18 02 2004 Radu Ursu

- added in VRML_2_ostream << operators for
        - Point_3
        - Segment_3
        - Triangle_3
        - const char*
        - const double&
- created a small testsuite to test those operators.

Packages/Inventor/changes.txt

@@ -1,3 +1,12 @@
+18 02 2004 Radu Ursu
+- added in VRML_2_ostream << operators for 
+	- Point_3
+	- Segment_3
+	- Triangle_3
+	- const char*
+	- const double&
+- created a small testsuite to test those operators. 
+
 Ver 2.11 (22 Oct 2003)
 - new header
 

Packages/Inventor/include/CGAL/IO/VRML_2_ostream.h

@@ -89,6 +89,22 @@ private:
     std::ostream*  m_os;
 };
 
+VRML_2_ostream&
+operator<<(VRML_2_ostream& os,
+           const char* s)
+{
+  os.os() << s;
+  return os;
+}
+
+VRML_2_ostream&
+operator<<(VRML_2_ostream& os,
+           const double& d)
+{
+  os.os() << d;
+  return os;
+}
+
 CGAL_END_NAMESPACE
 
 #endif // CGAL_IO_VRML_2_OSTREAM_H
@@ -149,3 +165,120 @@ CGAL_END_NAMESPACE
 
 #endif // CGAL_IO_VRML_2_TETRAHEDRON_3
 #endif // CGAL_TETRAHEDRON_3_H
+
+#ifdef CGAL_POINT_3_H
+#ifndef CGAL_IO_VRML_2_POINT_3
+#define CGAL_IO_VRML_2_POINT_3
+
+CGAL_BEGIN_NAMESPACE
+
+template <class R >
+VRML_2_ostream&
+operator<<(VRML_2_ostream& os,
+           const Point_3<R > &p)
+{
+  const char *Indent = "                                    ";
+  os.os() << "        Group {\n"
+             "            children [\n"
+             "                Shape {\n"
+             "                    geometry\n"
+             "                        PointSet {\n"
+             "                            coord Coordinate {\n"
+             "                                point [ ";
+  os << CGAL::to_double(p.x()) << " " << CGAL::to_double(p.y()) 
+     << " " << CGAL::to_double(p.z()) << " ]\n";
+  os << Indent << "}\n";
+  os << Indent << "} # PointSet\n";
+  os << "                } #Shape\n"
+        "            ] #children\n"
+        "        } #Group\n";
+  return os;
+}
+
+CGAL_END_NAMESPACE
+
+#endif // CGAL_IO_VRML_2_POINT_3
+#endif // CGAL_POINT_3_H
+
+
+
+#ifdef CGAL_TRIANGLE_3_H
+#ifndef CGAL_IO_VRML_2_TRIANGLE_3
+#define CGAL_IO_VRML_2_TRIANGLE_3
+
+CGAL_BEGIN_NAMESPACE
+
+template <class R >
+VRML_2_ostream&
+operator<<(VRML_2_ostream& os,
+           const Triangle_3<R > &t)
+{
+  const char *Indent = "                                    ";
+  os.os() << "        Group {\n"
+             "            children [\n"
+             "                Shape {\n"
+             "                    geometry\n"
+             "                        IndexedLineSet {\n"
+             "                            coord Coordinate {\n"
+             "                                point [ \n";
+  os << Indent ;
+  os << CGAL::to_double(t[0].x()) << " " << CGAL::to_double(t[0].y()) 
+     << " " << CGAL::to_double(t[0].z()) << ",\n";
+  os << Indent;
+  os << CGAL::to_double(t[1].x()) << " " << CGAL::to_double(t[1].y()) 
+     << " " << CGAL::to_double(t[1].z()) << ",\n";
+  os << Indent;
+  os << CGAL::to_double(t[2].x()) << " " << CGAL::to_double(t[2].y()) 
+     << " " << CGAL::to_double(t[2].z()) << " ]\n";
+  os << Indent << "}\n" << Indent << "coordIndex [ 0 1, 1 2, 2 0 -1 ]\n";
+  os << Indent << "} # IndexedLineSet\n";
+  os << "                } #Shape\n"
+        "            ] #children\n"
+        "        } #Group\n";
+  return os;
+}
+
+CGAL_END_NAMESPACE
+
+#endif // CGAL_IO_VRML_2_TRIANGLE_3
+#endif // CGAL_TRIANGLE_3_H
+
+
+#ifdef CGAL_SEGMENT_3_H
+#ifndef CGAL_IO_VRML_2_SEGMENT_3
+#define CGAL_IO_VRML_2_SEGMENT_3
+
+CGAL_BEGIN_NAMESPACE
+
+template <class R >
+VRML_2_ostream&
+operator<<(VRML_2_ostream& os,
+           const Segment_3<R > &s)
+{
+  const char *Indent = "                                    ";
+  os.os() << "        Group {\n"
+             "            children [\n"
+             "                Shape {\n"
+             "                    geometry\n"
+             "                        IndexedLineSet {\n"
+             "                            coord Coordinate {\n"
+             "                                point [ \n";
+  os << Indent << CGAL::to_double(s.source().x());
+  os << " " << CGAL::to_double(s.source().y()) 
+     << " " << CGAL::to_double(s.source().z()) << ",\n";
+  os << Indent;
+  os << CGAL::to_double(s.target().x()) << " " << CGAL::to_double(s.target().y()) 
+     << " " << CGAL::to_double(s.target().z()) << " ]\n";
+  os << Indent << "}\n" << Indent << "coordIndex [ 0 1 -1 ]\n";
+  os << Indent << "} # IndexedLineSet\n";
+  os << "                } #Shape\n"
+        "            ] #children\n"
+        "        } #Group\n";
+
+  return os;
+}
+
+CGAL_END_NAMESPACE
+
+#endif // CGAL_IO_VRML_2_SEGMENT_3
+#endif // CGAL_SEGMENT_3_H

Packages/Inventor/test/Inventor/vrml2.C

@@ -0,0 +1,23 @@
+// examples/Inventor/VRML2.C
+// ----------------------------------------
+
+#include <CGAL/Simple_cartesian.h>
+#include <CGAL/IO/VRML_2_ostream.h>
+#include <iostream>
+
+typedef CGAL::Simple_cartesian<double>  Kernel;
+typedef CGAL::Point_3<Kernel>           Point;
+typedef CGAL::Segment_3<Kernel>         Segment;
+typedef CGAL::Triangle_3<Kernel>        Triangle;
+typedef CGAL::Tetrahedron_3<Kernel>     Tetrahedron;
+
+int main() {
+    Point p1(10, 15, 0), p2(0, 0, 0),
+      p3(-10, 0, -15), p4(15, 15, 15);
+    Segment s1(p1, p2);
+    Triangle t1(p1, p2, p3);
+    Tetrahedron tet1(p1, p2, p3, p4);
+    CGAL::VRML_2_ostream out( std::cout);
+    out << s1 << t1 << p1 << tet1;
+    return 0;
+}