From Alberto Luaces, "it seems a copy-paste error is present on the OBJ loader when parsing the

options given by the user. "noTesselateLargePolygons" is being activated
instead of "noTriStripPolygons". I'm attaching the fixed file."

src/osgPlugins/obj/ReaderWriterOBJ.cpp

@@ -700,7 +700,7 @@ osgDB::ReaderWriter::ReadResult ReaderWriterOBJ::readNode(const std::string& fil
             
             if (options->getOptionString() == "noTriStripPolygons")
             {
-                noTesselateLargePolygons = true;
+                noTriStripPolygons = true;
             }
         }