/// <summary>
///
/// Create FdCoordinateSystem from Dynamo coordinate system of a Arc or Circle.
/// Dynamo Arcs and Circles follow left-hand rule.
/// This method realignes the coordinate system.
/// </summary>
internal static FdCoordinateSystem FromDynamoCoordinateSystemArcOrCircle(Autodesk.DesignScript.Geometry.CoordinateSystem obj)
{
FdPoint3d origin = FdPoint3d.FromDynamo(obj.Origin);
FdVector3d localX = FdVector3d.FromDynamo(obj.YAxis);
FdVector3d localY = FdVector3d.FromDynamo(obj.XAxis);
FdVector3d localZ = localX.Cross(localY).Normalize();
return(new FdCoordinateSystem(origin, localX, localY, localZ));
}
/// <summary>
/// Construct FdCoordinateSystem from origin point and local x and y axes.
/// </summary>
public FdCoordinateSystem(FdPoint3d origin, FdVector3d localX, FdVector3d localY)
{
this.Origin = origin;
this._localX = localX;
this._localY = localY;
this._localZ = localX.Cross(localY);
if (!this.IsComplete())
{
throw new System.ArgumentException("The defined coordinate system is not complete!");
}
if (!this.IsOrthogonal())
{
throw new System.ArgumentException($"The defined coordinate system is not orthogonal within the tolerance {Tolerance.DotProduct}");
}
}
/// <summary>
/// Set Y-axis and rotate coordinate system accordingly around X-Axis.
/// </summary>
public void SetYAroundX(FdVector3d vector)
{
// try to set axis
FdVector3d val = vector.Normalize();
FdVector3d x = this.LocalX;
double dot = x.Dot(val);
if (Math.Abs(dot) < Tolerance.DotProduct)
{
this._localY = val;
this._localZ = x.Cross(val); // follows right-hand-rule
}
else
{
throw new System.ArgumentException($"The passed Y-axis is not perpendicular to X-axis. The dot-product is {dot}, but should be 0");
}
}
