public static bool IntersectsBoundingBox(
this View view,
BoundingBoxXYZ targetBoundingBox)
{
Document doc = view.Document;
var viewBoundingBox = view.CropBox;
if( !view.CropBoxActive )
{
using( Transaction tr = new Transaction( doc ) )
{
//If the cropbox is not active we can't
//extract the boundingbox (we rollback so we
//don't change anything and also increase
//performance)
tr.Start( "Temp" );
view.CropBoxActive = true;
viewBoundingBox = view.CropBox;
tr.RollBack();
}
}
Outline viewOutline = null;
if( view is ViewPlan )
{
var viewRange = ( view as ViewPlan ).GetViewRange();
//We need to change the boundingbox Z-values because
//they are not correct (for some reason).
var bottomXYZ = ( doc.GetElement( viewRange
.GetLevelId( PlanViewPlane.BottomClipPlane ) )
as Level ).Elevation
+ viewRange.GetOffset( PlanViewPlane.BottomClipPlane );
var topXYZ = ( doc.GetElement( viewRange
.GetLevelId( PlanViewPlane.CutPlane ) )
as Level ).Elevation
+ viewRange.GetOffset( PlanViewPlane.CutPlane );
viewOutline = new Outline( new XYZ(
viewBoundingBox.Min.X, viewBoundingBox.Min.Y,
bottomXYZ ), new XYZ( viewBoundingBox.Max.X,
viewBoundingBox.Max.Y, topXYZ ) );
}
//this is where I try to handle viewsections.
//But I can't get it to work!!
if( !viewBoundingBox.Transform.BasisY.IsAlmostEqualTo(
XYZ.BasisY ) )
{
viewOutline = new Outline(
new XYZ( viewBoundingBox.Min.X,
viewBoundingBox.Min.Z, viewBoundingBox.Min.Y ),
new XYZ( viewBoundingBox.Max.X,
viewBoundingBox.Max.Z, viewBoundingBox.Max.Y ) );
}
using( var boundingBoxAsOutline = new Outline(
targetBoundingBox.Min, targetBoundingBox.Max ) )
{
return boundingBoxAsOutline.Intersects(
viewOutline, 0 );
}
}
