// =====================================================================
// (5.1.1) create simple line objects to be displayed in coarse level
// =====================================================================
public void addLineObjects()
{
//
// define a simple L-shape detail line object
//
// 0
// + h = height
// | (we also want to draw a vertical line here at point 1)
// d |
// +-----+
// 1 2
// w
//
// sizes
double w = mmToFeet(600.0); // modified to match reference plane. otherwise, alignment won't work.
double d = mmToFeet(600.0);
double h = mmToFeet(4000.0); // distance between Lower and Upper Ref Level.
double t = mmToFeet(50.0); // slight offset for visbility
// define vertices
//
XYZ[] pts = new XYZ[] { new XYZ((-w / 2.0) + t, d / 2.0, 0.0), new XYZ((-w / 2.0) + t, (-d / 2.0) + t, 0.0), new XYZ(w / 2.0, (-d / 2.0) + t, 0.0) };
XYZ ptH = new XYZ((-w / 2.0) + t, (-d / 2.0) + t, h); // this is for vertical line.
//
// (2) create a sketch plane
//
// we need to know the template. If you look at the template (Metric Column.rft) and "Front" view,
// you will see "Reference Plane" at "Lower Ref. Level". We are going to create a sketch plane there.
// findElement() is a helper function that find an element of the given type and name. see below.
// Note: we did the same in creating a profile.
//
ReferencePlane pRefPlane = findElement(typeof(ReferencePlane), "Reference Plane") as ReferencePlane;
//SketchPlane pSketchPlane = _doc.FamilyCreate.NewSketchPlane(pRefPlane.Plane); // Revit 2013
//SketchPlane pSketchPlane = SketchPlane.Create(_doc, pRefPlane.Plane); // Revit 2014
SketchPlane pSketchPlane = SketchPlane.Create(_doc, pRefPlane.GetPlane()); // Revit 2016
// for vertical line, we draw a straight vertical line at the point[1]
XYZ normal = new XYZ(1.0, 0.0, 0.0);
//Plane pGeomPlaneH = _app.Create.NewPlane( normal, pts[1] ); // Revit 2016
Plane pGeomPlaneH = Plane.CreateByNormalAndOrigin(normal, pts[1]); // Revit 2017
//SketchPlane pSketchPlaneH = _doc.FamilyCreate.NewSketchPlane(pGeomPlaneH); // Revit 2013
SketchPlane pSketchPlaneH = SketchPlane.Create(_doc, pGeomPlaneH); // Revit 2014
// (3) create line objects: two symbolic curves on a plan and one model curve representing a column like a vertical stick.
//
// Revit 2013
//Line geomLine1 = _app.Create.NewLine(pts[0], pts[1], true);
//Line geomLine2 = _app.Create.NewLine(pts[1], pts[2], true);
//Line geomLineH = _app.Create.NewLine(pts[1], ptH, true);
// Revit 2014
Line geomLine1 = Line.CreateBound(pts[0], pts[1]);
Line geomLine2 = Line.CreateBound(pts[1], pts[2]);
//Line geomLineH = _app.Create.NewLine(pts[1], ptH, true); // Revit 2013
Line geomLineH = Line.CreateBound(pts[1], ptH);
SymbolicCurve pLine1 = _doc.FamilyCreate.NewSymbolicCurve(geomLine1, pSketchPlane);
SymbolicCurve pLine2 = _doc.FamilyCreate.NewSymbolicCurve(geomLine2, pSketchPlane);
ModelCurve pLineH = _doc.FamilyCreate.NewModelCurve(geomLineH, pSketchPlaneH); // this is vertical line
// set the visibilities of two lines to coarse only
//
FamilyElementVisibility pVis = new FamilyElementVisibility(FamilyElementVisibilityType.ViewSpecific);
pVis.IsShownInFine = false;
pVis.IsShownInMedium = false;
pLine1.SetVisibility(pVis);
pLine2.SetVisibility(pVis);
FamilyElementVisibility pVisH = new FamilyElementVisibility(FamilyElementVisibilityType.Model);
pVisH.IsShownInFine = false;
pVisH.IsShownInMedium = false;
pLineH.SetVisibility(pVisH);
}