/// <summary>
/// Gets the rotation from matrix
/// </summary>
/// <param name="matrix">Rotation from matrix</param>
/// <param name="axis">Around axis</param>
/// <returns>Angle of rotation (0 - 2PI)</returns>
public double GetRotation(IMatrix44 matrix, Axis axis)
{
double rot = 0.0;
double y = 0.0;
switch (axis)
{
case Axis.XAxis:
rot = GeomOperation.GetAngle(matrix.AxisZ, AxisZ);
y = AxisZ | (matrix.AxisX * matrix.AxisZ).Normalize;
break;
case Axis.YAxis:
rot = GeomOperation.GetAngle(matrix.AxisX, AxisX);
y = AxisX | (matrix.AxisY * matrix.AxisX).Normalize;
break;
case Axis.ZAxis:
rot = GeomOperation.GetAngle(matrix.AxisY, AxisY);
y = AxisY | (matrix.AxisZ * matrix.AxisY).Normalize;
break;
}
if (y.IsLesser(0))
{
rot = 2 * Math.PI - rot;
}
return(rot);
}
internal static IPolygon2D ToPolygon2D(IPolyLine3D polyline3D, IMatrix44 lcs, int numberOfArcTiles)
{
var polyline = ConvertTo2D(polyline3D, lcs);
var polygon = ToPolygon2D(polyline, numberOfArcTiles);
return(polygon);
}
/// <summary>
/// Calculate Points On Region.
/// </summary>
/// <returns>returns the point on region</returns>
private IPoint3D GetPointOnRegion()
{
IPoint3D pointOnRegion = new Point3D(OffsetX, OffsetY, 0.0);
IMatrix44 matrix = GeomOperation.GetMatrixPlane(region);
return(matrix.TransformToGCS(pointOnRegion));
}
public static IPolyLine3D ConvertTo3D(IPolyLine2D polyline, IMatrix44 lcs)
{
var geom = GeomOperation.ConvertTo3D(polyline);
GeomOperation.TransformToGCS(lcs, geom);
return(geom);
}
/// <summary>
/// Transform a given region to LCS using the matrix
/// </summary>
/// <param name="matrix">Matrix which is used to transform</param>
/// <param name="region">Region which is to be transformed</param>
public static void TransformToLCS(IMatrix44 matrix, IRegion3D region)
{
TransformToLCS(matrix, region.Outline);
foreach (IPolyLine3D opening in region.Openings)
{
TransformToLCS(matrix, opening);
}
}
public static ISegment2D ConvertTo2D(ISegment3D segment3D, IMatrix44 lcs)
{
var segmentCopy = segment3D.CloneSegment();
GeomOperation.TransformToLCS(lcs, segmentCopy);
var segment2D = ConvertTo2D(segmentCopy);
return(segment2D);
}
/// <summary>
/// Transforms given polyline 3D to LCS using matrix and converts to 2D geometry.
/// </summary>
/// <param name="polyline3D">Polyline to convert.</param>
/// <param name="lcs">Local coordinate system.</param>
/// <returns>2D geometry.</returns>
public static IPolyLine2D ConvertTo2D(IPolyLine3D polyline3D, IMatrix44 lcs)
{
var polylineCopy = new PolyLine3D(polyline3D);
GeomOperation.TransformToLCS(lcs, polylineCopy);
var polyline2D = ConvertTo2D(polylineCopy);
return(polyline2D);
}
internal static IPolygon2D ConvertTo2D(Polygon3D polygon3D, IMatrix44 lcs)
{
var pts = polygon3D.Select(pt =>
{
var p = lcs.TransformToLCS(pt);
return(new Point(p.X, p.Y));
});
return(new Polygon2D(pts));
}
/// <summary>
/// Convert the points of polyline based on baseGeometry
/// </summary>
/// <param name="matrix">LCS matrix of baseGeometry</param>
/// <param name="baseGeometry">Based on this region, the given polyline is modifed</param>
/// <param name="polyline">Input polyline object</param>
/// <param name="modifyInput">If true, given polyline object is modified. Otherwise prepare new polyline object</param>
/// <returns>Polyline object which is based on baseGeometry</returns>
public static IPolyLine3D GetPolylineOnRegion(IMatrix44 matrix, IRegion3D baseGeometry, IPolyLine3D polyline, bool modifyInput = true)
{
if (baseGeometry == null || polyline == null)
{
return(null);
}
if (matrix == null)
{
matrix = GetMatrixPlane(baseGeometry);
}
if (!modifyInput)
{
polyline = new PolyLine3D(polyline);
}
bool isIndependent = true;
if (polyline.IsClosed)
{
isIndependent = false;
}
ISegment3D firstSegment = null;
IPoint3D lastEndPoint = null;
foreach (ISegment3D segment in polyline.Segments)
{
GetSegmentOnRegion(matrix, baseGeometry, segment, isIndependent);
if (lastEndPoint != null)
{
segment.StartPoint = lastEndPoint;
}
if (firstSegment == null)
{
firstSegment = segment;
}
lastEndPoint = segment.EndPoint;
isIndependent = false;
}
if (firstSegment != null && lastEndPoint != null)
{
firstSegment.StartPoint = lastEndPoint;
}
return(polyline);
}
/// <summary>
/// Calculate relative position of point on polyline.
/// </summary>
/// <param name="region">region</param>
/// <param name="point">Point</param>
/// <param name="relativeX">Relative Position along local X axis</param>
/// <param name="relativeY">Relative Position along local Y axis</param>
/// <param name="toleranceLevel">Tolerance Level</param>
/// <returns>True if point exist in polyline</returns>
public static bool GetRelativePosition(IRegion3D region, IPoint3D point, ref double relativeX, ref double relativeY, double toleranceLevel = MathConstants.ZeroWeak)
{
IMatrix44 matrix = GeomOperation.GetMatrixPlane(region);
IPoint3D pointInLCS = matrix.TransformToLCS(point);
if (pointInLCS.Z.IsZero() == false)
{
return(false);
}
relativeX = pointInLCS.X;
relativeY = pointInLCS.Y;
return(true);
}
/// <summary>
/// Convert the points of segment based on baseGeometry
/// </summary>
/// <param name="matrix">LCS matrix of baseGeometry</param>
/// <param name="baseGeometry">Based on this region, the given segment is modifed</param>
/// <param name="segment">Input segment object</param>
/// <param name="isIndependent">Segment is independent</param>
/// <param name="modifyInput">If true, given segment object is modified. Otherwise prepare new segment object</param>
/// <returns>Segment object which is based on baseGeometry</returns>
public static ISegment3D GetSegmentOnRegion(IMatrix44 matrix, IRegion3D baseGeometry, ISegment3D segment, bool isIndependent = true, bool modifyInput = true)
{
if (baseGeometry == null || segment == null)
{
return(null);
}
if (matrix == null)
{
matrix = GetMatrixPlane(baseGeometry);
}
if (!modifyInput)
{
segment = segment.CloneSegment();
}
ILineSegment3D line = segment as ILineSegment3D;
if (line != null)
{
if (isIndependent)
{
line.StartPoint = GetPointOnRegion(matrix, baseGeometry, line.StartPoint);
}
line.EndPoint = GetPointOnRegion(matrix, baseGeometry, line.EndPoint);
return(line);
}
IArcSegment3D arc = segment as IArcSegment3D;
if (arc != null)
{
if (isIndependent)
{
arc.StartPoint = GetPointOnRegion(matrix, baseGeometry, arc.StartPoint);
}
arc.IntermedPoint = GetPointOnRegion(matrix, baseGeometry, arc.IntermedPoint);
arc.EndPoint = GetPointOnRegion(matrix, baseGeometry, arc.EndPoint);
return(arc);
}
throw new NotSupportedException();
}
public static IRegion2D ConvertTo2D(IRegion3D region3D, IMatrix44 lcs)
{
var regionCopy = new Region3D(region3D);
GeomOperation.TransformToLCS(lcs, regionCopy);
var outline2D = ConvertTo2D(regionCopy.Outline);
var region2D = new Region2D(outline2D);
if (regionCopy.OpeningsCount > 0)
{
foreach (var opening3D in regionCopy.Openings)
{
region2D.Openings.Add(ConvertTo2D(opening3D));
}
}
return(region2D);
}
internal static Polygon3D ToPolygon3D(IPolyLine2D outline, IMatrix44 lcs)
{
/// pozor - konvertuje pouze koncove body - tzn. zadne obloucky
var count = outline.Segments.Count;
var polygon = new Polygon3D(count + 1);
var point = outline.StartPoint;
var point3D = lcs.TransformToGCS(new WM.Point3D(0, point.X, point.Y));
polygon.Add(point3D);
for (var i = 0; i < count; ++i)
{
point = outline.Segments[i].EndPoint;
point3D = lcs.TransformToGCS(new WM.Point3D(0, point.X, point.Y));
polygon.Add(point3D);
}
return(polygon);
}
/// <summary>
/// Returns equation result
/// </summary>
/// <param name="matrix">Matrix</param>
/// <param name="tolerance">Matrix</param>
/// <returns>Return true if the data are equlas</returns>
public bool EqualsTo(IMatrix44 matrix, double tolerance = 1e-10)
{
if (matrix == null)
{
return(false);
}
var matrix44 = matrix as Matrix44;
for (int i = 0; i < RowCount; i++)
{
for (int j = 0; j < ColumnCount; j++)
{
if (!this.matrixElement[i, j].IsEqual(matrix44.matrixElement[i, j], tolerance))
{
return(false);
}
}
}
return(true);
}
/// <summary>
/// Convert the points of region based on baseGeometry
/// </summary>
/// <param name="baseGeometry">Based on this region, the given region is modifed</param>
/// <param name="region">Input region object</param>
/// <param name="modifyInput">If true, given region object is modified. Otherwise prepare new region object</param>
/// <returns>Region object which is based on baseGeometry</returns>
public static IRegion3D GetRegionOnRegion(IRegion3D baseGeometry, IRegion3D region, bool modifyInput = true)
{
if (baseGeometry == null || region == null)
{
return(null);
}
if (!modifyInput)
{
region = new Region3D(region);
}
IMatrix44 matrix = GetMatrixPlane(baseGeometry);
GetPolylineOnRegion(matrix, baseGeometry, region.Outline);
foreach (IPolyLine3D opening in region.Openings)
{
GetPolylineOnRegion(matrix, baseGeometry, opening);
}
return(region);
}
/// <summary>
/// Prepaer a point on region from given region and point.
/// </summary>
/// <param name="matrix">LCS matrix of baseGeometry</param>
/// <param name="baseGeometry">IRegion3D</param>
/// <param name="point">IPoint3D</param>
/// <returns>New IPointOnRegion object</returns>
public static IPointOnRegion GetPointOnRegion(IMatrix44 matrix, IRegion3D baseGeometry, IPoint3D point)
{
if (baseGeometry == null || point == null)
{
return(null);
}
if (matrix == null)
{
matrix = GetMatrixPlane(baseGeometry);
}
IPoint3D pointInLCS = matrix.TransformToLCS(point);
if (pointInLCS.Z.IsZero() == false)
{
throw new NotSupportedException("Screen point and selected region are not in same plane");
}
IPointOnRegion pointOnRegion = new PointOnRegion(baseGeometry, pointInLCS.X, pointInLCS.Y);
return(pointOnRegion);
}
internal static IPolyLine3D ConvertTo3D(IPolygon2D polygon2D, IMatrix44 lcs = null)
{
if (polygon2D == null)
{
return(null);
}
var count = polygon2D.Count;
if (count > 1)
{
var polyline3D = new PolyLine3D();
var beg = new Point3D(polygon2D[0].X, polygon2D[0].Y, 0);
for (var i = 1; i < count; ++i)
{
var end = new Point3D(polygon2D[i].X, polygon2D[i].Y, 0);
var seg = new LineSegment3D(beg, end);
polyline3D.Add(seg);
beg = end;
}
if (polygon2D.IsClosed)
{
polyline3D.Segments.Last().EndPoint = polyline3D.Segments.First().StartPoint;
}
if (lcs != null)
{
GeomOperation.TransformToGCS(lcs, polyline3D);
}
return(polyline3D);
}
return(null);
}
/// <summary>
/// Copy constructor
/// </summary>
/// <param name="source">Source matrix</param>
public Matrix44(IMatrix44 source)
{
SetMatrix(source.Origin, source.AxisX, source.AxisY, source.AxisZ);
}