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<div class="headertitle"><div class="title">Polyhedron/polyhedron_prog_incr_builder.cpp</div></div>
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<div class="fragment"><div class="line"><span class="preprocessor">#include <CGAL/Simple_cartesian.h></span></div>
<div class="line"><span class="preprocessor">#include <CGAL/Polyhedron_incremental_builder_3.h></span></div>
<div class="line"><span class="preprocessor">#include <CGAL/Polyhedron_3.h></span></div>
<div class="line"><span class="preprocessor">#include <cassert></span></div>
<div class="line"> </div>
<div class="line"><span class="comment">// A modifier creating a triangle with the incremental builder.</span></div>
<div class="line"><span class="keyword">template</span> <<span class="keyword">class</span> HDS></div>
<div class="line"><span class="keyword">class </span>Build_triangle : <span class="keyword">public</span> <a id="_a0" name="_a0"></a><a class="code hl_classRef" href="../Miscellany/classCGAL_1_1Modifier__base.html">CGAL::Modifier_base</a><HDS> {</div>
<div class="line"><span class="keyword">public</span>:</div>
<div class="line"> Build_triangle() {}</div>
<div class="line"> <span class="keywordtype">void</span> <a id="a1" name="a1"></a><a class="code hl_functionRef" href="../Miscellany/classCGAL_1_1Modifier__base.html#a08a0a229b834229b3d35c8fb122cb488">operator()</a>( HDS& hds) {</div>
<div class="line"> <span class="comment">// Postcondition: hds is a valid polyhedral surface.</span></div>
<div class="line"> <a id="_a2" name="_a2"></a><a class="code hl_class" href="classCGAL_1_1Polyhedron__incremental__builder__3.html">CGAL::Polyhedron_incremental_builder_3<HDS></a> B( hds, <span class="keyword">true</span>);</div>
<div class="line"> B.<a id="a3" name="a3"></a><a class="code hl_function" href="classCGAL_1_1Polyhedron__incremental__builder__3.html#a925a593ae76f78a4f41d7784bba91af6">begin_surface</a>( 3, 1, 6);</div>
<div class="line"> <span class="keyword">typedef</span> <span class="keyword">typename</span> HDS::Vertex Vertex;</div>
<div class="line"> <span class="keyword">typedef</span> <span class="keyword">typename</span> Vertex::Point Point;</div>
<div class="line"> B.<a id="a4" name="a4"></a><a class="code hl_function" href="classCGAL_1_1Polyhedron__incremental__builder__3.html#abc6f512872df9509a0393d9fcd4fa2e8">add_vertex</a>( Point( 0, 0, 0));</div>
<div class="line"> B.<a class="code hl_function" href="classCGAL_1_1Polyhedron__incremental__builder__3.html#abc6f512872df9509a0393d9fcd4fa2e8">add_vertex</a>( Point( 1, 0, 0));</div>
<div class="line"> B.<a class="code hl_function" href="classCGAL_1_1Polyhedron__incremental__builder__3.html#abc6f512872df9509a0393d9fcd4fa2e8">add_vertex</a>( Point( 0, 1, 0));</div>
<div class="line"> B.<a id="a5" name="a5"></a><a class="code hl_function" href="classCGAL_1_1Polyhedron__incremental__builder__3.html#a36e32e762d26786afb8cbf3c4d4a9ebd">begin_facet</a>();</div>
<div class="line"> B.<a id="a6" name="a6"></a><a class="code hl_function" href="classCGAL_1_1Polyhedron__incremental__builder__3.html#a2fdeee856c6746314d1c9c4851e404c5">add_vertex_to_facet</a>( 0);</div>
<div class="line"> B.<a class="code hl_function" href="classCGAL_1_1Polyhedron__incremental__builder__3.html#a2fdeee856c6746314d1c9c4851e404c5">add_vertex_to_facet</a>( 1);</div>
<div class="line"> B.<a class="code hl_function" href="classCGAL_1_1Polyhedron__incremental__builder__3.html#a2fdeee856c6746314d1c9c4851e404c5">add_vertex_to_facet</a>( 2);</div>
<div class="line"> B.<a id="a7" name="a7"></a><a class="code hl_function" href="classCGAL_1_1Polyhedron__incremental__builder__3.html#a24a3c6a73111e1171bb23b6e75f8ee73">end_facet</a>();</div>
<div class="line"> B.<a id="a8" name="a8"></a><a class="code hl_function" href="classCGAL_1_1Polyhedron__incremental__builder__3.html#a51c4d472aec12c4ad5d41e0695d91ead">end_surface</a>();</div>
<div class="line"> }</div>
<div class="line">};</div>
<div class="line"> </div>
<div class="line"><span class="keyword">typedef</span> <a id="_a9" name="_a9"></a><a class="code hl_structRef" href="../Kernel_23/structCGAL_1_1Simple__cartesian.html">CGAL::Simple_cartesian<double></a> <a class="code hl_namespaceRef" href="../Kernel_23/namespaceKernel.html">Kernel</a>;</div>
<div class="line"><span class="keyword">typedef</span> <a id="_a10" name="_a10"></a><a class="code hl_class" href="classCGAL_1_1Polyhedron__3.html">CGAL::Polyhedron_3<Kernel></a> Polyhedron;</div>
<div class="line"><span class="keyword">typedef</span> Polyhedron::HalfedgeDS <a id="_a11" name="_a11"></a><a class="code hl_classRef" href="../HalfedgeDS/classHalfedgeDS.html">HalfedgeDS</a>;</div>
<div class="line"> </div>
<div class="line"><span class="keywordtype">int</span> main() {</div>
<div class="line"> Polyhedron P;</div>
<div class="line"> Build_triangle<HalfedgeDS> triangle;</div>
<div class="line"> P.delegate( triangle);</div>
<div class="line"> assert( P.is_triangle( P.halfedges_begin()));</div>
<div class="line"> <span class="keywordflow">return</span> 0;</div>
<div class="line">}</div>
<div class="ttc" id="aclassCGAL_1_1Modifier__base_html"><div class="ttname"><a href="../Miscellany/classCGAL_1_1Modifier__base.html">CGAL::Modifier_base</a></div></div>
<div class="ttc" id="aclassCGAL_1_1Modifier__base_html_a08a0a229b834229b3d35c8fb122cb488"><div class="ttname"><a href="../Miscellany/classCGAL_1_1Modifier__base.html#a08a0a229b834229b3d35c8fb122cb488">CGAL::Modifier_base::operator()</a></div><div class="ttdeci">virtual void operator()(R &rep)</div></div>
<div class="ttc" id="aclassCGAL_1_1Polyhedron__3_html"><div class="ttname"><a href="classCGAL_1_1Polyhedron__3.html">CGAL::Polyhedron_3</a></div><div class="ttdoc">A polyhedral surface Polyhedron_3 consists of vertices V, edges E, facets F and an incidence relation...</div><div class="ttdef"><b>Definition:</b> Polyhedron_3.h:113</div></div>
<div class="ttc" id="aclassCGAL_1_1Polyhedron__incremental__builder__3_html"><div class="ttname"><a href="classCGAL_1_1Polyhedron__incremental__builder__3.html">CGAL::Polyhedron_incremental_builder_3</a></div><div class="ttdoc">The auxiliary class Polyhedron_incremental_builder_3 supports the incremental construction of polyhed...</div><div class="ttdef"><b>Definition:</b> Polyhedron_incremental_builder_3.h:62</div></div>
<div class="ttc" id="aclassCGAL_1_1Polyhedron__incremental__builder__3_html_a24a3c6a73111e1171bb23b6e75f8ee73"><div class="ttname"><a href="classCGAL_1_1Polyhedron__incremental__builder__3.html#a24a3c6a73111e1171bb23b6e75f8ee73">CGAL::Polyhedron_incremental_builder_3::end_facet</a></div><div class="ttdeci">Halfedge_handle end_facet()</div><div class="ttdoc">ends a newly constructed facet.</div></div>
<div class="ttc" id="aclassCGAL_1_1Polyhedron__incremental__builder__3_html_a2fdeee856c6746314d1c9c4851e404c5"><div class="ttname"><a href="classCGAL_1_1Polyhedron__incremental__builder__3.html#a2fdeee856c6746314d1c9c4851e404c5">CGAL::Polyhedron_incremental_builder_3::add_vertex_to_facet</a></div><div class="ttdeci">void add_vertex_to_facet(size_type i)</div><div class="ttdoc">adds a vertex with index i to the current facet.</div></div>
<div class="ttc" id="aclassCGAL_1_1Polyhedron__incremental__builder__3_html_a36e32e762d26786afb8cbf3c4d4a9ebd"><div class="ttname"><a href="classCGAL_1_1Polyhedron__incremental__builder__3.html#a36e32e762d26786afb8cbf3c4d4a9ebd">CGAL::Polyhedron_incremental_builder_3::begin_facet</a></div><div class="ttdeci">Facet_handle begin_facet()</div><div class="ttdoc">starts a new facet and returns its handle.</div></div>
<div class="ttc" id="aclassCGAL_1_1Polyhedron__incremental__builder__3_html_a51c4d472aec12c4ad5d41e0695d91ead"><div class="ttname"><a href="classCGAL_1_1Polyhedron__incremental__builder__3.html#a51c4d472aec12c4ad5d41e0695d91ead">CGAL::Polyhedron_incremental_builder_3::end_surface</a></div><div class="ttdeci">void end_surface()</div><div class="ttdoc">ends the construction.</div></div>
<div class="ttc" id="aclassCGAL_1_1Polyhedron__incremental__builder__3_html_a925a593ae76f78a4f41d7784bba91af6"><div class="ttname"><a href="classCGAL_1_1Polyhedron__incremental__builder__3.html#a925a593ae76f78a4f41d7784bba91af6">CGAL::Polyhedron_incremental_builder_3::begin_surface</a></div><div class="ttdeci">void begin_surface(size_type v, size_type f, size_type h=0, int mode=RELATIVE_INDEXING)</div><div class="ttdoc">starts the construction.</div></div>
<div class="ttc" id="aclassCGAL_1_1Polyhedron__incremental__builder__3_html_abc6f512872df9509a0393d9fcd4fa2e8"><div class="ttname"><a href="classCGAL_1_1Polyhedron__incremental__builder__3.html#abc6f512872df9509a0393d9fcd4fa2e8">CGAL::Polyhedron_incremental_builder_3::add_vertex</a></div><div class="ttdeci">Vertex_handle add_vertex(const Point_3 &p)</div><div class="ttdoc">adds a new vertex for p and returns its handle.</div></div>
<div class="ttc" id="aclassHalfedgeDS_html"><div class="ttname"><a href="../HalfedgeDS/classHalfedgeDS.html">HalfedgeDS</a></div></div>
<div class="ttc" id="anamespaceKernel_html"><div class="ttname"><a href="../Kernel_23/namespaceKernel.html">Kernel</a></div></div>
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