private XYZ CalculateTarget(DB.View3D view, XYZ forward)
{
var target = view.Origin.Add(forward * (view.CropBox.Max.Z - view.CropBox.Min.Z));
var targetElevation = view.get_Parameter(BuiltInParameter.VIEWER_TARGET_ELEVATION).AsDouble();
if (target.Z != targetElevation) // check if target matches stored elevation
{
double magnitude = (targetElevation - view.Origin.Z) / forward.Z;
target = view.Origin.Add(forward * magnitude);
}
return(target);
}
public DB.View ViewToNative(View3D speckleView)
{
// get view3d type
ViewFamilyType viewType = new FilteredElementCollector(Doc)
.WhereElementIsElementType().OfClass(typeof(ViewFamilyType))
.ToElements().Cast <ViewFamilyType>()
.Where(o => o.ViewFamily == ViewFamily.ThreeDimensional)
.FirstOrDefault();
// get orientation
var up = new XYZ(speckleView.upDirection.x, speckleView.upDirection.y, speckleView.upDirection.z).Normalize(); //unit vector
var forward = new XYZ(speckleView.forwardDirection.x, speckleView.forwardDirection.y, speckleView.forwardDirection.z).Normalize();
if (Math.Round(up.DotProduct(forward), 3) != 0) // will throw error if vectors are not perpendicular
{
return(null);
}
var orientation = new ViewOrientation3D(PointToNative(speckleView.origin), up, forward);
// create view
var docObj = GetExistingElementByApplicationId(speckleView.applicationId);
DB.View3D view = null;
if (speckleView.isOrthogonal)
{
view = DB.View3D.CreateIsometric(Doc, viewType.Id);
}
else
{
view = DB.View3D.CreatePerspective(Doc, viewType.Id);
}
// set props
view.SetOrientation(orientation);
view.SaveOrientationAndLock();
if (view != null && view.IsValidObject)
{
SetInstanceParameters(view, speckleView);
}
view = SetViewParams(view, speckleView);
// set name last due to duplicate name errors
view.Name = EditViewName(speckleView.name, "SpeckleView");
return(view);
}
private DB.View3D SetViewParams(DB.View3D view, Base speckleView)
{
// display
var display = speckleView["display"] as string;
if (display != null)
{
var style = Enum.Parse(typeof(DisplayStyle), display);
view.DisplayStyle = (style != null) ? (DisplayStyle)style : DisplayStyle.Wireframe;
}
// crop
var crop = speckleView["cropped"] as string;
if (crop != null)
{
if (bool.TryParse(crop, out bool IsCropped))
{
view.CropBoxActive = IsCropped;
}
}
return(view);
}
