveEmptyEntries);
var headerSlots = data[0].Split(new[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
set.Color = this.ParseColor(headerSlots);
set.Name = data.Length > 1 ? data[1].Trim() : string.Empty;
sr.Skip(1);
var dataLine = sr.ReadLine();
do
{
VisualTopoData topoData = new VisualTopoData();
var parts = dataLine.Split(';');
if (parts.Length > 1)
{
topoData.Comment = parts[1].Trim();
}
var slots = parts[0].Split(new[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
//Debug.Assert(slots.Length == 13);
// Parse data line
topoData = this.ParseData(topoData, slots, decimalDegrees, ignoreRadialBeams);
if (topoData != null)
{
set.Add(topoData);
}
dataLine = sr.ReadLine();
}while (!string.IsNullOrWhiteSpace(dataLine));
model.Sets.Add(set);
return(model);
}
// Elevations
public void ComputeCavityElevations(VisualTopoModel model, DEMDataSet dataset, float zFactor = 1)
{
var entryPoint4326 = model.EntryPoint.ReprojectTo(model.SRID, dataset.SRID);
model.EntryPoint.Elevation = zFactor * _elevationService.GetPointElevation(entryPoint4326, dataset).Elevation ?? 0;
foreach (var set in model.Sets.Where(s => s.Data.First().GeoPointLocal != null))
{
VisualTopoData setStartData = set.Data.First(d => d.GeoPointLocal != null);
GeoPoint dataPoint = setStartData.GeoPointLocal.Clone();
dataPoint.Longitude += model.EntryPoint.Longitude;
dataPoint.Latitude += model.EntryPoint.Latitude;
var setStartPointDem = dataPoint.ReprojectTo(model.SRID, dataset.SRID);
setStartData.TerrainElevationAbove = zFactor * _elevationService.GetPointElevation(setStartPointDem, dataset).Elevation ?? 0;
}
}
private VisualTopoModel ParseFile(StreamReader vtopoFileReader, bool decimalDegrees, bool ignoreRadialBeams)
{
VisualTopoModel model = new VisualTopoModel();
// ========================
// Parsing
model = this.ParseHeader(model, vtopoFileReader);
while (!vtopoFileReader.EndOfStream)
{
model = this.ParseSet(model, vtopoFileReader, decimalDegrees, ignoreRadialBeams);
}
return(model);
}
public static MemoryStream ExportToCsv(this VisualTopoModel model, string separator)
{
MemoryStream ms = new MemoryStream();
using (StreamWriter sw = new StreamWriter(ms))
{
sw.WriteLine(string.Join(separator, headers));
foreach (var set in model.Sets)
{
sw.WriteLine(string.Join(separator, GetSectionHeader(set)));
foreach (var data in set.Data)
{
sw.WriteLine(string.Join(separator,
data.Entree,
data.Sortie,
data.Longueur,
data.Cap,
data.Pente,
data.CutSection.left,
data.CutSection.right,
data.CutSection.up,
data.CutSection.down,
data.VectorLocal.X,
data.VectorLocal.Y,
data.VectorLocal.Z,
// Latitude, Long, X,Y
data.GeoPointGlobal_DEMProjection?.Latitude,
data.GeoPointGlobal_DEMProjection?.Longitude,
data.GeoPointGlobal_ProjectedCoords?.Longitude,
data.GeoPointGlobal_ProjectedCoords?.Latitude,
data.DistanceFromEntry,
data.VectorLocal.Z,
data.TerrainElevationAbove,
data.TerrainElevationAbove - (model.EntryPoint.Elevation ?? 0) - data.VectorLocal.Z,
// comment row (red for disconnected node)
data.IsDisconnected ? string.Concat("[DISCONNECTED] ", data.Comment) : data.Comment));
}
}
}
return(ms);
}
private TriangulationList <Vector3> GraphTraversal_Triangulation(VisualTopoModel visualTopoModel, TriangulationList <Vector3> triangulation, ref TriangulationList <Vector3> markersTriangulation, Node <VisualTopoData> node, IColorCalculator colorFunc)
{
triangulation = triangulation ?? new TriangulationList <Vector3>();
var model = node.Model;
if (model.IsSectionStart && triangulation.NumPositions > 0)
{
// Cylinder height = point depth + (terrain height above - entry Z)
float cylinderHeight = -model.VectorLocal.Z + (float)(model.TerrainElevationAbove - visualTopoModel.EntryPoint.Elevation.Value);
markersTriangulation += _meshService.CreateCylinder(model.VectorLocal, 0.2f, cylinderHeight, model.Set.Color);
//var surfacePos = new Vector3(model.GlobalVector.X, model.GlobalVector.Y, (float)model.TerrainElevationAbove);
float coneHeight = 10;
markersTriangulation += _meshService.CreateCone(model.VectorLocal, 5, coneHeight, model.Set.Color)
//.Translate(Vector3.UnitZ * -coneHeight / 2F)
.Transform(Matrix4x4.CreateRotationY((float)Math.PI, new Vector3(model.VectorLocal.X, model.VectorLocal.Y, model.VectorLocal.Z + coneHeight / 2f)))
//.Translate(Vector3.UnitZ * coneHeight / 2F)
.Translate(Vector3.UnitZ * cylinderHeight);
}
if (node.Arcs.Count == 0) // leaf
{
Debug.Assert(triangulation.NumPositions > 0, "Triangulation should not be empty");
// Make a rectangle perpendicual to direction centered on point(should be centered at human eye(y = 2m)
triangulation = AddCorridorRectangleSection(triangulation, model, null, triangulation.NumPositions - 4, colorFunc);
}
else
{
int posIndex = triangulation.NumPositions - 4;
foreach (var arc in node.Arcs)
{
// Make a rectangle perpendicual to direction centered on point(should be centered at human eye(y = 2m)
triangulation = AddCorridorRectangleSection(triangulation, model, arc.Child.Model, posIndex, colorFunc);
posIndex = triangulation.NumPositions - 4;
triangulation = GraphTraversal_Triangulation(visualTopoModel, triangulation, ref markersTriangulation, arc.Child, colorFunc);
}
}
return(triangulation);
}
public void ComputeFullCavityElevations(VisualTopoModel model, DEMDataSet dataset, float zFactor = 1)
{
var entryPoint4326 = model.EntryPoint.ReprojectTo(model.SRID, dataset.SRID);
model.EntryPoint.Elevation = zFactor * _elevationService.GetPointElevation(entryPoint4326, dataset).Elevation ?? 0;
foreach (var data in model.Graph.AllNodes.Where(n => n.Model.GeoPointLocal != null).Select(n => n.Model))
{
GeoPoint dataPoint = data.GeoPointLocal.Clone();
dataPoint.Longitude += model.EntryPoint.Longitude;
dataPoint.Latitude += model.EntryPoint.Latitude;
var dataPointDem = dataPoint.ReprojectTo(model.SRID, dataset.SRID);
data.GeoPointGlobal_ProjectedCoords = dataPoint;
data.GeoPointGlobal_DEMProjection = dataPointDem;
data.TerrainElevationAbove = zFactor * _elevationService.GetPointElevation(dataPointDem, dataset).Elevation ?? 0;
data.Depth = data.TerrainElevationAbove - model.EntryPoint.Elevation.Value - data.VectorLocal.Z;
}
}
public static MemoryStream ExportToExcel(this VisualTopoModel model, bool autoFitColumns = true)
{
using (var wb = new XLWorkbook(XLEventTracking.Disabled))
{
var ws = wb.Worksheets.Add($"Cavité entrée Z={model.EntryPoint.Elevation:N1} m");
int ro = 1;
int co = 0;
foreach (string header in headers)
{
ws.Cell(ro, ++co).Value = header;
}
var row = ws.Row(ro);
row.Style.Fill.BackgroundColor = XLColor.GreenYellow;
row.Style.Font.Bold = true;
foreach (var set in model.Sets)
{
ro++;
co = 0;
foreach (string header in GetSectionHeader(set))
{
ws.Cell(ro, ++co).Value = header;
}
var setRow = ws.Row(ro);
setRow.Style.Fill.BackgroundColor = XLColor.GreenYellow;
setRow.Style.Font.Bold = true;
foreach (var data in set.Data)
{
ro++;
co = 0;
ws.Cell(ro, ++co).Value = string.Concat("'", data.Entree);
ws.Cell(ro, ++co).Value = string.Concat("'", data.Sortie);
ws.Cell(ro, ++co).Value = data.Longueur; ws.Cell(ro, co).Style.NumberFormat.NumberFormatId = 2;
ws.Cell(ro, ++co).Value = data.Cap; ws.Cell(ro, co).Style.NumberFormat.NumberFormatId = 2;
ws.Cell(ro, ++co).Value = data.Pente; ws.Cell(ro, co).Style.NumberFormat.NumberFormatId = 2;
ws.Cell(ro, ++co).Value = data.CutSection.left; ws.Cell(ro, co).Style.NumberFormat.NumberFormatId = 2;
ws.Cell(ro, ++co).Value = data.CutSection.right; ws.Cell(ro, co).Style.NumberFormat.NumberFormatId = 2;
ws.Cell(ro, ++co).Value = data.CutSection.up; ws.Cell(ro, co).Style.NumberFormat.NumberFormatId = 2;
ws.Cell(ro, ++co).Value = data.CutSection.down; ws.Cell(ro, co).Style.NumberFormat.NumberFormatId = 2;
ws.Cell(ro, ++co).Value = data.VectorLocal.X; ws.Cell(ro, co).Style.NumberFormat.NumberFormatId = 2;
ws.Cell(ro, ++co).Value = data.VectorLocal.Y; ws.Cell(ro, co).Style.NumberFormat.NumberFormatId = 2;
ws.Cell(ro, ++co).Value = data.VectorLocal.Z; ws.Cell(ro, co).Style.NumberFormat.NumberFormatId = 2;
// Latitude, Long, X,Y
ws.Cell(ro, ++co).Value = data.GeoPointGlobal_DEMProjection?.Latitude; // ws.Cell(ro, co).Style.NumberFormat.NumberFormatId = 2;
ws.Cell(ro, ++co).Value = data.GeoPointGlobal_DEMProjection?.Longitude; //ws.Cell(ro, co).Style.NumberFormat.NumberFormatId = 2;
ws.Cell(ro, ++co).Value = data.GeoPointGlobal_ProjectedCoords?.Longitude; ws.Cell(ro, co).Style.NumberFormat.NumberFormatId = 2;
ws.Cell(ro, ++co).Value = data.GeoPointGlobal_ProjectedCoords?.Latitude; ws.Cell(ro, co).Style.NumberFormat.NumberFormatId = 2;
ws.Cell(ro, ++co).Value = data.DistanceFromEntry; ws.Cell(ro, co).Style.NumberFormat.NumberFormatId = 2;
ws.Cell(ro, ++co).Value = data.VectorLocal.Z; ws.Cell(ro, co).Style.NumberFormat.NumberFormatId = 2;
ws.Cell(ro, ++co).Value = data.TerrainElevationAbove; ws.Cell(ro, co).Style.NumberFormat.NumberFormatId = 2;
var formula = string.Format(CultureInfo.InvariantCulture, "=RC[-1]-{0:N2}-RC[-2]", model.EntryPoint.Elevation ?? 0);
ws.Cell(ro, ++co).FormulaR1C1 = formula; ws.Cell(ro, co).Style.NumberFormat.NumberFormatId = 2;
// comment row (red for disconnected node)
if (data.IsDisconnected)
{
var disconnectedRow = ws.Row(ro);
setRow.Style.Fill.BackgroundColor = XLColor.Red;
disconnectedRow.Style.Fill.BackgroundColor = XLColor.Red;
ws.Cell(ro, ++co).Value = string.Concat("[DISCONNECTED] ", data.Comment);
}
else
{
ws.Cell(ro, ++co).Value = data.Comment;
}
}
}
if (autoFitColumns)
{
ws.Columns().AdjustToContents();
}
wb.CalculateMode = XLCalculateMode.Auto;
MemoryStream ms = new MemoryStream();
wb.SaveAs(ms, validate: true, evaluateFormulae: true);
ms.Seek(0, SeekOrigin.Begin);
return(ms);
}
}
public static IColorCalculator CreateDepthGradient(VisualTopoModel model) => new ColorFromDepthCalculation(model);
public ColorFromDepthCalculation(VisualTopoModel model)
{
_maxDepth = model.Graph.AllNodes.Min(n => n.Model.VectorLocal.Z);
_colorConverter = new ColorSpaceConverter();
}
public MemoryStream ExportToCsv(VisualTopoModel model, string separator)
{
return(model.ExportToCsv(separator));
}
public MemoryStream ExportToExcel(VisualTopoModel model, bool autoFitColumns = true)
{
return(model.ExportToExcel(autoFitColumns));
}