From e4b13f2ef0148d1704d1af194c738701652584b5 Mon Sep 17 00:00:00 2001
From: ozantonkal <ozantonkal@gmail.com>
Date: Tue, 27 Aug 2013 20:09:54 +0200
Subject: [PATCH] update reader after setting file name

---
 modules/viz/src/widget.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/modules/viz/src/widget.cpp b/modules/viz/src/widget.cpp
index 485e35ed74..ba21b67855 100644
--- a/modules/viz/src/widget.cpp
+++ b/modules/viz/src/widget.cpp
@@ -17,6 +17,7 @@ cv::viz::Widget cv::viz::Widget::fromPlyFile(const String &file_name)
 {
     vtkSmartPointer<vtkPLYReader> reader = vtkSmartPointer<vtkPLYReader>::New ();
     reader->SetFileName (file_name.c_str ());
+    reader->Update();
     
     vtkSmartPointer<vtkDataSet> data = reader->GetOutput();
     CV_Assert(data);