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<h1>vtkGeoProjection Class Reference</h1><!-- doxytag: class="vtkGeoProjection" --><!-- doxytag: inherits="vtkObject" --><code>#include <<a class="el" href="a04238.html">vtkGeoProjection.h</a>></code>
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Inheritance diagram for vtkGeoProjection:</div>
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Collaboration diagram for vtkGeoProjection:</div>
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<a href="a10229.html">List of all members.</a><hr><a name="_details"></a><h2>Detailed Description</h2>
Represent a projection from a sphere to a plane.
<p>
This class uses the PROJ.4 library to represent geographic coordinate projections.<p>
<dl class="user" compact><dt><b>Tests:</b></dt><dd><a class="el" href="c2_vtk_t_6.html#c2_vtk_t_vtkGeoProjection">vtkGeoProjection (Tests)</a> </dd></dl>
<p>Definition at line <a class="el" href="a04238.html#l00039">39</a> of file <a class="el" href="a04238.html">vtkGeoProjection.h</a>.</p>
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<tr><td colspan="2"><br><h2>Public Types</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">typedef <a class="el" href="a01084.html">vtkObject</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="a00629.html#e0e4338dac0e68213ee1dbe5809bcbc5">Superclass</a></td></tr>
<tr><td colspan="2"><br><h2>Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00629.html#a3a10ddd61d5a9a6340fbbf9802d0fe9">PrintSelf</a> (ostream &os, <a class="el" href="a00869.html">vtkIndent</a> indent)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual const char * </td><td class="memItemRight" valign="bottom"><a class="el" href="a00629.html#333a61e53bda9a0d2c7c328e316d9a83">GetClassName</a> ()</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual int </td><td class="memItemRight" valign="bottom"><a class="el" href="a00629.html#07ee2ff62693ab8bcc201409ea53abd5">IsA</a> (const char *type)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="a00629.html#30d634381fb3a5148db3994d73d14975">GetIndex</a> ()</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">const char * </td><td class="memItemRight" valign="bottom"><a class="el" href="a00629.html#e184e2a278389179bb7e7b8b559a7a71">GetDescription</a> ()</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="a02448.html#fc4fb44e5589aa102d4b1ef8d4dd28ea">PROJ</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="a00629.html#ef0f8ebe87355701e194b7e7e319568e">GetProjection</a> ()</td></tr>
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<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00629.html#f92ff6f2bbf9b0b299af0afbf0a6f686">SetName</a> (const char *)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual char * </td><td class="memItemRight" valign="bottom"><a class="el" href="a00629.html#eb4e64b9823c9553fa7349ad21873b3c">GetName</a> ()</td></tr>
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<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00629.html#a08d8e8d1f43016419d995b395dcda1d">SetCentralMeridian</a> (double)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual double </td><td class="memItemRight" valign="bottom"><a class="el" href="a00629.html#89e6185c100081440a25e16a3e6cb34e">GetCentralMeridian</a> ()</td></tr>
<tr><td colspan="2"><br><h2>Static Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">static <a class="el" href="a00629.html">vtkGeoProjection</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="a00629.html#1f8d9f52c77075b85eeef24354f077ef">New</a> ()</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">static int </td><td class="memItemRight" valign="bottom"><a class="el" href="a00629.html#e1bf463e76d500569ef1c0ab84719ff1">IsTypeOf</a> (const char *type)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">static <a class="el" href="a00629.html">vtkGeoProjection</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="a00629.html#b3b5f5557cbc6652ee6bebcc3885bbce">SafeDownCast</a> (<a class="el" href="a01084.html">vtkObject</a> *o)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">static int </td><td class="memItemRight" valign="bottom"><a class="el" href="a00629.html#8145d9e7104aa3fc1bfe01a3398aa52f">GetNumberOfProjections</a> ()</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">static const char * </td><td class="memItemRight" valign="bottom"><a class="el" href="a00629.html#75fb1b1b7b3d3dfc320083f26f431d0f">GetProjectionName</a> (int projection)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">static const char * </td><td class="memItemRight" valign="bottom"><a class="el" href="a00629.html#ba2a813b5dad1ee0f85a0e01b4768215">GetProjectionDescription</a> (int projection)</td></tr>
<tr><td colspan="2"><br><h2>Protected Member Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="a00629.html#fefe85bbd4a5026ce8982e0aa084154a">vtkGeoProjection</a> ()</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="a00629.html#bfad51e81f61e772c2eff24ca5909272">~vtkGeoProjection</a> ()</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual int </td><td class="memItemRight" valign="bottom"><a class="el" href="a00629.html#47866e46e2dd8c186a8057fcd969dba8">UpdateProjection</a> ()</td></tr>
<tr><td colspan="2"><br><h2>Protected Attributes</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">char * </td><td class="memItemRight" valign="bottom"><a class="el" href="a00629.html#2967a18839f568aad28494398c933273">Name</a></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">double </td><td class="memItemRight" valign="bottom"><a class="el" href="a00629.html#76d634a30077a3392f6443f422d86c47">CentralMeridian</a></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="a02448.html#fc4fb44e5589aa102d4b1ef8d4dd28ea">PROJ</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="a00629.html#ee89bcfbd890a8167051a9ed3da0fda6">Projection</a></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="a01719.html">vtkTimeStamp</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="a00629.html#0c33b4e1e1e42223463d7a14dc8120e7">ProjectionMTime</a></td></tr>
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<hr><h2>Member Typedef Documentation</h2>
<a class="anchor" name="e0e4338dac0e68213ee1dbe5809bcbc5"></a><!-- doxytag: member="vtkGeoProjection::Superclass" ref="e0e4338dac0e68213ee1dbe5809bcbc5" args="" -->
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<td class="memname">typedef <a class="el" href="a01084.html">vtkObject</a> <a class="el" href="a01084.html">vtkGeoProjection::Superclass</a> </td>
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<p>Reimplemented from <a class="el" href="a01084.html#11429dee69f4b562e03e07b453dae9b5">vtkObject</a>.</p>
<p>Definition at line <a class="el" href="a04238.html#l00044">44</a> of file <a class="el" href="a04238.html">vtkGeoProjection.h</a>.</p>
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<hr><h2>Constructor & Destructor Documentation</h2>
<a class="anchor" name="fefe85bbd4a5026ce8982e0aa084154a"></a><!-- doxytag: member="vtkGeoProjection::vtkGeoProjection" ref="fefe85bbd4a5026ce8982e0aa084154a" args="()" -->
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<td class="memname">vtkGeoProjection::vtkGeoProjection </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td><code> [protected]</code></td>
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<a class="anchor" name="bfad51e81f61e772c2eff24ca5909272"></a><!-- doxytag: member="vtkGeoProjection::~vtkGeoProjection" ref="bfad51e81f61e772c2eff24ca5909272" args="()" -->
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<td class="memname">virtual vtkGeoProjection::~vtkGeoProjection </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td><code> [protected, virtual]</code></td>
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<hr><h2>Member Function Documentation</h2>
<a class="anchor" name="1f8d9f52c77075b85eeef24354f077ef"></a><!-- doxytag: member="vtkGeoProjection::New" ref="1f8d9f52c77075b85eeef24354f077ef" args="()" -->
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<td class="memname">static <a class="el" href="a00629.html">vtkGeoProjection</a>* vtkGeoProjection::New </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td><code> [static]</code></td>
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Create an object with Debug turned off, modified time initialized to zero, and reference counting on.
<p>Reimplemented from <a class="el" href="a01084.html#4d5b227267c076d6f9e38483370b6612">vtkObject</a>.</p>
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<a class="anchor" name="a3a10ddd61d5a9a6340fbbf9802d0fe9"></a><!-- doxytag: member="vtkGeoProjection::PrintSelf" ref="a3a10ddd61d5a9a6340fbbf9802d0fe9" args="(ostream &os, vtkIndent indent)" -->
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<td class="memname">virtual void vtkGeoProjection::PrintSelf </td>
<td>(</td>
<td class="paramtype">ostream & </td>
<td class="paramname"> <em>os</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype"><a class="el" href="a00869.html">vtkIndent</a> </td>
<td class="paramname"> <em>indent</em></td><td> </td>
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<td>)</td>
<td></td><td></td><td><code> [virtual]</code></td>
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Methods invoked by print to print information about the object including superclasses. Typically not called by the user (use <a class="el" href="a01085.html#edadf6378465fd81c2592ef64262e2a5">Print()</a> instead) but used in the hierarchical print process to combine the output of several classes.
<p>Reimplemented from <a class="el" href="a01084.html#bf3dbb4154289b56a12483eee3866263">vtkObject</a>.</p>
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<a class="anchor" name="333a61e53bda9a0d2c7c328e316d9a83"></a><!-- doxytag: member="vtkGeoProjection::GetClassName" ref="333a61e53bda9a0d2c7c328e316d9a83" args="()" -->
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<td class="memname">virtual const char* vtkGeoProjection::GetClassName </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td><code> [virtual]</code></td>
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<p>Reimplemented from <a class="el" href="a01084.html#d95975c85c2896ea32ff4cf1f8de0886">vtkObject</a>.</p>
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<a class="anchor" name="e1bf463e76d500569ef1c0ab84719ff1"></a><!-- doxytag: member="vtkGeoProjection::IsTypeOf" ref="e1bf463e76d500569ef1c0ab84719ff1" args="(const char *type)" -->
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<td class="memname">static int vtkGeoProjection::IsTypeOf </td>
<td>(</td>
<td class="paramtype">const char * </td>
<td class="paramname"> <em>name</em> </td>
<td> ) </td>
<td><code> [static]</code></td>
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Return 1 if this class type is the same type of (or a subclass of) the named class. Returns 0 otherwise. This method works in combination with vtkTypeRevisionMacro found in vtkSetGet.h.
<p>Reimplemented from <a class="el" href="a01084.html#e9548a248bce0f02f73bbcccd0a9489e">vtkObject</a>.</p>
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<a class="anchor" name="07ee2ff62693ab8bcc201409ea53abd5"></a><!-- doxytag: member="vtkGeoProjection::IsA" ref="07ee2ff62693ab8bcc201409ea53abd5" args="(const char *type)" -->
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<td class="memname">virtual int vtkGeoProjection::IsA </td>
<td>(</td>
<td class="paramtype">const char * </td>
<td class="paramname"> <em>name</em> </td>
<td> ) </td>
<td><code> [virtual]</code></td>
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Return 1 if this class is the same type of (or a subclass of) the named class. Returns 0 otherwise. This method works in combination with vtkTypeRevisionMacro found in vtkSetGet.h.
<p>Reimplemented from <a class="el" href="a01084.html#831e57b04e46827a7098aa81abadee69">vtkObject</a>.</p>
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<a class="anchor" name="b3b5f5557cbc6652ee6bebcc3885bbce"></a><!-- doxytag: member="vtkGeoProjection::SafeDownCast" ref="b3b5f5557cbc6652ee6bebcc3885bbce" args="(vtkObject *o)" -->
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<td class="memname">static <a class="el" href="a00629.html">vtkGeoProjection</a>* vtkGeoProjection::SafeDownCast </td>
<td>(</td>
<td class="paramtype"><a class="el" href="a01084.html">vtkObject</a> * </td>
<td class="paramname"> <em>o</em> </td>
<td> ) </td>
<td><code> [static]</code></td>
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<p>Reimplemented from <a class="el" href="a01084.html#bb9351f076544c427ee91229dce83abe">vtkObject</a>.</p>
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<a class="anchor" name="8145d9e7104aa3fc1bfe01a3398aa52f"></a><!-- doxytag: member="vtkGeoProjection::GetNumberOfProjections" ref="8145d9e7104aa3fc1bfe01a3398aa52f" args="()" -->
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<td class="memname">static int vtkGeoProjection::GetNumberOfProjections </td>
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Returns the number of projections that this class offers.
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<a class="anchor" name="75fb1b1b7b3d3dfc320083f26f431d0f"></a><!-- doxytag: member="vtkGeoProjection::GetProjectionName" ref="75fb1b1b7b3d3dfc320083f26f431d0f" args="(int projection)" -->
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<td class="memname">static const char* vtkGeoProjection::GetProjectionName </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"> <em>projection</em> </td>
<td> ) </td>
<td><code> [static]</code></td>
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Returns the name of one of the projections supported by this class. You can pass these strings to SetName(char*). <dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>projection</em> </td><td>the index of a projection, must be in [0,<a class="el" href="a00629.html#8145d9e7104aa3fc1bfe01a3398aa52f">GetNumberOfProjections()</a>[. </td></tr>
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<a class="anchor" name="ba2a813b5dad1ee0f85a0e01b4768215"></a><!-- doxytag: member="vtkGeoProjection::GetProjectionDescription" ref="ba2a813b5dad1ee0f85a0e01b4768215" args="(int projection)" -->
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<td class="memname">static const char* vtkGeoProjection::GetProjectionDescription </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"> <em>projection</em> </td>
<td> ) </td>
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Returns a description of one of the projections supported by this class. <dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>projection</em> </td><td>the index of a projection, must be in [0,<a class="el" href="a00629.html#8145d9e7104aa3fc1bfe01a3398aa52f">GetNumberOfProjections()</a>[. </td></tr>
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<a class="anchor" name="f92ff6f2bbf9b0b299af0afbf0a6f686"></a><!-- doxytag: member="vtkGeoProjection::SetName" ref="f92ff6f2bbf9b0b299af0afbf0a6f686" args="(const char *)" -->
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<td class="memname">virtual void vtkGeoProjection::SetName </td>
<td>(</td>
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Set/get the short name describing the projection you wish to use. This defaults to "rpoly" for no reason other than I like it. To get a list of valid values, use the <a class="el" href="a00629.html#8145d9e7104aa3fc1bfe01a3398aa52f">GetNumberOfProjections()</a> and <a class="el" href="a00629.html#75fb1b1b7b3d3dfc320083f26f431d0f">GetProjectionName(int)</a> static methods.
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<a class="anchor" name="eb4e64b9823c9553fa7349ad21873b3c"></a><!-- doxytag: member="vtkGeoProjection::GetName" ref="eb4e64b9823c9553fa7349ad21873b3c" args="()" -->
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<td class="memname">virtual char* vtkGeoProjection::GetName </td>
<td>(</td>
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<td><code> [virtual]</code></td>
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Set/get the short name describing the projection you wish to use. This defaults to "rpoly" for no reason other than I like it. To get a list of valid values, use the <a class="el" href="a00629.html#8145d9e7104aa3fc1bfe01a3398aa52f">GetNumberOfProjections()</a> and <a class="el" href="a00629.html#75fb1b1b7b3d3dfc320083f26f431d0f">GetProjectionName(int)</a> static methods.
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<a class="anchor" name="30d634381fb3a5148db3994d73d14975"></a><!-- doxytag: member="vtkGeoProjection::GetIndex" ref="30d634381fb3a5148db3994d73d14975" args="()" -->
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<td class="memname">int vtkGeoProjection::GetIndex </td>
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Return the index of the current projection's type in the list of all projection types. On error, this will return -1. On success, it returns a number in [0,<a class="el" href="a00629.html#8145d9e7104aa3fc1bfe01a3398aa52f">GetNumberOfProjections()</a>[.
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<a class="anchor" name="e184e2a278389179bb7e7b8b559a7a71"></a><!-- doxytag: member="vtkGeoProjection::GetDescription" ref="e184e2a278389179bb7e7b8b559a7a71" args="()" -->
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<td class="memname">const char* vtkGeoProjection::GetDescription </td>
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Get the description of a projection. This will return NULL if the projection name is invalid.
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<a class="anchor" name="a08d8e8d1f43016419d995b395dcda1d"></a><!-- doxytag: member="vtkGeoProjection::SetCentralMeridian" ref="a08d8e8d1f43016419d995b395dcda1d" args="(double)" -->
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<td class="memname">virtual void vtkGeoProjection::SetCentralMeridian </td>
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Set/get the longitude which corresponds to the central meridian of the projection. This defaults to 0, the Greenwich Meridian.
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<a class="anchor" name="89e6185c100081440a25e16a3e6cb34e"></a><!-- doxytag: member="vtkGeoProjection::GetCentralMeridian" ref="89e6185c100081440a25e16a3e6cb34e" args="()" -->
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<td class="memname">virtual double vtkGeoProjection::GetCentralMeridian </td>
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Set/get the longitude which corresponds to the central meridian of the projection. This defaults to 0, the Greenwich Meridian.
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<a class="anchor" name="ef0f8ebe87355701e194b7e7e319568e"></a><!-- doxytag: member="vtkGeoProjection::GetProjection" ref="ef0f8ebe87355701e194b7e7e319568e" args="()" -->
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<td class="memname"><a class="el" href="a02448.html#fc4fb44e5589aa102d4b1ef8d4dd28ea">PROJ</a>* vtkGeoProjection::GetProjection </td>
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Return a pointer to the PROJ.4 data structure describing this projection. This may return NULL if an invalid projection name or parameter set is specified. If you invoke any methods on this <a class="el" href="a00629.html" title="Represent a projection from a sphere to a plane.">vtkGeoProjection</a> object, the PROJ.4 structure this method returns may be freed, so you should not use the PROJ.4 structure after changing any parameters. Also, you should not modify the PROJ.4 structure on your own as it will then be out of sync with the <a class="el" href="a00629.html" title="Represent a projection from a sphere to a plane.">vtkGeoProjection</a> class.
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<a class="anchor" name="47866e46e2dd8c186a8057fcd969dba8"></a><!-- doxytag: member="vtkGeoProjection::UpdateProjection" ref="47866e46e2dd8c186a8057fcd969dba8" args="()" -->
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<td class="memname">virtual int vtkGeoProjection::UpdateProjection </td>
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Determine whether the current projection structure has any changes pending and apply them if necessary. Upon success, 0 is returned. When an error occurs, a nonzero value is returned.
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<hr><h2>Member Data Documentation</h2>
<a class="anchor" name="2967a18839f568aad28494398c933273"></a><!-- doxytag: member="vtkGeoProjection::Name" ref="2967a18839f568aad28494398c933273" args="" -->
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<td class="memname">char* <a class="el" href="a00629.html#2967a18839f568aad28494398c933273">vtkGeoProjection::Name</a><code> [protected]</code> </td>
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<p>Definition at line <a class="el" href="a04238.html#l00103">103</a> of file <a class="el" href="a04238.html">vtkGeoProjection.h</a>.</p>
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<a class="anchor" name="76d634a30077a3392f6443f422d86c47"></a><!-- doxytag: member="vtkGeoProjection::CentralMeridian" ref="76d634a30077a3392f6443f422d86c47" args="" -->
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<td class="memname">double <a class="el" href="a00629.html#76d634a30077a3392f6443f422d86c47">vtkGeoProjection::CentralMeridian</a><code> [protected]</code> </td>
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<p>Definition at line <a class="el" href="a04238.html#l00104">104</a> of file <a class="el" href="a04238.html">vtkGeoProjection.h</a>.</p>
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<a class="anchor" name="ee89bcfbd890a8167051a9ed3da0fda6"></a><!-- doxytag: member="vtkGeoProjection::Projection" ref="ee89bcfbd890a8167051a9ed3da0fda6" args="" -->
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<td class="memname"><a class="el" href="a02448.html#fc4fb44e5589aa102d4b1ef8d4dd28ea">PROJ</a>* <a class="el" href="a00629.html#ee89bcfbd890a8167051a9ed3da0fda6">vtkGeoProjection::Projection</a><code> [protected]</code> </td>
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<p>Definition at line <a class="el" href="a04238.html#l00105">105</a> of file <a class="el" href="a04238.html">vtkGeoProjection.h</a>.</p>
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<a class="anchor" name="0c33b4e1e1e42223463d7a14dc8120e7"></a><!-- doxytag: member="vtkGeoProjection::ProjectionMTime" ref="0c33b4e1e1e42223463d7a14dc8120e7" args="" -->
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<td class="memname"><a class="el" href="a01719.html">vtkTimeStamp</a> <a class="el" href="a00629.html#0c33b4e1e1e42223463d7a14dc8120e7">vtkGeoProjection::ProjectionMTime</a><code> [protected]</code> </td>
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<p>Definition at line <a class="el" href="a04238.html#l00106">106</a> of file <a class="el" href="a04238.html">vtkGeoProjection.h</a>.</p>
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<hr>The documentation for this class was generated from the following file:<ul>
<li>dox/Geovis/<a class="el" href="a04238.html">vtkGeoProjection.h</a></ul>
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<hr size="1"><address style="text-align: right;"><small>Generated on Wed Jun 3 19:05:25 2009 for VTK by
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