From fcac11ba43053de860445321cc4db03721f5791e Mon Sep 17 00:00:00 2001
From: Sam Horvath <sam.horvath@kitware.com>
Date: Fri, 10 Apr 2026 14:25:16 -0400
Subject: [PATCH] COMP: VTK 9.6 Build Fix - Fix iostream include hygiene

Add missing #include <iostream> and qualify bare cout/endl with std::
in surfacefeaturesextractor.cxx to fix implicit iostream dependency.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
---
 CLI/ComputeMeanShapes/computeMean.hxx                     | 2 ++
 CLI/SurfaceFeaturesExtractor/surfacefeaturesextractor.cxx | 3 ++-
 CLI/SurfaceFeaturesExtractor/surfacefeaturesextractor.hxx | 1 +
 3 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/CLI/ComputeMeanShapes/computeMean.hxx b/CLI/ComputeMeanShapes/computeMean.hxx
index da0d195..28e1538 100644
--- a/CLI/ComputeMeanShapes/computeMean.hxx
+++ b/CLI/ComputeMeanShapes/computeMean.hxx
@@ -1,5 +1,7 @@
 #include "computeMean.h"
 
+#include <iostream>
+
 
 
 vtkStandardNewMacro(ComputeMean);
diff --git a/CLI/SurfaceFeaturesExtractor/surfacefeaturesextractor.cxx b/CLI/SurfaceFeaturesExtractor/surfacefeaturesextractor.cxx
index e6ba94a..2089ec1 100644
--- a/CLI/SurfaceFeaturesExtractor/surfacefeaturesextractor.cxx
+++ b/CLI/SurfaceFeaturesExtractor/surfacefeaturesextractor.cxx
@@ -4,6 +4,7 @@
 #include <vtkPolyDataReader.h>
 #include <vtkPolyDataWriter.h>
 
+#include <iostream>
 #include <iterator>
 
 
@@ -12,7 +13,7 @@ int main (int argc, char *argv[])
 	PARSE_ARGS;
     
     if(inputMesh.compare("") == 0){
-        cout<<"type --help to learn how to use this program."<<endl;
+        std::cout<<"type --help to learn how to use this program."<<std::endl;
         return 1;
     }
 
diff --git a/CLI/SurfaceFeaturesExtractor/surfacefeaturesextractor.hxx b/CLI/SurfaceFeaturesExtractor/surfacefeaturesextractor.hxx
index f725f64..ef63e13 100644
--- a/CLI/SurfaceFeaturesExtractor/surfacefeaturesextractor.hxx
+++ b/CLI/SurfaceFeaturesExtractor/surfacefeaturesextractor.hxx
@@ -1,5 +1,6 @@
 #include "surfacefeaturesextractor.h"
 #include <vtkDoubleArray.h>
+#include <iostream>
 #include <sstream>
 #include <vtkObjectFactory.h>