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<h1>vtkProcessGroup Class Reference</h1><!-- doxytag: class="vtkProcessGroup" --><!-- doxytag: inherits="vtkObject" --><code>#include <<a class="el" href="a05127.html">vtkProcessGroup.h</a>></code>
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Inheritance diagram for vtkProcessGroup:</div>
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Collaboration diagram for vtkProcessGroup:</div>
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<a href="a13427.html">List of all members.</a><hr><a name="_details"></a><h2>Detailed Description</h2>
A subgroup of processes from a communicator.
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This class is used for creating groups of processes. A <a class="el" href="a01304.html" title="A subgroup of processes from a communicator.">vtkProcessGroup</a> is initialized by passing the controller or communicator on which the group is based off of. You can then use the group to subset and reorder the the processes. Eventually, you can pass the group object to the CreateSubController method of <a class="el" href="a01062.html" title="Multiprocessing communication superclass.">vtkMultiProcessController</a> to create a controller for the defined group of processes. You must use the same controller (or attached communicator) from which this group was initialized with.<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="a01062.html" title="Multiprocessing communication superclass.">vtkMultiProcessController</a>, <a class="el" href="a00293.html" title="Used to send/receive messages in a multiprocess environment.">vtkCommunicator</a></dd></dl>
<dl class="user" compact><dt><b>Thanks:</b></dt><dd>This class was originally written by Kenneth Moreland (<a href="mailto:kmorel@sandia.gov">kmorel@sandia.gov</a>) from Sandia National Laboratories.</dd></dl>
<dl class="user" compact><dt><b>Tests:</b></dt><dd><a class="el" href="c2_vtk_t_12.html#c2_vtk_t_vtkProcessGroup">vtkProcessGroup (Tests)</a> </dd></dl>
<p>Definition at line <a class="el" href="a05127.html#l00055">55</a> of file <a class="el" href="a05127.html">vtkProcessGroup.h</a>.</p>
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<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="a01304.html#cbbfe7ddaae81b2a0f8967513443c9a3">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 const char * </td><td class="memItemRight" valign="bottom"><a class="el" href="a01304.html#a18f8df7177dfca550d6212b6dcc61a9">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="a01304.html#76d3375fff34657789974f1c88ad296e">IsA</a> (const char *type)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="a01304.html#80e8422ba80d1bc2aee7536e0bd59726">PrintSelf</a> (ostream &os, <a class="el" href="a00869.html">vtkIndent</a> indent)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a01304.html#620f364ba1c0ee7307f4cd4c0c95b46a">SetCommunicator</a> (<a class="el" href="a00293.html">vtkCommunicator</a> *communicator)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="a01304.html#1271fe8cd2fe7cc7d4081a1346882bfe">GetProcessId</a> (int pos)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="a01304.html#79ab4539dfea80c5e0c7c8290abace87">GetLocalProcessId</a> ()</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="a01304.html#2d0fc0d43696fe867503b976a25ee4b2">FindProcessId</a> (int processId)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="a01304.html#481e33eb3bfbd48fe1074047d3758ee6">AddProcessId</a> (int processId)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="a01304.html#eb7debbf1444d2d2ea22b8f9a4133d0e">RemoveProcessId</a> (int processId)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a01304.html#73111c1a1d902ac0c40d74af1f2c209a">RemoveAllProcessIds</a> ()</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a01304.html#e28d599817a3efa9ad732b5ec0878ce4">Copy</a> (<a class="el" href="a01304.html">vtkProcessGroup</a> *group)</td></tr>
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<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a01304.html#77602f0bea3a01e16f50c1942f3ade3e">Initialize</a> (<a class="el" href="a01062.html">vtkMultiProcessController</a> *controller)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a01304.html#4d5b0222d9651ced8535f5143d754a18">Initialize</a> (<a class="el" href="a00293.html">vtkCommunicator</a> *communicator)</td></tr>
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<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual <a class="el" href="a00293.html">vtkCommunicator</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="a01304.html#bbe562d39b38abb0d75c6d39db2872c4">GetCommunicator</a> ()</td></tr>
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<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual int </td><td class="memItemRight" valign="bottom"><a class="el" href="a01304.html#5d9496e61641ba3a675bee9577a55faa">GetNumberOfProcessIds</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 int </td><td class="memItemRight" valign="bottom"><a class="el" href="a01304.html#de7175a293d9ffb719bcd4f455a69974">IsTypeOf</a> (const char *type)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">static <a class="el" href="a01304.html">vtkProcessGroup</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="a01304.html#49e238e463da0debcd701292e0c968c3">SafeDownCast</a> (<a class="el" href="a01084.html">vtkObject</a> *o)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">static <a class="el" href="a01304.html">vtkProcessGroup</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="a01304.html#4d1b675a2347d5ff876b932e2337b2af">New</a> ()</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="a01304.html#785c61a2a58454a1439e68d9d30f5a86">vtkProcessGroup</a> ()</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="a01304.html#db9d12b814d2c3446b7c0193abd0125e">~vtkProcessGroup</a> ()</td></tr>
<tr><td colspan="2"><br><h2>Protected Attributes</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int * </td><td class="memItemRight" valign="bottom"><a class="el" href="a01304.html#5c83c7ff7befcf53455731a44be0068a">ProcessIds</a></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="a01304.html#c51391929f3513307bc980ae60a941ac">NumberOfProcessIds</a></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="a00293.html">vtkCommunicator</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="a01304.html#6d3a485fdbe190c68437061512b3ef2d">Communicator</a></td></tr>
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<hr><h2>Member Typedef Documentation</h2>
<a class="anchor" name="cbbfe7ddaae81b2a0f8967513443c9a3"></a><!-- doxytag: member="vtkProcessGroup::Superclass" ref="cbbfe7ddaae81b2a0f8967513443c9a3" args="" -->
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<td class="memname">typedef <a class="el" href="a01084.html">vtkObject</a> <a class="el" href="a01084.html">vtkProcessGroup::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="a05127.html#l00058">58</a> of file <a class="el" href="a05127.html">vtkProcessGroup.h</a>.</p>
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<hr><h2>Constructor & Destructor Documentation</h2>
<a class="anchor" name="785c61a2a58454a1439e68d9d30f5a86"></a><!-- doxytag: member="vtkProcessGroup::vtkProcessGroup" ref="785c61a2a58454a1439e68d9d30f5a86" args="()" -->
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<td class="memname">vtkProcessGroup::vtkProcessGroup </td>
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<td><code> [protected]</code></td>
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<a class="anchor" name="db9d12b814d2c3446b7c0193abd0125e"></a><!-- doxytag: member="vtkProcessGroup::~vtkProcessGroup" ref="db9d12b814d2c3446b7c0193abd0125e" args="()" -->
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<td class="memname">virtual vtkProcessGroup::~vtkProcessGroup </td>
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<td><code> [protected, virtual]</code></td>
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<hr><h2>Member Function Documentation</h2>
<a class="anchor" name="a18f8df7177dfca550d6212b6dcc61a9"></a><!-- doxytag: member="vtkProcessGroup::GetClassName" ref="a18f8df7177dfca550d6212b6dcc61a9" args="()" -->
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<td class="memname">virtual const char* vtkProcessGroup::GetClassName </td>
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<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="de7175a293d9ffb719bcd4f455a69974"></a><!-- doxytag: member="vtkProcessGroup::IsTypeOf" ref="de7175a293d9ffb719bcd4f455a69974" args="(const char *type)" -->
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<td class="memname">static int vtkProcessGroup::IsTypeOf </td>
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<td class="paramtype">const char * </td>
<td class="paramname"> <em>name</em> </td>
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<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="76d3375fff34657789974f1c88ad296e"></a><!-- doxytag: member="vtkProcessGroup::IsA" ref="76d3375fff34657789974f1c88ad296e" args="(const char *type)" -->
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<td class="memname">virtual int vtkProcessGroup::IsA </td>
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<td class="paramtype">const char * </td>
<td class="paramname"> <em>name</em> </td>
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<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="49e238e463da0debcd701292e0c968c3"></a><!-- doxytag: member="vtkProcessGroup::SafeDownCast" ref="49e238e463da0debcd701292e0c968c3" args="(vtkObject *o)" -->
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<td class="memname">static <a class="el" href="a01304.html">vtkProcessGroup</a>* vtkProcessGroup::SafeDownCast </td>
<td>(</td>
<td class="paramtype"><a class="el" href="a01084.html">vtkObject</a> * </td>
<td class="paramname"> <em>o</em> </td>
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<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="4d1b675a2347d5ff876b932e2337b2af"></a><!-- doxytag: member="vtkProcessGroup::New" ref="4d1b675a2347d5ff876b932e2337b2af" args="()" -->
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<td class="memname">static <a class="el" href="a01304.html">vtkProcessGroup</a>* vtkProcessGroup::New </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="80e8422ba80d1bc2aee7536e0bd59726"></a><!-- doxytag: member="vtkProcessGroup::PrintSelf" ref="80e8422ba80d1bc2aee7536e0bd59726" args="(ostream &os, vtkIndent indent)" -->
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<td class="memname">virtual void vtkProcessGroup::PrintSelf </td>
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<td>)</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="77602f0bea3a01e16f50c1942f3ade3e"></a><!-- doxytag: member="vtkProcessGroup::Initialize" ref="77602f0bea3a01e16f50c1942f3ade3e" args="(vtkMultiProcessController *controller)" -->
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<td class="memname">void vtkProcessGroup::Initialize </td>
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Initialize the group to the given controller or communicator. The group will be set to contain all of the processes in the controller/communicator in the same order.
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<td class="memname">void vtkProcessGroup::Initialize </td>
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Initialize the group to the given controller or communicator. The group will be set to contain all of the processes in the controller/communicator in the same order.
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<a class="anchor" name="bbe562d39b38abb0d75c6d39db2872c4"></a><!-- doxytag: member="vtkProcessGroup::GetCommunicator" ref="bbe562d39b38abb0d75c6d39db2872c4" args="()" -->
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<td class="memname">virtual <a class="el" href="a00293.html">vtkCommunicator</a>* vtkProcessGroup::GetCommunicator </td>
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Get the communicator on which this group is based on.
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<a class="anchor" name="620f364ba1c0ee7307f4cd4c0c95b46a"></a><!-- doxytag: member="vtkProcessGroup::SetCommunicator" ref="620f364ba1c0ee7307f4cd4c0c95b46a" args="(vtkCommunicator *communicator)" -->
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<td class="memname">void vtkProcessGroup::SetCommunicator </td>
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Set the communicator. This has the same effect as Initialize except that the contents of the group will not be modified (although they may be truncated if the new communicator is smaller than the current group). Note that this can lead to an invalid group if there are values in the group that are not valid in the new communicator.
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<a class="anchor" name="5d9496e61641ba3a675bee9577a55faa"></a><!-- doxytag: member="vtkProcessGroup::GetNumberOfProcessIds" ref="5d9496e61641ba3a675bee9577a55faa" args="()" -->
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<td class="memname">virtual int vtkProcessGroup::GetNumberOfProcessIds </td>
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Returns the size of this group (the number of processes defined in it).
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<a class="anchor" name="1271fe8cd2fe7cc7d4081a1346882bfe"></a><!-- doxytag: member="vtkProcessGroup::GetProcessId" ref="1271fe8cd2fe7cc7d4081a1346882bfe" args="(int pos)" -->
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<td class="memname">int vtkProcessGroup::GetProcessId </td>
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Given a position in the group, returns the id of the process in the communicator this group is based on. For example, if this group contains {6, 2, 8, 1}, then GetProcessId(2) will return 8 and GetProcessId(3) will return 1.
<p>Definition at line <a class="el" href="a05127.html#l00092">92</a> of file <a class="el" href="a05127.html">vtkProcessGroup.h</a>.</p>
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<a class="anchor" name="79ab4539dfea80c5e0c7c8290abace87"></a><!-- doxytag: member="vtkProcessGroup::GetLocalProcessId" ref="79ab4539dfea80c5e0c7c8290abace87" args="()" -->
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Get the process id for the local process (as defined by the group's communicator). Returns -1 if the local process is not in the group.
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<a class="anchor" name="2d0fc0d43696fe867503b976a25ee4b2"></a><!-- doxytag: member="vtkProcessGroup::FindProcessId" ref="2d0fc0d43696fe867503b976a25ee4b2" args="(int processId)" -->
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Given a process id in the communicator, this method returns its location in the group or -1 if it is not in the group. For example, if this group contains {6, 2, 8, 1}, then FindProcessId(2) will return 1 and FindProcessId(3) will return -1.
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<a class="anchor" name="481e33eb3bfbd48fe1074047d3758ee6"></a><!-- doxytag: member="vtkProcessGroup::AddProcessId" ref="481e33eb3bfbd48fe1074047d3758ee6" args="(int processId)" -->
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Add a process id to the end of the group (if it is not already in the group). Returns the location where the id was stored.
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<a class="anchor" name="eb7debbf1444d2d2ea22b8f9a4133d0e"></a><!-- doxytag: member="vtkProcessGroup::RemoveProcessId" ref="eb7debbf1444d2d2ea22b8f9a4133d0e" args="(int processId)" -->
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Remove the given process id from the group (assuming it is in the group). All ids to the "right" of the removed id are shifted over. Returns 1 if the process id was removed, 0 if the process id was not in the group in the first place.
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<a class="anchor" name="73111c1a1d902ac0c40d74af1f2c209a"></a><!-- doxytag: member="vtkProcessGroup::RemoveAllProcessIds" ref="73111c1a1d902ac0c40d74af1f2c209a" args="()" -->
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Removes all the processes ids from the group, leaving the group empty.
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<a class="anchor" name="e28d599817a3efa9ad732b5ec0878ce4"></a><!-- doxytag: member="vtkProcessGroup::Copy" ref="e28d599817a3efa9ad732b5ec0878ce4" args="(vtkProcessGroup *group)" -->
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Copies the given group's communicator and process ids.
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<hr><h2>Member Data Documentation</h2>
<a class="anchor" name="5c83c7ff7befcf53455731a44be0068a"></a><!-- doxytag: member="vtkProcessGroup::ProcessIds" ref="5c83c7ff7befcf53455731a44be0068a" args="" -->
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<td class="memname">int* <a class="el" href="a01304.html#5c83c7ff7befcf53455731a44be0068a">vtkProcessGroup::ProcessIds</a><code> [protected]</code> </td>
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<p>Definition at line <a class="el" href="a05127.html#l00125">125</a> of file <a class="el" href="a05127.html">vtkProcessGroup.h</a>.</p>
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<a class="anchor" name="c51391929f3513307bc980ae60a941ac"></a><!-- doxytag: member="vtkProcessGroup::NumberOfProcessIds" ref="c51391929f3513307bc980ae60a941ac" args="" -->
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<td class="memname">int <a class="el" href="a01304.html#c51391929f3513307bc980ae60a941ac">vtkProcessGroup::NumberOfProcessIds</a><code> [protected]</code> </td>
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<p>Definition at line <a class="el" href="a05127.html#l00126">126</a> of file <a class="el" href="a05127.html">vtkProcessGroup.h</a>.</p>
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<a class="anchor" name="6d3a485fdbe190c68437061512b3ef2d"></a><!-- doxytag: member="vtkProcessGroup::Communicator" ref="6d3a485fdbe190c68437061512b3ef2d" args="" -->
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<td class="memname"><a class="el" href="a00293.html">vtkCommunicator</a>* <a class="el" href="a01304.html#6d3a485fdbe190c68437061512b3ef2d">vtkProcessGroup::Communicator</a><code> [protected]</code> </td>
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<p>Definition at line <a class="el" href="a05127.html#l00128">128</a> of file <a class="el" href="a05127.html">vtkProcessGroup.h</a>.</p>
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<hr>The documentation for this class was generated from the following file:<ul>
<li>dox/Parallel/<a class="el" href="a05127.html">vtkProcessGroup.h</a></ul>
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<hr size="1"><address style="text-align: right;"><small>Generated on Wed Jun 3 19:27:07 2009 for VTK by
<a href="http://www.doxygen.org/index.html">
<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.6 </small></address>
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