protected override void OnExecute(Command command, ExecutionContext context, System.Drawing.Rectangle buttonRect)
{
if (excelWorksheet == null)
{
excelWorksheet = new ExcelWorksheet();
}
Window activeWindow = Window.ActiveWindow;
List <ITrimmedCurve> iTrimmedCurves = new List <ITrimmedCurve>(activeWindow.GetAllSelectedITrimmedCurves());
if (iTrimmedCurves.Count != 2)
{
return;
}
ITrimmedCurve curveA = iTrimmedCurves[0];
ITrimmedCurve curveB = iTrimmedCurves[1];
var intersections = new List <IntPoint <CurveEvaluation, CurveEvaluation> >(curveA.IntersectCurve(curveB));
CurveEvaluation evalA = curveA.ProjectPoint(intersections[0].Point);
CurveEvaluation evalB = curveB.ProjectPoint(intersections[0].Point);
double angle = Math.Acos(Vector.Dot(evalA.Tangent.UnitVector, evalB.Tangent.UnitVector));
excelWorksheet.SetCell(row++, 1, angle * 180 / Math.PI);
}
