public static bool ExportNestedBlock(NestedBlock nested, string filePath)
{
var doc = new File3dm();
// Add all instance definitions
foreach (var references in nested.GetRootTreeByRootDepth().Reverse())
{
var nameIndexDict = new Dictionary <string, int>();
foreach (var referencedBlock in references)
{
if (!nameIndexDict.ContainsKey(referencedBlock.Definition.Name))
{
var objs = referencedBlock.Definition.GetObjects();
var geos = new GeometryBase[objs.Length];
var attrs = new ObjectAttributes[objs.Length];
for (int i = 0; i < objs.Length; i++)
{
geos[i] = objs[i].Geometry;
attrs[i] = objs[i].Attributes;
}
var index = doc.AllInstanceDefinitions.Add(referencedBlock.Definition.Name, nested.Definition.Description,
Point3d.Origin, geos, attrs);
nameIndexDict.Add(referencedBlock.Definition.Name, index);
}
doc.Objects.AddInstanceObject(nameIndexDict[referencedBlock.Definition.Name],
referencedBlock.BlockInsertionParameters.InstanceXform);
}
}
return(doc.Write(filePath, RhinoApp.ExeVersion));
}
private void GetNestedBlocks()
{
NestedBlocks = new NestedBlock[InstanceDefinitions.Length];
for (int i = 0; i < NestedBlocks.Length; i++)
{
NestedBlocks[i] = new NestedBlock(InstanceDefinitions[i]);
//NestedBlocks[i].CreatePreviewImage(_active_doc);
}
}
public static Bitmap GeneratePreview(NestedBlock nested, RhinoDoc doc)
{
var view = doc.Views.ActiveView;
var viewCapture = new ViewCapture
{
Height = Settings.BlockManagerPreviewHeight,
Width = Settings.BlockManagerPreviewWidth
};
// store old settings
var cameraLocation = view.ActiveViewport.CameraLocation;
var cameraTarget = view.ActiveViewport.CameraTarget;
var cameraDirection = cameraTarget - cameraLocation;
var cameraUp = view.ActiveViewport.CameraUp;
var displayMode = view.ActiveViewport.DisplayMode;
view.ActiveViewport.NextViewProjection();
view.ActiveViewport.PushViewProjection();
view.ActiveViewport.SetProjection(Settings.BlockManagerPreviewProjection, null, false);
view.ActiveViewport.DisplayMode = Settings.BlockManagerPreviewDisplayModeDescription;
var conduit = new BlockPreviewConduit(nested);
conduit.Enabled = true;
doc.Views.RedrawEnabled = false;
var bb = conduit.GetReferenceBoundingBox();
bb.Inflate(0.8, 0.8, 0.8);
//view.ActiveViewport.SetCameraLocation(bb.Corner(true, true, true), false);
//view.ActiveViewport.SetCameraTarget(bb.Center, false);
view.ActiveViewport.ZoomBoundingBox(bb);
view.Redraw();
var image = viewCapture.CaptureToBitmap(view);
conduit.Enabled = false;
var prev = view.ActiveViewport.PreviousViewProjection();
//var popped = view.ActiveViewport.PopViewProjection();
view.ActiveViewport.CameraUp = cameraUp;
view.ActiveViewport.SetCameraLocation(cameraLocation, false);
view.ActiveViewport.SetCameraDirection(cameraDirection, false);
view.ActiveViewport.SetCameraTarget(cameraTarget, false);
view.ActiveViewport.DisplayMode = displayMode;
doc.Views.RedrawEnabled = true;
return(image);
}
public BlockPreviewConduit(NestedBlock nested)
{
if (nested.HasParent)
{
NestedBlock parent = nested.Parent;
int parentCount = 1;
while (parent.HasParent)
{
parent = parent.Parent;
parentCount += 1;
}
var references = parent.GetRootTree();
var activeIndex = nested.Parent.GetActiveIndex(nested);
MainReference = new ReferencedBlock(parent);
ActivePart = references[parentCount][activeIndex];
}
else
{
MainReference = new ReferencedBlock(nested);
}
}
public ReferencedBlock(NestedBlock nested)
{
Definition = nested.Definition;
BlockInsertionParameters = nested.RelativeInsertion;
}