.. index::
    single: extendCurve
    single: 0x4e455843
    single: category; geometry

_default - extendCurve (0x4e455843)
=======================================================================================================================================

:classification:
    
    
    geometry
    
    

:plugin:
    (built-in)

:id:
    0x4e455843


:link:
    visit Autodesk Maya 2026 official reference `a link`_.

.. _a link: https://help.autodesk.com/cloudhelp/2026/ENU/Maya-Tech-Docs/Nodes/extendCurve.html



Attributes (22)
--------------------------------------



.. raw:: html

    <table class="attribute">
        <tbody>
            <tr>
                <th class="attr_name">Long name (short name)</th>
                <th class="attr_type">Type</th>
                <th class="attr_default">Value</th>
                <th class="attr_minmax">Min/Max</th>
                <th class="attr_flags">Flags</th>
            </tr>
            
            <tr>
                <th colspan="5">channel box</th>
            </tr>
            
                
    
            <tr class="indent0" data-attr-name="distance">
    

                <td class="attr_name" style="text-indent: 0ex;"><span class="attr_label">distance (d)</span></td>
                <td class="attr_type">doubleLinear</td>
                <td class="attr_value">
                    <div class="attr_current">1</div>
                    
                    
                </td>
                <td class="attr_minmax">0/-</td>
                <td class="attr_flags">connectable, in, keyable, out, storable</td>
            </tr>


            
                
    
            <tr class="indent0" data-attr-name="extendMethod">
    

                <td class="attr_name" style="text-indent: 0ex;"><span class="attr_label">extendMethod (em)</span></td>
                <td class="attr_type">enum</td>
                <td class="attr_value">
                    <div class="attr_current">-</div>
                    
                    <ul class="attr_enum_list">
                    
                        <li class="attr_enum_item">
                            Distance (0)
                            
                        </li>
                    
                        <li class="attr_enum_item">
                            Point (2)
                            
                        </li>
                    
                    </ul>
                    
                    
                </td>
                <td class="attr_minmax">0/2</td>
                <td class="attr_flags">connectable, in, keyable, out, storable</td>
            </tr>


            
                
    
            <tr class="indent0" data-attr-name="extensionType">
    

                <td class="attr_name" style="text-indent: 0ex;"><span class="attr_label">extensionType (et)</span></td>
                <td class="attr_type">enum</td>
                <td class="attr_value">
                    <div class="attr_current">-</div>
                    
                    <ul class="attr_enum_list">
                    
                        <li class="attr_enum_item">
                            Linear (0)
                            
                        </li>
                    
                        <li class="attr_enum_item">
                            Circular (1)
                            
                        </li>
                    
                        <li class="attr_enum_item">
                            Extrapolate (2)
                            
                        </li>
                    
                    </ul>
                    
                    
                </td>
                <td class="attr_minmax">0/2</td>
                <td class="attr_flags">connectable, in, keyable, out, storable</td>
            </tr>


            
                
    
            <tr class="parent indent0 dotted" data-attr-name="inputPoint">
    

                <td class="attr_name" style="text-indent: 0ex;"><span class="attr_label">inputPoint (ip)</span></td>
                <td class="attr_type">double3</td>
                <td class="attr_value">
                    <div class="attr_current">-</div>
                    
                    
                </td>
                <td class="attr_minmax">-</td>
                <td class="attr_flags">connectable, in, keyable, out, storable</td>
            </tr>


    
                
    
            <tr class="child indent1 dotted" data-attr-name="pointX">
    

                <td class="attr_name" style="text-indent: 4ex;"><span class="attr_label">pointX (px)</span></td>
                <td class="attr_type">doubleLinear</td>
                <td class="attr_value">
                    <div class="attr_current">-</div>
                    
                    
                </td>
                <td class="attr_minmax">-</td>
                <td class="attr_flags">connectable, in, keyable, out, storable</td>
            </tr>


    
                
    
            <tr class="child indent1 dotted" data-attr-name="pointY">
    

                <td class="attr_name" style="text-indent: 4ex;"><span class="attr_label">pointY (py)</span></td>
                <td class="attr_type">doubleLinear</td>
                <td class="attr_value">
                    <div class="attr_current">-</div>
                    
                    
                </td>
                <td class="attr_minmax">-</td>
                <td class="attr_flags">connectable, in, keyable, out, storable</td>
            </tr>


    
                
    
            <tr class="child indent1 last" data-attr-name="pointZ">
    

                <td class="attr_name" style="text-indent: 4ex;"><span class="attr_label">pointZ (pz)</span></td>
                <td class="attr_type">doubleLinear</td>
                <td class="attr_value">
                    <div class="attr_current">-</div>
                    
                    
                </td>
                <td class="attr_minmax">-</td>
                <td class="attr_flags">connectable, in, keyable, out, storable</td>
            </tr>


    

            
                
    
            <tr class="indent0" data-attr-name="start">
    

                <td class="attr_name" style="text-indent: 0ex;"><span class="attr_label">start (s)</span></td>
                <td class="attr_type">enum</td>
                <td class="attr_value">
                    <div class="attr_current">1</div>
                    
                    <ul class="attr_enum_list">
                    
                        <li class="attr_enum_item">
                            End (0)
                            
                        </li>
                    
                        <li class="attr_enum_item default">
                            Start (1)
                            
                            <span class="enum_default">(default)</span>
                            
                        </li>
                    
                        <li class="attr_enum_item">
                            Both (2)
                            
                        </li>
                    
                    </ul>
                    
                    
                </td>
                <td class="attr_minmax">0/2</td>
                <td class="attr_flags">connectable, in, keyable, out, storable</td>
            </tr>


            
            
            
            <tr>
                <th colspan="5">external visible attributes</th>
            </tr>
            
                
    
            <tr class="indent0" data-attr-name="frozen">
    

                <td class="attr_name" style="text-indent: 0ex;"><span class="attr_label">frozen (fzn)</span></td>
                <td class="attr_type">bool</td>
                <td class="attr_value">
                    <div class="attr_current">-</div>
                    
                    
                </td>
                <td class="attr_minmax">0/1</td>
                <td class="attr_flags">connectable, in, out, storable</td>
            </tr>


            
                
    
            <tr class="indent0" data-attr-name="frozenAffected">
    

                <td class="attr_name" style="text-indent: 0ex;"><span class="attr_label">frozenAffected (fza)</span></td>
                <td class="attr_type">bool</td>
                <td class="attr_value">
                    <div class="attr_current">-</div>
                    
                    
                </td>
                <td class="attr_minmax">0/1</td>
                <td class="attr_flags">connectable, extension, out, storable</td>
            </tr>


            
                
    
            <tr class="indent0" data-attr-name="inputCurve1">
    

                <td class="attr_name" style="text-indent: 0ex;"><span class="attr_label">inputCurve1 (ic1)</span></td>
                <td class="attr_type">-</td>
                <td class="attr_value">
                    <div class="attr_current">-</div>
                    
                    
                </td>
                <td class="attr_minmax">-</td>
                <td class="attr_flags">connectable, in, out</td>
            </tr>


            
                
    
            <tr class="indent0" data-attr-name="join">
    

                <td class="attr_name" style="text-indent: 0ex;"><span class="attr_label">join (jn)</span></td>
                <td class="attr_type">bool</td>
                <td class="attr_value">
                    <div class="attr_current">1</div>
                    
                    
                </td>
                <td class="attr_minmax">0/1</td>
                <td class="attr_flags">connectable, in, out, storable</td>
            </tr>


            
                
    
            <tr class="indent0" data-attr-name="outputCurve">
    

                <td class="attr_name" style="text-indent: 0ex;"><span class="attr_label">outputCurve (oc)</span></td>
                <td class="attr_type">-</td>
                <td class="attr_value">
                    <div class="attr_current">-</div>
                    
                    
                </td>
                <td class="attr_minmax">-</td>
                <td class="attr_flags">connectable, out</td>
            </tr>


            
                
    
            <tr class="indent0" data-attr-name="removeMultipleKnots">
    

                <td class="attr_name" style="text-indent: 0ex;"><span class="attr_label">removeMultipleKnots (rmk)</span></td>
                <td class="attr_type">bool</td>
                <td class="attr_value">
                    <div class="attr_current">-</div>
                    
                    
                </td>
                <td class="attr_minmax">0/1</td>
                <td class="attr_flags">connectable, in, out, storable</td>
            </tr>


            
            
            
            <tr>
                <th colspan="5">external hidden attributes</th>
            </tr>
            
                
    
            <tr class="indent0" data-attr-name="bothEnds">
    

                <td class="attr_name" style="text-indent: 0ex;"><span class="attr_label">bothEnds (be)</span></td>
                <td class="attr_type">bool</td>
                <td class="attr_value">
                    <div class="attr_current">-</div>
                    
                    
                </td>
                <td class="attr_minmax">0/1</td>
                <td class="attr_flags">connectable, hidden, in</td>
            </tr>


            
                
    
            <tr class="indent0" data-attr-name="inputCurve2">
    

                <td class="attr_name" style="text-indent: 0ex;"><span class="attr_label">inputCurve2 (ic2)</span></td>
                <td class="attr_type">-</td>
                <td class="attr_value">
                    <div class="attr_current">-</div>
                    
                    
                </td>
                <td class="attr_minmax">-</td>
                <td class="attr_flags">connectable, hidden, in, out</td>
            </tr>


            
                
    
            <tr class="indent0" data-attr-name="inputSurface">
    

                <td class="attr_name" style="text-indent: 0ex;"><span class="attr_label">inputSurface (is)</span></td>
                <td class="attr_type">-</td>
                <td class="attr_value">
                    <div class="attr_current">-</div>
                    
                    
                </td>
                <td class="attr_minmax">-</td>
                <td class="attr_flags">connectable, hidden, in, out</td>
            </tr>


            
                
    
            <tr class="indent0" data-attr-name="isHistoricallyInteresting">
    

                <td class="attr_name" style="text-indent: 0ex;"><span class="attr_label">isHistoricallyInteresting (ihi)</span></td>
                <td class="attr_type">byte</td>
                <td class="attr_value">
                    <div class="attr_current">2</div>
                    
                    
                </td>
                <td class="attr_minmax">0/255</td>
                <td class="attr_flags">connectable, hidden, in, out, storable</td>
            </tr>


            
                
    
            <tr class="indent0" data-attr-name="message">
    

                <td class="attr_name" style="text-indent: 0ex;"><span class="attr_label">message (msg)</span></td>
                <td class="attr_type">message</td>
                <td class="attr_value">
                    <div class="attr_current">-</div>
                    
                    
                </td>
                <td class="attr_minmax">-</td>
                <td class="attr_flags">connectable, hidden, out</td>
            </tr>


            
            
            
            <tr>
                <th colspan="5">internal attributes</th>
            </tr>
            
                
    
            <tr class="indent0" data-attr-name="binMembership">
    

                <td class="attr_name" style="text-indent: 0ex;"><span class="attr_label">binMembership (bnm)</span></td>
                <td class="attr_type">-</td>
                <td class="attr_value">
                    <div class="attr_current">-</div>
                    
                    
                </td>
                <td class="attr_minmax">-</td>
                <td class="attr_flags">hidden, storable</td>
            </tr>


            
                
    
            <tr class="indent0" data-attr-name="caching">
    

                <td class="attr_name" style="text-indent: 0ex;"><span class="attr_label">caching (cch)</span></td>
                <td class="attr_type">bool</td>
                <td class="attr_value">
                    <div class="attr_current">-</div>
                    
                    
                </td>
                <td class="attr_minmax">0/1</td>
                <td class="attr_flags">connectable, in, out, storable</td>
            </tr>


            
                
    
            <tr class="indent0" data-attr-name="nodeState">
    

                <td class="attr_name" style="text-indent: 0ex;"><span class="attr_label">nodeState (nds)</span></td>
                <td class="attr_type">enum</td>
                <td class="attr_value">
                    <div class="attr_current">-</div>
                    
                    <ul class="attr_enum_list">
                    
                        <li class="attr_enum_item">
                            Normal (0)
                            
                        </li>
                    
                        <li class="attr_enum_item">
                            HasNoEffect (1)
                            
                        </li>
                    
                        <li class="attr_enum_item">
                            Blocking (2)
                            
                        </li>
                    
                        <li class="attr_enum_item">
                            Waiting-Normal (8)
                            
                        </li>
                    
                        <li class="attr_enum_item">
                            Waiting-HasNoEffect (9)
                            
                        </li>
                    
                        <li class="attr_enum_item">
                            Waiting-Blocking (10)
                            
                        </li>
                    
                    </ul>
                    
                    
                </td>
                <td class="attr_minmax">0/10</td>
                <td class="attr_flags">connectable, in, out, storable</td>
            </tr>


            
            
        </tbody>
    </table>