public Result Execute(
ExternalCommandData commandData,
ref string message,
ElementSet elements)
{
UIApplication app = commandData.Application;
Document doc = app.ActiveUIDocument.Document;
using( Transaction trans = new Transaction( doc ) )
{
trans.Start( "Place views" );
View frontView = doc.GetElement( new ElementId( 180041 ) ) as View;
View leftView = doc.GetElement( new ElementId( 180032 ) ) as View;
AssemblyInstance assemblyInst = doc.GetElement( new ElementId( 179915 ) ) as AssemblyInstance;
ViewSheet vSheet = doc.GetElement( new ElementId( 180049 ) ) as ViewSheet;
// Assume that the scale is the same for both views
int scale = frontView.Scale;
leftView.Scale = scale;
// Save current crop box values
BoundingBoxXYZ savedBoxFront = null, savedBoxLeft = null;
bool frontCropActive, frontCropVisible, leftCropActive, leftCropVisible;
double farClipFront = 0, farClipLeft = 0;
Parameter param;
Transform transformFront = frontView.CropBox.Transform;
Transform transformLeft = leftView.CropBox.Transform;
// Save old values. I have to store the farclip and reset it later
savedBoxFront = frontView.CropBox;
frontCropActive = frontView.CropBoxActive;
frontCropVisible = frontView.CropBoxVisible;
param = frontView.get_Parameter( _bipFarOffset );
if( param != null )
{
farClipFront = param.AsDouble();
}
savedBoxLeft = leftView.CropBox;
leftCropActive = leftView.CropBoxActive;
leftCropVisible = leftView.CropBoxVisible;
param = leftView.get_Parameter( _bipFarOffset );
if( param != null )
{
farClipLeft = param.AsDouble();
}
// Here my approach differs from yours.
// I'm starting from the old bounding box to
// ensure that I get the correct transformation.
// I tried to create a new Transformation but
// this didn't work.
BoundingBoxXYZ newBoxFront = frontView.CropBox;
newBoxFront.set_MinEnabled( 0, true );
newBoxFront.set_MinEnabled( 1, true );
newBoxFront.set_MinEnabled( 2, true );
newBoxFront.Min = new XYZ( -2000, -2000, 0 );
newBoxFront.set_MaxEnabled( 0, true );
newBoxFront.set_MaxEnabled( 1, true );
newBoxFront.set_MaxEnabled( 2, true );
newBoxFront.Max = new XYZ( 2000, 2000, 0 );
BoundingBoxXYZ newBoxLeft = leftView.CropBox;
newBoxLeft.set_MinEnabled( 0, true );
newBoxLeft.set_MinEnabled( 1, true );
newBoxLeft.set_MinEnabled( 2, true );
newBoxLeft.Min = new XYZ( -2000, -2000, 0 );
newBoxLeft.set_MaxEnabled( 0, true );
newBoxLeft.set_MaxEnabled( 1, true );
newBoxLeft.set_MaxEnabled( 2, true );
newBoxLeft.Max = new XYZ( 2000, 2000, 0 );
frontView.CropBox = newBoxFront;
leftView.CropBox = newBoxLeft;
doc.Regenerate();
frontView.CropBoxActive = true;
leftView.CropBoxActive = true;
doc.Regenerate();
ElementId vid = vSheet.Id;
XYZ p = XYZ.Zero;
var vpFront = Viewport.Create( doc, vid, frontView.Id, p );
var vpLeft = Viewport.Create( doc, vid, leftView.Id, p );
doc.Regenerate();
// Align lower left - works
// because crop boxes are same
Outline outline1 = vpFront.GetBoxOutline();
Outline outline2 = vpLeft.GetBoxOutline();
XYZ min1 = outline1.MinimumPoint;
XYZ min2 = outline2.MinimumPoint;
XYZ diffToMove = min1 - min2;
ElementTransformUtils.MoveElement( doc, vpLeft.Id, diffToMove );
// Tranform the view such that the origin
// of the assemblyInstance for each view is
// on the middle of the sheet
// 1) Move the views such that the assembly
// Origin lies on the same on the origin of sheet
p = assemblyInst.GetTransform().Origin;
XYZ v = transformFront.Origin - p;
XYZ translation = new XYZ(
v.DotProduct( transformFront.BasisX ),
v.DotProduct( transformFront.BasisY ), 0 )
/ scale;
ElementTransformUtils.MoveElement( doc, vpFront.Id, translation );
v = transformLeft.Origin - p;
translation = new XYZ(
v.DotProduct( transformLeft.BasisX ),
v.DotProduct( transformLeft.BasisY ), 0 )
/ scale;
ElementTransformUtils.MoveElement( doc, vpLeft.Id, translation );
// 2) Move the views such that the assembly
// origin lies on the center of the sheet
double width = 840 * 0.0032808399;
double height = 594 * 0.0032808399;
XYZ sheetMidpoint = ( vSheet.Origin + XYZ.BasisX * width + XYZ.BasisY * height ) / 2.0;
ElementTransformUtils.MoveElement( doc, vpFront.Id, sheetMidpoint );
ElementTransformUtils.MoveElement( doc, vpLeft.Id, sheetMidpoint );
// Once the views are on the middle, move the
// left view to the left of the front view:
// Do the correct translations to suit the
// defined layout
translation = XYZ.BasisX * (
-( ( outline1.MinimumPoint.X - outline1.MinimumPoint.X )
/ 2 + ( outline2.MinimumPoint.X - outline2.MinimumPoint.X ) + 1 ) );
ElementTransformUtils.MoveElement( doc, vpLeft.Id, translation );
doc.Regenerate();
// Restore view crop boxes
frontView.CropBox = savedBoxFront;
frontView.CropBoxActive = frontCropActive;
frontView.CropBoxVisible = frontCropVisible;
param = frontView.get_Parameter( _bipFarOffset );
if( param != null )
{
param.Set( farClipFront );
}
leftView.CropBox = savedBoxLeft;
leftView.CropBoxActive = leftCropActive;
leftView.CropBoxVisible = leftCropVisible;
param = leftView.get_Parameter( _bipFarOffset );
if( param != null )
{
param.Set( farClipLeft );
}
trans.Commit();
}
return Result.Succeeded;
}
