private List <G.Line> getGeometry()
{
List <G.Line> polys = new List <G.Line>();
_Ed.PromptSelectionOptions opts = new _Ed.PromptSelectionOptions();
opts.MessageForAdding = "\nSelect Geometry: ";
_Ed.PromptSelectionResult userSelection = _c.doc.Editor.GetSelection(opts);
if (userSelection.Status != _Ed.PromptStatus.OK)
{
throw new DMTException("[ERROR] Geometry - cancelled");
}
_Ed.SelectionSet selectionSet = userSelection.Value;
foreach (_Ed.SelectedObject currentObject in selectionSet)
{
if (currentObject == null)
{
continue;
}
_Db.Entity currentEntity = _c.trans.GetObject(currentObject.ObjectId, _Db.OpenMode.ForRead) as _Db.Entity;
if (currentEntity == null)
{
continue;
}
if (currentEntity is _Db.Polyline)
{
_Db.Polyline poly = _c.trans.GetObject(currentEntity.ObjectId, _Db.OpenMode.ForRead) as _Db.Polyline;
int points = poly.NumberOfVertices;
for (int i = 1; i < points; i++)
{
_Ge.Point2d p1 = poly.GetPoint2dAt(i - 1);
_Ge.Point2d p2 = poly.GetPoint2dAt(i);
G.Point new_p1 = new G.Point(p1.X, p1.Y);
G.Point new_p2 = new G.Point(p2.X, p2.Y);
if (new_p1 == new_p2)
{
continue;
}
G.Line line = new G.Line(new_p1, new_p2);
if (!polys.Contains(line))
{
polys.Add(line);
}
}
if (poly.Closed)
{
_Ge.Point2d p1 = poly.GetPoint2dAt(points - 1);
_Ge.Point2d p2 = poly.GetPoint2dAt(0);
G.Point new_p1 = new G.Point(p1.X, p1.Y);
G.Point new_p2 = new G.Point(p2.X, p2.Y);
if (new_p1 == new_p2)
{
continue;
}
G.Line line = new G.Line(new_p1, new_p2);
if (!polys.Contains(line))
{
polys.Add(line);
}
}
}
}
if (polys.Count < 3)
{
throw new DMTException("[ERROR] Geometry - less then 3");
}
return(polys);
}