/// <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);
}
public Result Execute(
ExternalCommandData commandData,
ref string message,
ElementSet elements)
{
UIApplication uiapp = commandData.Application;
UIDocument uidoc = uiapp.ActiveUIDocument;
Application app = uiapp.Application;
Document doc = uidoc.Document;
//IWin32Window revit_window
// = new JtWindowHandle(
// ComponentManager.ApplicationWindow ); // pre-2020
IWin32Window revit_window
= new JtWindowHandle(uiapp.MainWindowHandle); // 2020
if (null == doc)
{
Util.ErrorMsg("Please run this command in a valid"
+ " Revit project document.");
return(Result.Failed);
}
// Interactive sheet selection.
FrmSelectSheets form = new FrmSelectSheets(doc);
if (DialogResult.OK == form.ShowDialog(
revit_window))
{
List <ViewSheet> sheets
= form.GetSelectedSheets();
int n = sheets.Count;
string caption = Util.PluralString(
n, "Sheet") + " Selected";
string msg = string.Join(", ",
sheets.Select <Element, string>(
e => Util.SheetDescription(e))) + ".";
// Determine all floor plan views displayed
// in the selected sheets.
Dictionary <View, int> views
= new Dictionary <View, int>(
new ElementEqualityComparer());
int nFloorPlans = 0;
foreach (ViewSheet sheet in sheets)
{
foreach (View v in sheet.GetAllPlacedViews()
.Select <ElementId, View>(id =>
doc.GetElement(id) as View))
{
if (!views.ContainsKey(v))
{
if (IsFloorPlan(v))
{
++nFloorPlans;
}
views.Add(v, 0);
}
++views[v];
}
}
msg += (1 == n)
? "\nIt contains"
: "\nThey contain";
n = views.Count;
msg += string.Format(
" {0} including {1}: ",
Util.PluralString(n, "view"),
Util.PluralString(nFloorPlans,
"floor plan"));
msg += string.Join(", ",
views.Keys.Select <Element, string>(
e => e.Name)) + ".";
Util.InfoMsg2(caption, msg, false);
// Determine all categories occurring
// in the views displayed by the sheets.
List <Category> categories
= new List <Category>(
new CategoryCollector(views.Keys).Keys);
// Sort categories alphabetically by name
// to display them in selection form.
categories.Sort(
delegate(Category c1, Category c2)
{
return(string.Compare(c1.Name, c2.Name));
});
// Interactive category selection.
FrmSelectCategories form2
= new FrmSelectCategories(categories);
if (DialogResult.OK == form2.ShowDialog(
revit_window))
{
categories = form2.GetSelectedCategories();
n = categories.Count;
caption = Util.PluralString(n, "Category")
+ " Selected";
msg = string.Join(", ",
categories.Select <Category, string>(
e => e.Name)) + ".";
Util.InfoMsg2(caption, msg, false);
// Convert category list to a dictionary for
// more effective repeated lookup.
//
//Dictionary<ElementId, Category> catLookup =
// categories.ToDictionary<Category, ElementId>(
// c => c.Id );
//
// No, much better: set up a reusable element
// filter for the categories of interest:
ElementFilter categoryFilter
= new LogicalOrFilter(categories
.Select <Category, ElementCategoryFilter>(
c => new ElementCategoryFilter(c.Id))
.ToList <ElementFilter>());
// Instantiate a container for all
// cloud data repository content.
SheetModelCollections modelCollections
= new SheetModelCollections(
DbUpload.GetProjectInfo(doc).Id);
foreach (ViewSheet sheet in sheets)
{
// Define preview form caption.
caption = "Sheet and Viewport Loops - "
+ Util.SheetDescription(sheet);
// This is currently not used for anything.
ListSheetAndViewTransforms(sheet);
// Determine the polygon loops representing
// the size and location of given sheet and
// the viewports it contains.
JtLoops sheetViewportLoops
= GetSheetViewportLoops(
modelCollections, sheet);
// Determine graphics for family instances,
// their symbols and other BIM parts.
GetBimGraphics(modelCollections,
sheet, categoryFilter);
// Display sheet and viewports with the
// geometry retrieved in a temporary GeoSnoop
// form generated on the fly for debugging
// purposes.
Bitmap bmp = GeoSnoop.DisplaySheet(
sheet.Id, sheetViewportLoops,
modelCollections);
GeoSnoop.DisplayImageInForm(
revit_window, caption, false, bmp);
// Upload data to the cloud database.
DbUpload.DbUploadSheet(sheet,
sheetViewportLoops, modelCollections);
}
DbUpdater.SetLastSequence();
}
}
return(Result.Succeeded);
}
/// <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>
/// Upload model, sheet, views it contains and
/// their BIM elements to a CouchDB data repository.
/// </summary>
static public void DbUploadSheet(
ViewSheet sheet,
JtLoops sheetViewportLoops,
SheetModelCollections modelCollections)
{
bool pre_existing = false;
RoomEditorDb rdb = new RoomEditorDb();
CouchDatabase db = rdb.Db;
// Sheet
Document doc = sheet.Document;
Element e = GetProjectInfo(doc);
DbModel dbModel = GetDbModel(db, e);
DbSheet dbSheet = rdb.GetOrCreate <DbSheet>(
ref pre_existing, sheet.UniqueId);
dbSheet.Description = Util.SheetDescription(sheet);
dbSheet.Name = sheet.Name;
dbSheet.ModelId = e.UniqueId;
dbSheet.Width = sheetViewportLoops[0].BoundingBox.Width;
dbSheet.Height = sheetViewportLoops[0].BoundingBox.Height;
dbSheet = pre_existing
? db.UpdateDocument <DbSheet>(dbSheet)
: db.CreateDocument <DbSheet>(dbSheet);
// Symbols
Dictionary <ElementId, GeomData> geometryLookup
= modelCollections.Symbols;
foreach (KeyValuePair <ElementId, GeomData> p
in geometryLookup)
{
ElementId id = p.Key;
e = doc.GetElement(id);
DbSymbol symbol = rdb.GetOrCreate <DbSymbol>(
ref pre_existing, e.UniqueId);
symbol.Description = Util.ElementDescription(e);
symbol.Name = e.Name;
symbol.Loop = p.Value.Loop.SvgPath;
symbol = pre_existing
? db.UpdateDocument <DbSymbol>(symbol)
: db.CreateDocument <DbSymbol>(symbol);
}
// Views and BIM elements
List <ViewData> views = modelCollections
.ViewsInSheet[sheet.Id];
View view;
DbView dbView;
DbBimel dbBimel;
DbInstance dbInstance = null;
DbPart dbPart = null;
JtBoundingBox2dInt bbFrom;
JtBoundingBox2dInt bbTo;
foreach (ViewData viewData in views)
{
ElementId vid = viewData.Id;
if (!modelCollections.BimelsInViews
.ContainsKey(vid))
{
// This is not a floor plan view, so
// we have nothing to display in it.
continue;
}
view = doc.GetElement(vid) as View;
dbView = rdb.GetOrCreate <DbView>(
ref pre_existing, view.UniqueId);
dbView.Description = Util.ElementDescription(view);
dbView.Name = view.Name;
dbView.SheetId = dbSheet.Id;
bbFrom = viewData.BimBoundingBox;
bbTo = viewData.ViewportBoundingBox;
dbView.X = bbTo.Min.X;
dbView.Y = bbTo.Min.Y;
dbView.Width = bbTo.Width;
dbView.Height = bbTo.Height;
dbView.BimX = bbFrom.Min.X;
dbView.BimY = bbFrom.Min.Y;
dbView.BimWidth = bbFrom.Width;
dbView.BimHeight = bbFrom.Height;
dbView = pre_existing
? db.UpdateDocument <DbView>(dbView)
: db.CreateDocument <DbView>(dbView);
// Retrieve the list of BIM elements
// displayed in this view.
List <ObjData> bimels = modelCollections
.BimelsInViews[vid];
foreach (ObjData bimel in bimels)
{
e = doc.GetElement(bimel.Id);
InstanceData inst = bimel as InstanceData;
if (null != inst)
{
dbInstance = rdb.GetOrCreate <DbInstance>(
ref pre_existing, e.UniqueId);
dbInstance.SymbolId = doc.GetElement(
inst.Symbol).UniqueId;
dbInstance.Transform = inst.Placement
.SvgTransform;
dbBimel = dbInstance;
}
else
{
Debug.Assert(bimel is GeomData,
"expected part with geometry");
dbPart = rdb.GetOrCreate <DbPart>(
ref pre_existing, e.UniqueId);
dbPart.Loop = ((GeomData)bimel).Loop
.SvgPath;
dbBimel = dbPart;
}
dbBimel.Description = Util.ElementDescription(e);
dbBimel.Name = e.Name;
JtUidSet uids = new JtUidSet(dbBimel.ViewIds);
uids.Add(view.UniqueId);
dbBimel.ViewIds = uids.Uids;
dbBimel.Properties = Util.GetElementProperties(e);
if (null != inst)
{
dbInstance = pre_existing
? db.UpdateDocument <DbInstance>(dbInstance)
: db.CreateDocument <DbInstance>(dbInstance);
}
else
{
dbPart = pre_existing
? db.UpdateDocument <DbPart>(dbPart)
: db.CreateDocument <DbPart>(dbPart);
}
}
}
}
/// <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;
}
