classdpolygon2.html

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<p>
Multiplies (scales) all the coordinates of the polygon.     </td>
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<a class="anchor" name="f9282fd854e15fd4af2910fde29d2f7e"></a><!-- doxytag: member="DPolygon2::NearestPoint" ref="f9282fd854e15fd4af2910fde29d2f7e" args="(const DPoint2 &amp;Point, int &amp;iIndex, double &amp;dist) const " --><p>
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          <td class="md" nowrap valign="top">void DPolygon2::NearestPoint           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">const <a class="el" href="classDPoint2.html">DPoint2</a> &amp;&nbsp;</td>
          <td class="mdname" nowrap> <em>Point</em>, </td>
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          <td class="md" nowrap align="right"></td>
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          <td class="md" nowrap>int &amp;&nbsp;</td>
          <td class="mdname" nowrap> <em>iIndex</em>, </td>
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          <td class="md" nowrap>double &amp;&nbsp;</td>
          <td class="mdname" nowrap> <em>dClosest</em></td>
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          <td class="md">)&nbsp;</td>
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<p>
Return the nearest point (of the points which make up the line). This is not the same as the closest place on the line, which may lie between the defining points; use NearestSegment to find that.<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
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    <tr><td valign="top"></td><td valign="top"><em>Point</em>&nbsp;</td><td>The input point. </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>iIndex</em>&nbsp;</td><td>Index of the first point of the nearest line segment. </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>dClosest</em>&nbsp;</td><td>Distance from the <a class="el" href="classDLine2.html">DLine2</a> to the input point. </td></tr>
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<a class="anchor" name="79f842758f6342a52d8775edd3f099e5"></a><!-- doxytag: member="DPolygon2::NearestSegment" ref="79f842758f6342a52d8775edd3f099e5" args="(const DPoint2 &amp;Point, int &amp;iIndex, double &amp;dist, DPoint2 &amp;Intersection) const " --><p>
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          <td class="md" nowrap valign="top">bool DPolygon2::NearestSegment           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">const <a class="el" href="classDPoint2.html">DPoint2</a> &amp;&nbsp;</td>
          <td class="mdname" nowrap> <em>Point</em>, </td>
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          <td class="md" nowrap align="right"></td>
          <td class="md"></td>
          <td class="md" nowrap>int &amp;&nbsp;</td>
          <td class="mdname" nowrap> <em>iIndex</em>, </td>
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          <td class="md" nowrap align="right"></td>
          <td class="md"></td>
          <td class="md" nowrap>double &amp;&nbsp;</td>
          <td class="mdname" nowrap> <em>dist</em>, </td>
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          <td class="md" nowrap align="right"></td>
          <td class="md"></td>
          <td class="md" nowrap><a class="el" href="classDPoint2.html">DPoint2</a> &amp;&nbsp;</td>
          <td class="mdname" nowrap> <em>Intersection</em></td>
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          <td class="md">)&nbsp;</td>
          <td class="md" colspan="2"> const</td>
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<p>
Returns the location of the closest point on the polygon to a given point.<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td valign="top"></td><td valign="top"><em>Point</em>&nbsp;</td><td>The input point. </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>iIndex</em>&nbsp;</td><td>Index of the first point of the nearest line segment. </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>dist</em>&nbsp;</td><td>Distance from the DPolygon2 to the input point. </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>Intersection</em>&nbsp;</td><td>The closest point on the DPolygon2.</td></tr>
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<dl compact><dt><b>Returns:</b></dt><dd>True if a closest point was found. </dd></dl>
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<a class="anchor" name="53911227415ef5c5b4a6f91072785276"></a><!-- doxytag: member="DPolygon2::RemovePoint" ref="53911227415ef5c5b4a6f91072785276" args="(int N)" --><p>
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          <td class="md" nowrap valign="top">void DPolygon2::RemovePoint           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">int&nbsp;</td>
          <td class="mdname1" valign="top" nowrap> <em>N</em>          </td>
          <td class="md" valign="top">&nbsp;)&nbsp;</td>
          <td class="md" nowrap></td>
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<p>
The Nth point can be on the outer ring, or any inner ring.     </td>
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