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&#160;<span id="projectnumber">6.0</span>
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<p><code>#include &lt;<a class="el" href="opennurbs__xform_8h_source.html">opennurbs_xform.h</a>&gt;</code></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-types"></a>
Public Types</h2></td></tr>
<tr class="memitem:a034a33c1165f7327c91378178c8dfb3c"><td class="memItemLeft" align="right" valign="top">enum &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_o_n___localizer.html#a034a33c1165f7327c91378178c8dfb3c">TYPE</a> { <br />
&#160;&#160;<a class="el" href="class_o_n___localizer.html#a034a33c1165f7327c91378178c8dfb3cae8fe42e909805ba0ad731ec158adce80">no_type</a> = 0,
<a class="el" href="class_o_n___localizer.html#a034a33c1165f7327c91378178c8dfb3ca4efe2a8a861e74cb0bceffb13045bde6">sphere_type</a> = 1,
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Public Member Functions</h2></td></tr>
<tr class="memitem:ad371859a415c89a16022e856ad41b991"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_o_n___localizer.html#ad371859a415c89a16022e856ad41b991">ON_Localizer</a> ()</td></tr>
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<tr class="memitem:a23d20dfcffb42a093963e1f07ae68224"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_o_n___localizer.html#a23d20dfcffb42a093963e1f07ae68224">ON_Localizer</a> (const <a class="el" href="class_o_n___localizer.html">ON_Localizer</a> &amp;)</td></tr>
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<tr class="memitem:af7756e991dc5f5d162dfa13bb19ff856"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_o_n___localizer.html#af7756e991dc5f5d162dfa13bb19ff856">~ON_Localizer</a> ()</td></tr>
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<tr class="memitem:a34839be595b4c2b84409998afb57ab0f"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_o_n___localizer.html#a34839be595b4c2b84409998afb57ab0f">CreateCylinderLocalizer</a> (<a class="el" href="class_o_n__3d_point.html">ON_3dPoint</a> P, <a class="el" href="class_o_n__3d_vector.html">ON_3dVector</a> D, double r0, double r1)</td></tr>
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<tr class="memitem:aad84a539c9cdb019d62a6096066e4fb7"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_o_n___localizer.html#aad84a539c9cdb019d62a6096066e4fb7">CreateSphereLocalizer</a> (<a class="el" href="class_o_n__3d_point.html">ON_3dPoint</a> P, double r0, double r1)</td></tr>
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<tr class="memitem:a9997985ef779ee9c7c38927e5b735d77"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_o_n___localizer.html#a9997985ef779ee9c7c38927e5b735d77">Destroy</a> ()</td></tr>
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<tr class="memitem:abb6fbab3931b2c1e8a657cc5169d65a2"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_o_n___localizer.html#abb6fbab3931b2c1e8a657cc5169d65a2">IsZero</a> (const <a class="el" href="class_o_n___bounding_box.html">ON_BoundingBox</a> &amp;bbox) const</td></tr>
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<tr class="memitem:ad4bb3b0fbe10e8b053a2dab49bd5cee9"><td class="memItemLeft" align="right" valign="top"><a class="el" href="class_o_n___localizer.html">ON_Localizer</a> &amp;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_o_n___localizer.html#ad4bb3b0fbe10e8b053a2dab49bd5cee9">operator=</a> (const <a class="el" href="class_o_n___localizer.html">ON_Localizer</a> &amp;)</td></tr>
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<tr class="memitem:a0258c1bebd81077fe146eab334979fff"><td class="memItemLeft" align="right" valign="top">double&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_o_n___localizer.html#a0258c1bebd81077fe146eab334979fff">Value</a> (<a class="el" href="class_o_n__3d_point.html">ON_3dPoint</a> P) const</td></tr>
<tr class="separator:a0258c1bebd81077fe146eab334979fff"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a20d6acde51720762040a2be681000695"><td class="memItemLeft" align="right" valign="top">double&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_o_n___localizer.html#a20d6acde51720762040a2be681000695">Value</a> (double distance) const</td></tr>
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<tr class="memitem:acf30faff5b3db75c0c9dc113b7ce340b"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_o_n___localizer.html#acf30faff5b3db75c0c9dc113b7ce340b">Write</a> (<a class="el" href="class_o_n___binary_archive.html">ON_BinaryArchive</a> &amp;) const</td></tr>
<tr class="separator:acf30faff5b3db75c0c9dc113b7ce340b"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-attribs"></a>
Public Attributes</h2></td></tr>
<tr class="memitem:a7f0caf79bcb9821868d3342139c757a1"><td class="memItemLeft" align="right" valign="top"><a class="el" href="class_o_n___interval.html">ON_Interval</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_o_n___localizer.html#a7f0caf79bcb9821868d3342139c757a1">m_d</a></td></tr>
<tr class="separator:a7f0caf79bcb9821868d3342139c757a1"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a33d9e4058ad10ae8a985d64529b0e4e4"><td class="memItemLeft" align="right" valign="top">class <a class="el" href="class_o_n___nurbs_curve.html">ON_NurbsCurve</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_o_n___localizer.html#a33d9e4058ad10ae8a985d64529b0e4e4">m_nurbs_curve</a></td></tr>
<tr class="separator:a33d9e4058ad10ae8a985d64529b0e4e4"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a51235763c821fce8333503d6bc71d380"><td class="memItemLeft" align="right" valign="top">class <a class="el" href="class_o_n___nurbs_surface.html">ON_NurbsSurface</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_o_n___localizer.html#a51235763c821fce8333503d6bc71d380">m_nurbs_surface</a></td></tr>
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<tr class="memitem:a3ef3b7f0ac46cb6457c53583f5704c95"><td class="memItemLeft" align="right" valign="top"><a class="el" href="class_o_n__3d_point.html">ON_3dPoint</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_o_n___localizer.html#a3ef3b7f0ac46cb6457c53583f5704c95">m_P</a></td></tr>
<tr class="separator:a3ef3b7f0ac46cb6457c53583f5704c95"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a43656ec9d94af25256495a8fa0f9a936"><td class="memItemLeft" align="right" valign="top"><a class="el" href="class_o_n___localizer.html#a034a33c1165f7327c91378178c8dfb3c">TYPE</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_o_n___localizer.html#a43656ec9d94af25256495a8fa0f9a936">m_type</a></td></tr>
<tr class="separator:a43656ec9d94af25256495a8fa0f9a936"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aa5d51bfb6d0131a7653c9d1b28663165"><td class="memItemLeft" align="right" valign="top"><a class="el" href="class_o_n__3d_vector.html">ON_3dVector</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_o_n___localizer.html#aa5d51bfb6d0131a7653c9d1b28663165">m_V</a></td></tr>
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<h2 class="groupheader">Member Enumeration Documentation</h2>
<a id="a034a33c1165f7327c91378178c8dfb3c"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a034a33c1165f7327c91378178c8dfb3c">&#9670;&nbsp;</a></span>TYPE</h2>
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<td class="memname">enum <a class="el" href="class_o_n___localizer.html#a034a33c1165f7327c91378178c8dfb3c">ON_Localizer::TYPE</a></td>
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<table class="fieldtable">
<tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><a id="a034a33c1165f7327c91378178c8dfb3cae8fe42e909805ba0ad731ec158adce80"></a>no_type&#160;</td><td class="fielddoc"></td></tr>
<tr><td class="fieldname"><a id="a034a33c1165f7327c91378178c8dfb3ca4efe2a8a861e74cb0bceffb13045bde6"></a>sphere_type&#160;</td><td class="fielddoc"></td></tr>
<tr><td class="fieldname"><a id="a034a33c1165f7327c91378178c8dfb3cae6660c4d924954eb2a3bc0ffcb3255e5"></a>plane_type&#160;</td><td class="fielddoc"></td></tr>
<tr><td class="fieldname"><a id="a034a33c1165f7327c91378178c8dfb3ca5a307a1d568a54f425f7cf6c911387f6"></a>cylinder_type&#160;</td><td class="fielddoc"></td></tr>
<tr><td class="fieldname"><a id="a034a33c1165f7327c91378178c8dfb3ca207471377b33b89d75aa5d785592d00b"></a>curve_type&#160;</td><td class="fielddoc"></td></tr>
<tr><td class="fieldname"><a id="a034a33c1165f7327c91378178c8dfb3ca8352be20306fde1d3029cb0c27cb364d"></a>surface_type&#160;</td><td class="fielddoc"></td></tr>
<tr><td class="fieldname"><a id="a034a33c1165f7327c91378178c8dfb3ca1a8a5f347e1e1dc33881fc956ced3d91"></a>distance_type&#160;</td><td class="fielddoc"></td></tr>
<tr><td class="fieldname"><a id="a034a33c1165f7327c91378178c8dfb3caf5e272f6c10c0a60ffdf125393461c30"></a>force_32bit_localizer_type&#160;</td><td class="fielddoc"></td></tr>
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<h2 class="groupheader">Constructor &amp; Destructor Documentation</h2>
<a id="ad371859a415c89a16022e856ad41b991"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ad371859a415c89a16022e856ad41b991">&#9670;&nbsp;</a></span>ON_Localizer() <span class="overload">[1/2]</span></h2>
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<td class="memname">ON_Localizer::ON_Localizer </td>
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<h2 class="memtitle"><span class="permalink"><a href="#af7756e991dc5f5d162dfa13bb19ff856">&#9670;&nbsp;</a></span>~ON_Localizer()</h2>
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<td class="memname">ON_Localizer::~ON_Localizer </td>
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<h2 class="memtitle"><span class="permalink"><a href="#a23d20dfcffb42a093963e1f07ae68224">&#9670;&nbsp;</a></span>ON_Localizer() <span class="overload">[2/2]</span></h2>
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<td class="memname">ON_Localizer::ON_Localizer </td>
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<td class="paramtype">const <a class="el" href="class_o_n___localizer.html">ON_Localizer</a> &amp;&#160;</td>
<td class="paramname"></td><td>)</td>
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<h2 class="groupheader">Member Function Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#a34839be595b4c2b84409998afb57ab0f">&#9670;&nbsp;</a></span>CreateCylinderLocalizer()</h2>
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<td class="memname">bool ON_Localizer::CreateCylinderLocalizer </td>
<td>(</td>
<td class="paramtype"><a class="el" href="class_o_n__3d_point.html">ON_3dPoint</a>&#160;</td>
<td class="paramname"><em>P</em>, </td>
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<td class="paramname"><em>D</em>, </td>
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<td class="paramtype">double&#160;</td>
<td class="paramname"><em>r0</em>, </td>
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<p>Descrption: Creates a cylindrical localizer. If d = distance from the point to the line, then the localizer has the following behavior:</p>
<p>point distance localizer value d &lt;= r0 &lt; r1 or d &gt;= r0 &gt; r1 0 d &gt;= r1 &gt; r0 or d &lt;= r1 &lt; r0 1</p>
<p>For values of d between r0 and r1, the localizer smoothly transitions between 0 to 1.</p>
<p>Parameters: P - [in] cylinder axis point D - [in] cylinder axis direction r0 - [in] r1 - [in] r0 and r1 are radii that control where the localizer is nonzero. <br />
Both r0 and r1 must be postive and the cannot be equal. <br />
If 0 &lt; r0 &lt; r1, then the localizer is zero for points inside the cylinder of radius r0 and one for points outside the cylinder of radius r1. If 0 &lt; r1 &lt; r0, then the localizer is one for points inside the cylinder of radius r1 and zero for points outside the cylinder of radius r0. <br />
Returns: True if the input is value and the localizer is initialized. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a7079406ebcdab93d10a013b9c44131e7">&#9670;&nbsp;</a></span>CreatePlaneLocalizer()</h2>
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<td class="memname">bool ON_Localizer::CreatePlaneLocalizer </td>
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<p>Descrption: Creates a planar localizer. If d = signed distance from the point to the plane, then the localizer has the following behavior:</p>
<p>point distance localizer value d &lt;= h0 &lt; h1 or d &gt;= h0 &gt; h1 0 d &gt;= h1 &gt; h0 or d &lt;= h1 &lt; h0 1</p>
<p>For values of d between h0 and h1, the localizer smoothly transitions between 0 to 1.</p>
<p>Parameters: P - [in] point on plane N - [in] normal to plane h0 - [in] h1 - [in] h0 and h1 are signed distances that control where the localizer is nonzero.</p>
<p>Returns: True if the input is value and the localizer is initialized. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#aad84a539c9cdb019d62a6096066e4fb7">&#9670;&nbsp;</a></span>CreateSphereLocalizer()</h2>
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<td class="memname">bool ON_Localizer::CreateSphereLocalizer </td>
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<p>Descrption: Creates a spherical localizer. If d = distance from the point to the center of the sphere, then the localizer has the following behavior:</p>
<p>point distance localizer value d &lt;= r0 &lt; r1 or d &gt;= r0 &gt; r1 0 d &gt;= r1 &gt; r0 or d &lt;= r1 &lt; r0 1</p>
<p>For values of d between r0 and r1, the localizer smoothly transitions between 0 to 1.</p>
<p>Parameters: P - [in] center of sphere r0 - [in] r1 - [in] r0 and r1 are radii that control where the localizer is nonzero. <br />
Both r0 and r1 must be postive and the cannot be equal. <br />
If 0 &lt; r0 &lt; r1, then the localizer is zero for points inside the cylinder of radius r0 and one for points outside the cylinder of radius r1. If 0 &lt; r1 &lt; r0, then the localizer is one for points inside the cylinder of radius r1 and zero for points outside the cylinder of radius r0. <br />
Returns: True if the input is value and the localizer is initialized. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a9997985ef779ee9c7c38927e5b735d77">&#9670;&nbsp;</a></span>Destroy()</h2>
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<td class="memname">void ON_Localizer::Destroy </td>
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<h2 class="memtitle"><span class="permalink"><a href="#abb6fbab3931b2c1e8a657cc5169d65a2">&#9670;&nbsp;</a></span>IsZero()</h2>
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<p>Parameters: bbox - [in] Returns: True if localizer is identically zero inside bbox. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#ad4bb3b0fbe10e8b053a2dab49bd5cee9">&#9670;&nbsp;</a></span>operator=()</h2>
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<td class="memname"><a class="el" href="class_o_n___localizer.html">ON_Localizer</a>&amp; ON_Localizer::operator= </td>
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<h2 class="memtitle"><span class="permalink"><a href="#a6fe38afcab7a7919a9833f09dc6afb4e">&#9670;&nbsp;</a></span>Read()</h2>
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<td class="memname">bool ON_Localizer::Read </td>
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<p>Description: Evaluators. Parameters: P - [in] Evaluation point distance - [in] Evaluation distance Returns: Value of the localizer. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#acf30faff5b3db75c0c9dc113b7ce340b">&#9670;&nbsp;</a></span>Write()</h2>
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<td class="memname">bool ON_Localizer::Write </td>
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<h2 class="groupheader">Member Data Documentation</h2>
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<td class="memname"><a class="el" href="class_o_n___interval.html">ON_Interval</a> ON_Localizer::m_d</td>
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<td class="memname">class <a class="el" href="class_o_n___nurbs_curve.html">ON_NurbsCurve</a>* ON_Localizer::m_nurbs_curve</td>
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<td class="memname">class <a class="el" href="class_o_n___nurbs_surface.html">ON_NurbsSurface</a>* ON_Localizer::m_nurbs_surface</td>
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<td class="memname"><a class="el" href="class_o_n__3d_point.html">ON_3dPoint</a> ON_Localizer::m_P</td>
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<td class="memname"><a class="el" href="class_o_n___localizer.html#a034a33c1165f7327c91378178c8dfb3c">TYPE</a> ON_Localizer::m_type</td>
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<td class="memname"><a class="el" href="class_o_n__3d_vector.html">ON_3dVector</a> ON_Localizer::m_V</td>
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