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RhinoViewportZoomExtents Method
Dollies the camera location and so that the view frustum contains all of the selected document objects that can be seen in view. If the projection is perspective, the camera angle is not changed.

Namespace: Rhino.Display
Assembly: RhinoCommon (in RhinoCommon.dll) Version: 5.1.50000.0 (5.0.20693.0)
Syntax
public bool ZoomExtents()

Return Value

Type: Boolean
true if successful.
Examples
partial class Examples
{
  /// <summary>
  /// Generate a layout with a single detail view that zooms to a list of objects
  /// </summary>
  /// <param name="doc"></param>
  /// <returns></returns>
  public static Rhino.Commands.Result AddLayout(Rhino.RhinoDoc doc)
  {
    doc.PageUnitSystem = Rhino.UnitSystem.Millimeters;
    var page_views = doc.Views.GetPageViews();
    int page_number = (page_views==null) ? 1 : page_views.Length + 1;
    var pageview = doc.Views.AddPageView(string.Format("A0_{0}",page_number), 1189, 841);
    if( pageview!=null )
    {
      Rhino.Geometry.Point2d top_left = new Rhino.Geometry.Point2d(20,821);
      Rhino.Geometry.Point2d bottom_right = new Rhino.Geometry.Point2d(1169, 20);
      var detail = pageview.AddDetailView("ModelView", top_left, bottom_right, Rhino.Display.DefinedViewportProjection.Top);
      if (detail != null)
      {
        pageview.SetActiveDetail(detail.Id);
        detail.Viewport.ZoomExtents();
        detail.DetailGeometry.IsProjectionLocked = true;
        detail.DetailGeometry.SetScale(1, doc.ModelUnitSystem, 10, doc.PageUnitSystem);
        // Commit changes tells the document to replace the document's detail object
        // with the modified one that we just adjusted
        detail.CommitChanges();
      }
      pageview.SetPageAsActive();
      doc.Views.ActiveView = pageview;
      doc.Views.Redraw();
      return Rhino.Commands.Result.Success;
    }
    return Rhino.Commands.Result.Failure;
  }
}
import Rhino
import scriptcontext

# Generate a layout with a single detail view that zooms
# to a list of objects
def AddLayout():
    scriptcontext.doc.PageUnitSystem = Rhino.UnitSystem.Millimeters
    page_views = scriptcontext.doc.Views.GetPageViews()
    page_number = 1
    if page_views: page_number = len(page_views) + 1
    pageview = scriptcontext.doc.Views.AddPageView("A0_{0}".format(page_number), 1189, 841)
    if pageview:
        top_left = Rhino.Geometry.Point2d(20,821)
        bottom_right = Rhino.Geometry.Point2d(1169, 20)
        detail = pageview.AddDetailView("ModelView", top_left, bottom_right, Rhino.Display.DefinedViewportProjection.Top)
        if detail:
            pageview.SetActiveDetail(detail.Id)
            detail.Viewport.ZoomExtents()
            detail.DetailGeometry.IsProjectionLocked = True
            detail.DetailGeometry.SetScale(1, scriptcontext.doc.ModelUnitSystem, 10, scriptcontext.doc.PageUnitSystem)
            # Commit changes tells the document to replace the document's detail object
            # with the modified one that we just adjusted
            detail.CommitChanges()
        pageview.SetPageAsActive()
        scriptcontext.doc.Views.ActiveView = pageview
        scriptcontext.doc.Views.Redraw()

if __name__=="__main__":
    AddLayout()
See Also