private MarkGeometryPoint ReadPointAdvance(AdvancedLineStreamReader readerIn)
{
var result = readerIn.FindConsecutiveLines(
MatchDoubleParams,
MatchDouble
);
if (result.Success)
{
double X = double.Parse(MatchDouble.Match(result.LineB).Value);
result = readerIn.FindConsecutiveLines(
MatchDoubleParams,
MatchDouble
);
double Y = double.Parse(MatchDouble.Match(result.LineB).Value);
double Z = 0;
if (MatchDoubleParams.IsMatch(readerIn.PeekLine()))
{
result = readerIn.FindConsecutiveLines(
MatchDoubleParams,
MatchDouble
);
Z = double.Parse(MatchDouble.Match(result.LineB).Value);
}
return(new MarkGeometryPoint(X, Y, Z));
}
return(null);
}
private MarkGeometryPoint ReadPointFast(AdvancedLineStreamReader readerIn)
{
// read doble params 10, 11, etc
readerIn.FindLine(MatchDoubleParams);
double X = double.Parse(readerIn.ReadLine());
// read doble params 20, 21, etc
readerIn.ReadLine();
double Y = double.Parse(readerIn.ReadLine());
double Z = 0;
if (MatchDoubleLastParams.IsMatch(readerIn.PeekLine()))
{
// read doble params 30, 31, etc
readerIn.ReadLine();
Z = double.Parse(readerIn.ReadLine());
}
return(new MarkGeometryPoint(X, Y, Z));
}
private (string LayerName, List <IMarkGeometry> Path) ParseLWPolyline(AdvancedLineStreamReader readerIn)
{
var(success, layerName) = ReadLayerName(readerIn, MatchLWPolylineEntity);
if (success)
{
var result1 = readerIn.FindConsecutiveLines(
MatchSubClassMarker,
MatchLWPolylineEntity
);
if (!result1.Success)
{
return(null, null);
}
}
readerIn.ReadLine(); // consume number of vertices 90
int numberOfVertices = int.Parse(readerIn.ReadLine());
int flag = ReadInteger(readerIn, "70");
var bulges = new List <double>(numberOfVertices);
var points = new List <MarkGeometryPoint>(numberOfVertices - 1);
for (int i = 0; i < numberOfVertices; i++)
{
points.Add(ReadPointFast2D(readerIn));
bulges.Add((readerIn.PeekLine().Trim() == "42") ? ReadDouble(readerIn, "42") : 0d);
}
if (points.Count > 0 && flag == 1) // i.e. is closed
{
points.Add(points[0]);
}
var buffer = new List <IMarkGeometry>();
var path = new MarkGeometryPath();
for (int i = 0; i < points.Count - 1; i++)
{
var p1 = points[i];
var p2 = points[i + 1];
var bulge = bulges[i];
if (Math.Abs(bulge) <= double.Epsilon)
{
path.Add(p1, true);
path.Add(p2, true);
}
else
{
if (path.Points.Count > 0)
{
path.Update(); // force path to re-compute it's properties
buffer.Add(path);
path = new MarkGeometryPath();
}
buffer.Add(new MarkGeometryArc(p1, p2, bulge));
}
}
if (path.Points.Count > 0)
{
path.Update(); // force path to re-compute it's properties
buffer.Add(path);
}
return(layerName, buffer);
}