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RhinoViewportPopViewProjection Method

Sets the view projection and target to the settings at the top of the view stack and removes those settings from the view stack.

Namespace:  Rhino.Display
Assembly:  RhinoCommon (in RhinoCommon.dll)
Since: 5.0
public bool PopViewProjection()

Return Value

Type: Boolean
true if there were settings that could be popped from the stack.
partial class Examples
  public static Rhino.Commands.Result AddNamedView(Rhino.RhinoDoc doc)
    Rhino.Display.RhinoView view;
    Rhino.Commands.Result rc = Rhino.Input.RhinoGet.GetView("Select view to adjust", out view);
    if (rc != Rhino.Commands.Result.Success)
      return rc;

    Rhino.Geometry.Point3d location;
    rc = Rhino.Input.RhinoGet.GetPoint("Camera Location", false, out location);
    if (rc != Rhino.Commands.Result.Success)
      return rc;

    Rhino.Input.Custom.GetPoint gp = new Rhino.Input.Custom.GetPoint();
    gp.SetCommandPrompt("Look At Location");
    gp.DrawLineFromPoint(location, false);
    if (gp.CommandResult() != Rhino.Commands.Result.Success)
      return gp.CommandResult();
    Rhino.Geometry.Point3d lookat = gp.Point();

    string name = view.ActiveViewport.Name;
    rc = Rhino.Input.RhinoGet.GetString("Name", true, ref name);
    if (rc != Rhino.Commands.Result.Success)
      return rc;

    Rhino.Display.RhinoViewport vp = view.ActiveViewport;
    // save the current viewport projection
    vp.CameraUp = Rhino.Geometry.Vector3d.ZAxis;
    vp.SetCameraLocation(location, false);
    vp.SetCameraDirection(lookat - location, true);
    vp.Name = name;

    doc.NamedViews.Add(name, vp.Id);
    return Rhino.Commands.Result.Success;
import Rhino
import scriptcontext
import System.Guid

def AddNamedView():
    rc, view = Rhino.Input.RhinoGet.GetView("Select view to adjust")
    if rc!=Rhino.Commands.Result.Success: return rc

    rc, location = Rhino.Input.RhinoGet.GetPoint("Camera Location", False)
    if rc!=Rhino.Commands.Result.Success: return rc

    gp = Rhino.Input.Custom.GetPoint()
    gp.SetCommandPrompt("Look At Location")
    gp.DrawLineFromPoint(location, False)
    if gp.CommandResult()!=Rhino.Commands.Result.Success:
        return gp.CommandResult()
    lookat = gp.Point()

    name = view.ActiveViewport.Name
    rc, name = Rhino.Input.RhinoGet.GetString("Name", True, name)
    if rc!=Rhino.Commands.Result.Success: return rc

    vp = view.ActiveViewport
    # save the current viewport projection
    vp.CameraUp = Rhino.Geometry.Vector3d.ZAxis
    vp.SetCameraLocation(location, False)
    vp.SetCameraDirection(lookat - location, True)
    vp.Name = name

    scriptcontext.doc.NamedViews.Add(name, vp.Id)
    return Rhino.Commands.Result.Success

if __name__=="__main__":
See Also