/// <summary>
/// Return polygon loops representing the size
/// and location of given sheet and all the
/// viewports it contains, regardless of type.
/// </summary>
static JtLoops GetSheetViewportLoops(
SheetModelCollections modelCollections,
ViewSheet sheet)
{
Document doc = sheet.Document;
List <Viewport> viewports = sheet
.GetAllViewports()
.Select <ElementId, Viewport>(
id => doc.GetElement(id) as Viewport)
.ToList <Viewport>();
int n = viewports.Count;
modelCollections.ViewsInSheet[sheet.Id]
= new List <ViewData>(n);
JtLoops sheetViewportLoops = new JtLoops(n + 1);
// sheet.get_BoundingBox( null ) returns (-100,-100),(100,100)
BoundingBoxUV bb = sheet.Outline; // model coordinates (0,0), (2.76,1.95)
JtBoundingBox2dInt ibb = new JtBoundingBox2dInt(); // millimeters (0,0),(840,...)
ibb.ExpandToContain(new Point2dInt(bb.Min));
ibb.ExpandToContain(new Point2dInt(bb.Max));
JtLoop loop = new JtLoop(ibb.Corners);
sheetViewportLoops.Add(loop);
foreach (Viewport vp in viewports)
{
XYZ center = vp.GetBoxCenter(); // not used
Outline outline = vp.GetBoxOutline();
ibb.Init();
ibb.ExpandToContain(
new Point2dInt(outline.MinimumPoint));
ibb.ExpandToContain(
new Point2dInt(outline.MaximumPoint));
loop = new JtLoop(ibb.Corners);
sheetViewportLoops.Add(loop);
ViewData d = new ViewData();
d.Id = vp.ViewId;
d.ViewportBoundingBox = loop.BoundingBox;
modelCollections.ViewsInSheet[sheet.Id].Add(
d);
}
return(sheetViewportLoops);
}
/// <summary>
/// Determine the visible elements belonging to the
/// specified categories in the views displayed by
/// the given sheet and return their graphics and
/// instance placements.
/// Ignore all but the first geometry loop retrieved.
/// </summary>
/// <param name="modelCollections">Data container</param>
/// <param name="sheet">The view sheet</param>
/// <param name="categoryFilter">The desired categories</param>
static void GetBimGraphics(
SheetModelCollections modelCollections,
ViewSheet sheet,
ElementFilter categoryFilter)
{
bool list_ignored_elements = false;
Document doc = sheet.Document;
Autodesk.Revit.Creation.Application creapp
= doc.Application.Create;
Options opt = new Options();
// There is no need and no possibility to set
// the detail level when retrieving view geometry.
// An attempt to specify the detail level will
// cause writing the opt.View property to throw
// "DetailLevel is already set. When DetailLevel
// is set view-specific geometry can't be
// extracted."
//
//opt.DetailLevel = ViewDetailLevel.Coarse;
Debug.Print(sheet.Name);
foreach (ViewPlan v in sheet.GetAllPlacedViews()
.Select <ElementId, View>(id =>
doc.GetElement(id) as View)
.OfType <ViewPlan>()
.Where <ViewPlan>(v => IsFloorPlan(v)))
{
Debug.Print(" " + v.Name);
modelCollections.BimelsInViews.Add(
v.Id, new List <ObjData>());
opt.View = v;
JtBoundingBox2dInt bimelBb
= new JtBoundingBox2dInt();
FilteredElementCollector els
= new FilteredElementCollector(doc, v.Id)
.WherePasses(categoryFilter);
foreach (Element e in els)
{
GeometryElement geo = e.get_Geometry(opt);
FamilyInstance f = e as FamilyInstance;
if (null != f)
{
LocationPoint lp = e.Location
as LocationPoint;
// Simply ignore family instances that
// have no location point or no location at
// all, e.g. panel.
// No, we should not ignore them, but
// treat tham as non-transformable parts.
if (null == lp)
{
if (list_ignored_elements)
{
Debug.Print(string.Format(
" ... {0} has no location",
e.Name));
}
f = null;
geo = geo.GetTransformed(
Transform.Identity);
}
else
{
FamilySymbol s = f.Symbol;
if (modelCollections.Symbols.ContainsKey(s.Id))
{
if (list_ignored_elements)
{
Debug.Print(" ... symbol already handled "
+ e.Name + " --> " + s.Name);
}
// Symbol already defined, just add instance
JtPlacement2dInt placement
= new JtPlacement2dInt(f);
// Expand bounding box around all BIM
// elements, ignoring the size of the
// actual geometry, assuming is is small
// in comparison and the insertion point
// lies within it.
bimelBb.ExpandToContain(
placement.Translation);
InstanceData d = new InstanceData();
d.Id = f.Id;
d.Symbol = f.Symbol.Id;
d.Placement = placement;
modelCollections.BimelsInViews[v.Id]
.Add(d);
continue;
}
// Retrieve family instance geometry
// transformed back to symbol definition
// coordinate space by inverting the
// family instance placement transformation
Transform t = Transform.CreateTranslation(
-lp.Point);
Transform r = Transform.CreateRotationAtPoint(
XYZ.BasisZ, -lp.Rotation, lp.Point);
geo = geo.GetTransformed(t * r);
}
}
int nEmptySolids = 0;
int nNonEmptySolids = 0;
int nCurves = 0;
int nOther = 0;
foreach (GeometryObject obj in geo)
{
// This was true before calling GetTransformed.
//Debug.Assert( obj is Solid || obj is GeometryInstance, "expected only solids and instances" );
// This was true before calling GetTransformed.
//Debug.Assert( ( obj is GeometryInstance ) == ( e is FamilyInstance ), "expected all family instances to have geometry instance" );
Debug.Assert(obj is Solid || obj is Line || obj is Arc, "expected only solids, lines and arcs after calling GetTransformed on instances");
// Todo: handle arcs, e.g. tessellate
Debug.Assert(Visibility.Visible == obj.Visibility, "expected only visible geometry objects");
Debug.Assert(obj.IsElementGeometry, "expected only element geometry");
//bool isElementGeometry = obj.IsElementGeometry;
Solid solid = obj as Solid;
if (null != solid)
{
if (0 < solid.Edges.Size)
{
++nNonEmptySolids;
}
else
{
++nEmptySolids;
}
}
else if (obj is Curve)
{
++nCurves;
}
else
{
++nOther;
}
}
Debug.Print(" {0}: {1} non-emtpy solids, "
+ "{2} empty, {3} curves, {4} other",
e.Name, nNonEmptySolids, nEmptySolids,
nCurves, nOther);
JtLoops loops = null;
if (1 == nNonEmptySolids &&
0 == nEmptySolids + nCurves + nOther)
{
int nFailures = 0;
loops = CmdUploadRooms
.GetPlanViewBoundaryLoopsGeo(
creapp, geo, ref nFailures);
}
else
{
double z = double.MinValue;
bool first = true;
foreach (GeometryObject obj in geo)
{
// Do we need the graphics style?
// It might give us horrible things like
// colours etc.
ElementId id = obj.GraphicsStyleId;
//Debug.Print( " " + obj.GetType().Name );
Solid solid = obj as Solid;
if (null == solid)
{
#region Debug code to ensure horizontal co-planar curves
#if DEBUG
Debug.Assert(obj is Line || obj is Arc, "expected only lines and arcs here");
Curve c = obj as Curve;
if (first)
{
z = c.GetEndPoint(0).Z;
Debug.Assert(Util.IsEqual(z, c.GetEndPoint(1).Z),
"expected a plan view with all Z values equal");
first = false;
}
else
{
Debug.Assert(Util.IsEqual(z, c.GetEndPoint(0).Z),
"expected a plan view with all Z values equal");
Debug.Assert(Util.IsEqual(z, c.GetEndPoint(1).Z),
"expected a plan view with all Z values equal");
}
Debug.Print(" {0} {1}",
obj.GetType().Name,
Util.CurveEndpointString(c));
#endif // DEBUG
#endregion // Debug code to ensure horizontal co-planar curves
}
else if (1 == solid.Faces.Size)
{
Debug.Print(
" solid with 1 face");
foreach (Face face in solid.Faces)
{
#region Debug code to print out face edges
#if DEBUG
foreach (EdgeArray loop in
face.EdgeLoops)
{
foreach (Edge edge in loop)
{
// This returns the curves already
// correctly oriented:
Curve c = edge
.AsCurveFollowingFace(face);
Debug.Print(" {0}: {1} {2}",
edge.GetType().Name,
c.GetType().Name,
Util.CurveEndpointString(c));
}
}
#endif // DEBUG
#endregion // Debug code to print out face edges
if (null == loops)
{
loops = new JtLoops(1);
}
loops.Add(CmdUploadRooms.GetLoop(
creapp, face));
}
}
else
{
#region Debug code for exceptional cases
#if DEBUG_2
Debug.Assert(1 >= solid.Faces.Size, "expected at most one visible face in plan view for my simple solids");
int n = solid.Edges.Size;
if (0 < n)
{
Debug.Print(
" solid with {0} edges", n);
Face[] face2 = new Face[] { null, null };
Face face = null;
foreach (Edge edge in solid.Edges)
{
if (null == face2[0])
{
face2[0] = edge.GetFace(0);
face2[1] = edge.GetFace(1);
}
else if (null == face)
{
if (face2.Contains <Face>(edge.GetFace(0)))
{
face = edge.GetFace(0);
}
else if (face2.Contains <Face>(edge.GetFace(1)))
{
face = edge.GetFace(1);
}
else
{
Debug.Assert(false,
"expected all edges to belong to one face");
}
}
else
{
Debug.Assert(face == edge.GetFace(0) ||
face == edge.GetFace(1),
"expected all edges to belong to one face");
}
Curve c = edge.AsCurve();
// This returns the curves already
// correctly oriented:
//Curve curve = e.AsCurveFollowingFace(
// face );
Debug.Print(" {0}: {1} {2}",
edge.GetType().Name,
c.GetType().Name,
Util.CurveEndpointString(c));
}
}
#endif // DEBUG
#endregion // Debug code for exceptional cases
}
}
}
// Save the part or instance and
// the geometry retrieved for it.
// This is where we drop all geometry but
// the first loop.
if (null != loops)
{
GeomData gd = new GeomData();
gd.Loop = loops[0];
if (null == f)
{
// Add part with absolute geometry
gd.Id = e.Id;
modelCollections.BimelsInViews[v.Id].Add(
gd);
// Expand bounding box around all BIM
// elements.
bimelBb.ExpandToContain(
gd.Loop.BoundingBox);
}
else
{
// Define symbol and add instance
JtPlacement2dInt placement
= new JtPlacement2dInt(f);
InstanceData id = new InstanceData();
id.Id = f.Id;
id.Symbol = f.Symbol.Id;
id.Placement = placement;
modelCollections.BimelsInViews[v.Id].Add(
id);
gd.Id = f.Symbol.Id;
modelCollections.Symbols.Add(
f.Symbol.Id, gd);
// Expand bounding box around all BIM
// elements.
JtBoundingBox2dInt bb = gd.Loop.BoundingBox;
Point2dInt vtrans = placement.Translation;
bimelBb.ExpandToContain(bb.Min + vtrans);
bimelBb.ExpandToContain(bb.Max + vtrans);
}
}
}
// Set up BIM bounding box for this view
modelCollections.ViewsInSheet[sheet.Id].Find(
v2 => v2.Id.IntegerValue.Equals(
v.Id.IntegerValue)).BimBoundingBox
= bimelBb;
}
}
/// <summary>
/// Display sheet, the views it contains, the BIM
/// parts and family instances they display in a
/// temporary form generated on the fly.
/// </summary>
/// <param name="owner">Owner window</param>
/// <param name="caption">Form caption</param>
/// <param name="modal">Modal versus modeless</param>
/// <param name="roomLoops">Sheet and viewport boundary loops</param>
/// <param name="geometryLoopss">Family symbol and part geometry</param>
/// <param name="familyInstances">Family instances</param>
public static Bitmap DisplaySheet(
ElementId sheetId,
JtLoops sheetViewportLoops,
SheetModelCollections modelCollections)
{
// Source rectangle.
JtBoundingBox2dInt bbFrom = sheetViewportLoops
.BoundingBox;
// Adjust target rectangle height to the
// displayee loop height.
int width = _form_width;
int height = (int)(width * bbFrom.AspectRatio + 0.5);
// Specify transformation target rectangle
// including a margin.
int top = 0;
int left = 0;
int bottom = height - (_margin + _margin);
Point[] parallelogramPoints = new Point[] {
new Point(left + _margin, bottom), // upper left
new Point(left + width - _margin, bottom), // upper right
new Point(left + _margin, top + _margin) // lower left
};
// Transform from native loop coordinate system
// (sheet) to target display coordinates form).
Matrix transformSheetBbToForm = new Matrix(
bbFrom.Rectangle, parallelogramPoints);
Bitmap bmp = new Bitmap(width, height);
Graphics graphics = Graphics.FromImage(bmp);
graphics.Clear(System.Drawing.Color.White);
// Display sheet and viewport rectangles.
DrawLoopsOnGraphics(graphics,
sheetViewportLoops.GetGraphicsPathLines(),
transformSheetBbToForm);
// Iterate over the views and display the
// elements for each one appropriately
// scaled and translated to fit.
List <ViewData> views = modelCollections
.ViewsInSheet[sheetId];
Dictionary <ElementId, GeomData> geometryLookup
= modelCollections.Symbols;
Matrix transformBimToViewport;
JtBoundingBox2dInt bbTo;
JtLoop loop;
foreach (ViewData view in views)
{
ElementId vid = view.Id;
if (!modelCollections.BimelsInViews
.ContainsKey(vid))
{
// This is not a floor plan view, so
// we have nothing to display in it.
continue;
}
// Determine transform from model space in mm
// to the viewport associated with this view.
bbFrom = view.BimBoundingBox;
bbTo = view.ViewportBoundingBox;
Debug.Print(view.ToString());
// Adjust target rectangle height to the
// displayee loop height.
//height = (int) ( width * bbFrom.AspectRatio + 0.5 );
// Specify transformation target rectangle
// including a margin, and center the target
// rectangle vertically.
top = bbTo.Min.Y + _margin2;
left = bbTo.Min.X + _margin2;
bottom = bbTo.Max.Y - _margin2;
width = bbTo.Width - (_margin2 + _margin2);
parallelogramPoints = new Point[] {
new Point(left, top), // upper left
new Point(left + width, top), // upper right
new Point(left, bottom) // lower left
};
// Transform from native loop coordinate system
// (sheet) to target display coordinates form).
transformBimToViewport = new Matrix(
bbFrom.Rectangle, parallelogramPoints);
// Retrieve the list of BIM elements
// displayed in this view.
List <ObjData> bimels = modelCollections
.BimelsInViews[vid];
List <Point[]> loops = new List <Point[]>(1);
loops.Add(new Point[] { });
Matrix placement = new Matrix();
foreach (ObjData bimel in bimels)
{
placement.Reset();
InstanceData inst = bimel as InstanceData;
if (null != inst)
{
loop = geometryLookup[inst.Symbol].Loop;
Point2dInt v = inst.Placement.Translation;
placement.Rotate(inst.Placement.Rotation);
placement.Translate(v.X, v.Y, MatrixOrder.Append);
}
else
{
Debug.Assert(bimel is GeomData, "expected part with geometry");
loop = ((GeomData)bimel).Loop;
}
loops[0] = loop.GetGraphicsPathLines();
placement.Multiply(transformBimToViewport, MatrixOrder.Append);
placement.Multiply(transformSheetBbToForm, MatrixOrder.Append);
DrawLoopsOnGraphics(graphics, loops, placement);
}
}
return(bmp);
}
/// <summary>
/// Display room and furniture in a temporary form
/// generated on the fly.
/// </summary>
/// <param name="roomLoops">Room boundary loops</param>
/// <param name="geometryLoops">Family symbol geometry</param>
/// <param name="familyInstances">Family instances</param>
public static Bitmap DisplayRoom(
JtLoops roomLoops,
Dictionary <string, JtLoop> geometryLoops,
List <JtPlacement2dInt> familyInstances)
{
JtBoundingBox2dInt bbFrom = roomLoops.BoundingBox;
// Adjust target rectangle height to the
// displayee loop height.
int width = _form_width;
int height = (int)(width * bbFrom.AspectRatio + 0.5);
//SizeF fsize = new SizeF( width, height );
//SizeF scaling = new SizeF( 1, 1 );
//PointF translation = new PointF( 0, 0 );
//GetTransform( fsize, bbFrom,
// ref scaling, ref translation, true );
//Matrix transform1 = new Matrix(
// new Rectangle(0,0,width,height),
// bbFrom.GetParallelogramPoints());
//transform1.Invert();
// the bounding box fills the rectangle
// perfectly and completely, inverted and
// non-uniformly distorted:
//Point2dInt pmin = bbFrom.Min;
//Rectangle rect = new Rectangle(
// pmin.X, pmin.Y, bbFrom.Width, bbFrom.Height );
//Point[] parallelogramPoints = new Point [] {
// new Point( 0, 0 ), // upper left
// new Point( width, 0 ), // upper right
// new Point( 0, height ) // lower left
//};
// the bounding box fills the rectangle
// perfectly and completely, inverted and
// non-uniformly distorted:
// Specify transformation target rectangle
// including a margin.
int bottom = height - (_margin + _margin);
Point[] parallelogramPoints = new Point[] {
new Point(_margin, bottom), // upper left
new Point(width - _margin, bottom), // upper right
new Point(_margin, _margin) // lower left
};
// Transform from native loop coordinate system
// to target display coordinates.
Matrix transform = new Matrix(
bbFrom.Rectangle, parallelogramPoints);
Bitmap bmp = new Bitmap(width, height);
Graphics graphics = Graphics.FromImage(bmp);
graphics.Clear(System.Drawing.Color.White);
DrawLoopsOnGraphics(graphics,
roomLoops.GetGraphicsPathLines(), transform);
if (null != familyInstances)
{
List <Point[]> loops = new List <Point[]>(1);
loops.Add(new Point[] { });
foreach (JtPlacement2dInt i in familyInstances)
{
Point2dInt v = i.Translation;
Matrix placement = new Matrix();
placement.Rotate(i.Rotation);
placement.Translate(v.X, v.Y, MatrixOrder.Append);
placement.Multiply(transform, MatrixOrder.Append);
loops[0] = geometryLoops[i.SymbolId]
.GetGraphicsPathLines();
DrawLoopsOnGraphics(graphics, loops, placement);
}
}
return(bmp);
}
/// <summary>
/// Expand bounding box to contain
/// the given other bounding box.
/// </summary>
public void ExpandToContain(JtBoundingBox2dInt b)
{
ExpandToContain(b.Min);
ExpandToContain(b.Max);
}
/// <summary>
/// Expand bounding box to contain
/// the given other bounding box.
/// </summary>
public void ExpandToContain( JtBoundingBox2dInt b )
{
ExpandToContain( b.Min );
ExpandToContain( b.Max );
}