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intelliphoto/docs-src/html/namespace_intelli_triangulation.html
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<div class="title">IntelliTriangulation Namespace Reference</div> </div>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:af9af549a7faff35a74c1265b290ea0ca"><td class="memItemLeft" align="right" valign="top">float&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="namespace_intelli_triangulation.html#af9af549a7faff35a74c1265b290ea0ca">sign</a> (QPoint &amp;p1, QPoint &amp;p2, QPoint &amp;p3)</td></tr>
<tr class="memdesc:af9af549a7faff35a74c1265b290ea0ca"><td class="mdescLeft">&#160;</td><td class="mdescRight">A function to get the 2*area of a traingle, using its determinat. <a href="namespace_intelli_triangulation.html#af9af549a7faff35a74c1265b290ea0ca">More...</a><br /></td></tr>
<tr class="separator:af9af549a7faff35a74c1265b290ea0ca"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ac150fee67fd41a451bd2592f10e00197"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="namespace_intelli_triangulation.html#ac150fee67fd41a451bd2592f10e00197">isInTriangle</a> (<a class="el" href="struct_triangle.html">Triangle</a> &amp;tri, QPoint &amp;P)</td></tr>
<tr class="memdesc:ac150fee67fd41a451bd2592f10e00197"><td class="mdescLeft">&#160;</td><td class="mdescRight">A function to check if a given point is in a triangle. <a href="namespace_intelli_triangulation.html#ac150fee67fd41a451bd2592f10e00197">More...</a><br /></td></tr>
<tr class="separator:ac150fee67fd41a451bd2592f10e00197"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:acdaf1ed598e868b25e9e06d580da32e5"><td class="memItemLeft" align="right" valign="top">std::vector&lt; <a class="el" href="struct_triangle.html">Triangle</a> &gt;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="namespace_intelli_triangulation.html#acdaf1ed598e868b25e9e06d580da32e5">calculateTriangles</a> (std::vector&lt; QPoint &gt; polyPoints)</td></tr>
<tr class="memdesc:acdaf1ed598e868b25e9e06d580da32e5"><td class="mdescLeft">&#160;</td><td class="mdescRight">A function to split a polygon in its spanning traingles by using Meisters Theorem of graph theory by clipping ears of a planar graph. <a href="namespace_intelli_triangulation.html#acdaf1ed598e868b25e9e06d580da32e5">More...</a><br /></td></tr>
<tr class="separator:acdaf1ed598e868b25e9e06d580da32e5"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ac276696f29d141ed34614c1c3b1c040f"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="namespace_intelli_triangulation.html#ac276696f29d141ed34614c1c3b1c040f">isInPolygon</a> (const std::vector&lt; <a class="el" href="struct_triangle.html">Triangle</a> &gt; &amp;triangles, QPoint &amp;point)</td></tr>
<tr class="memdesc:ac276696f29d141ed34614c1c3b1c040f"><td class="mdescLeft">&#160;</td><td class="mdescRight">A function to check if a point lies in a polygon by checking its spanning triangles. <a href="namespace_intelli_triangulation.html#ac276696f29d141ed34614c1c3b1c040f">More...</a><br /></td></tr>
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<h2 class="groupheader">Function Documentation</h2>
<a id="acdaf1ed598e868b25e9e06d580da32e5"></a>
<h2 class="memtitle"><span class="permalink"><a href="#acdaf1ed598e868b25e9e06d580da32e5">&#9670;&nbsp;</a></span>calculateTriangles()</h2>
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<td class="memname">std::vector&lt; <a class="el" href="struct_triangle.html">Triangle</a> &gt; IntelliTriangulation::calculateTriangles </td>
<td>(</td>
<td class="paramtype">std::vector&lt; QPoint &gt;&#160;</td>
<td class="paramname"><em>polyPoints</em></td><td>)</td>
<td></td>
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</div><div class="memdoc">
<p>A function to split a polygon in its spanning traingles by using Meisters Theorem of graph theory by clipping ears of a planar graph. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">polyPoints</td><td>- The Vertices of the polygon. </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>Returns a Container of disjoint Triangles, which desribe the polygon area. </dd></dl>
<p class="definition">Definition at line <a class="el" href="_intelli_triangulation_8cpp_source.html#l00007">7</a> of file <a class="el" href="_intelli_triangulation_8cpp_source.html">IntelliTriangulation.cpp</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#ac276696f29d141ed34614c1c3b1c040f">&#9670;&nbsp;</a></span>isInPolygon()</h2>
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<td class="memname">bool IntelliTriangulation::isInPolygon </td>
<td>(</td>
<td class="paramtype">const std::vector&lt; <a class="el" href="struct_triangle.html">Triangle</a> &gt; &amp;&#160;</td>
<td class="paramname"><em>triangles</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">QPoint &amp;&#160;</td>
<td class="paramname"><em>point</em>&#160;</td>
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<td></td>
<td>)</td>
<td></td><td></td>
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</div><div class="memdoc">
<p>A function to check if a point lies in a polygon by checking its spanning triangles. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">triangles</td><td>- The spanning triangles of the planar polygon. </td></tr>
<tr><td class="paramname">point</td><td>- The point to checl, if it lies in the polygon. </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>Returns true if the point lies in the üpolygon, otherwise false. </dd></dl>
<p class="definition">Definition at line <a class="el" href="_intelli_triangulation_8cpp_source.html#l00116">116</a> of file <a class="el" href="_intelli_triangulation_8cpp_source.html">IntelliTriangulation.cpp</a>.</p>
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<a id="ac150fee67fd41a451bd2592f10e00197"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ac150fee67fd41a451bd2592f10e00197">&#9670;&nbsp;</a></span>isInTriangle()</h2>
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<td class="memname">bool IntelliTriangulation::isInTriangle </td>
<td>(</td>
<td class="paramtype"><a class="el" href="struct_triangle.html">Triangle</a> &amp;&#160;</td>
<td class="paramname"><em>tri</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">QPoint &amp;&#160;</td>
<td class="paramname"><em>P</em>&#160;</td>
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<tr>
<td></td>
<td>)</td>
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<p>A function to check if a given point is in a triangle. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">tri</td><td>- The triangle to check, if it contains the point. </td></tr>
<tr><td class="paramname">P</td><td>- The point to check if it is in the triangle. </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>Returns true if the point is in the triangle, false otheriwse </dd></dl>
<p class="definition">Definition at line <a class="el" href="_intelli_triangulation_8h_source.html#l00036">36</a> of file <a class="el" href="_intelli_triangulation_8h_source.html">IntelliTriangulation.h</a>.</p>
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<a id="af9af549a7faff35a74c1265b290ea0ca"></a>
<h2 class="memtitle"><span class="permalink"><a href="#af9af549a7faff35a74c1265b290ea0ca">&#9670;&nbsp;</a></span>sign()</h2>
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<td class="memname">float IntelliTriangulation::sign </td>
<td>(</td>
<td class="paramtype">QPoint &amp;&#160;</td>
<td class="paramname"><em>p1</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">QPoint &amp;&#160;</td>
<td class="paramname"><em>p2</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">QPoint &amp;&#160;</td>
<td class="paramname"><em>p3</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
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</td>
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<span class="mlabels"><span class="mlabel">inline</span></span> </td>
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<p>A function to get the 2*area of a traingle, using its determinat. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">p1</td><td>- The Point to check its side. </td></tr>
<tr><td class="paramname">p2</td><td>- The first Point of the spanning Line </td></tr>
<tr><td class="paramname">p3</td><td>- The second Point of the spanning line. </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>Returns the area of the traingle*2 </dd></dl>
<p class="definition">Definition at line <a class="el" href="_intelli_triangulation_8h_source.html#l00026">26</a> of file <a class="el" href="_intelli_triangulation_8h_source.html">IntelliTriangulation.h</a>.</p>
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