.. index::
    single: surfaceLuminance
    single: 0x52534c55
    single: category; drawdb; shader; operation; surfaceLuminance
    single: category; utility; color

_default - surfaceLuminance (0x52534c55)
=======================================================================================================================================

:classification:
    
    
    drawdb/shader/operation/surfaceLuminance
    
    utility/color
    
    

:plugin:
    (built-in)

:id:
    0x52534c55


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

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



Attributes (27)
--------------------------------------



.. 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">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="outValue">
    

                <td class="attr_name" style="text-indent: 0ex;"><span class="attr_label">outValue (o)</span></td>
                <td class="attr_type">float</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>
                <th colspan="5">external hidden attributes</th>
            </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="parent indent0 dotted" data-attr-name="lightDataArray">
    

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


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

                <td class="attr_name" style="text-indent: 4ex;"><span class="attr_label">lightAmbient (la)</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, hidden, in</td>
            </tr>


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

                <td class="attr_name" style="text-indent: 4ex;"><span class="attr_label">lightBlindData (lbd)</span></td>
                <td class="attr_type">addr</td>
                <td class="attr_value">
                    <div class="attr_current">-</div>
                    
                    
                </td>
                <td class="attr_minmax">-</td>
                <td class="attr_flags">connectable, hidden, in</td>
            </tr>


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

                <td class="attr_name" style="text-indent: 4ex;"><span class="attr_label">lightDiffuse (ldf)</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, hidden, in</td>
            </tr>


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

                <td class="attr_name" style="text-indent: 4ex;"><span class="attr_label">lightDirection (ld)</span></td>
                <td class="attr_type">float3</td>
                <td class="attr_value">
                    <div class="attr_current">-</div>
                    
                    
                </td>
                <td class="attr_minmax">-</td>
                <td class="attr_flags">connectable, hidden, in</td>
            </tr>


    
                
    
            <tr class="child indent2 dotted" data-attr-name="lightDirectionX">
    

                <td class="attr_name" style="text-indent: 8ex;"><span class="attr_label">lightDirectionX (ldx)</span></td>
                <td class="attr_type">float</td>
                <td class="attr_value">
                    <div class="attr_current">1</div>
                    
                    
                </td>
                <td class="attr_minmax">-</td>
                <td class="attr_flags">connectable, hidden, in</td>
            </tr>


    
                
    
            <tr class="child indent2 dotted" data-attr-name="lightDirectionY">
    

                <td class="attr_name" style="text-indent: 8ex;"><span class="attr_label">lightDirectionY (ldy)</span></td>
                <td class="attr_type">float</td>
                <td class="attr_value">
                    <div class="attr_current">1</div>
                    
                    
                </td>
                <td class="attr_minmax">-</td>
                <td class="attr_flags">connectable, hidden, in</td>
            </tr>


    
                
    
            <tr class="child indent2 last" data-attr-name="lightDirectionZ">
    

                <td class="attr_name" style="text-indent: 8ex;"><span class="attr_label">lightDirectionZ (ldz)</span></td>
                <td class="attr_type">float</td>
                <td class="attr_value">
                    <div class="attr_current">1</div>
                    
                    
                </td>
                <td class="attr_minmax">-</td>
                <td class="attr_flags">connectable, hidden, in</td>
            </tr>


    

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

                <td class="attr_name" style="text-indent: 4ex;"><span class="attr_label">lightIntensity (li)</span></td>
                <td class="attr_type">float3</td>
                <td class="attr_value">
                    <div class="attr_current">-</div>
                    
                    
                </td>
                <td class="attr_minmax">-</td>
                <td class="attr_flags">connectable, hidden, in</td>
            </tr>


    
                
    
            <tr class="child indent2 dotted" data-attr-name="lightIntensityB">
    

                <td class="attr_name" style="text-indent: 8ex;"><span class="attr_label">lightIntensityB (lib)</span></td>
                <td class="attr_type">float</td>
                <td class="attr_value">
                    <div class="attr_current">1</div>
                    
                    
                </td>
                <td class="attr_minmax">-</td>
                <td class="attr_flags">connectable, hidden, in</td>
            </tr>


    
                
    
            <tr class="child indent2 dotted" data-attr-name="lightIntensityG">
    

                <td class="attr_name" style="text-indent: 8ex;"><span class="attr_label">lightIntensityG (lig)</span></td>
                <td class="attr_type">float</td>
                <td class="attr_value">
                    <div class="attr_current">1</div>
                    
                    
                </td>
                <td class="attr_minmax">-</td>
                <td class="attr_flags">connectable, hidden, in</td>
            </tr>


    
                
    
            <tr class="child indent2 last" data-attr-name="lightIntensityR">
    

                <td class="attr_name" style="text-indent: 8ex;"><span class="attr_label">lightIntensityR (lir)</span></td>
                <td class="attr_type">float</td>
                <td class="attr_value">
                    <div class="attr_current">1</div>
                    
                    
                </td>
                <td class="attr_minmax">-</td>
                <td class="attr_flags">connectable, hidden, in</td>
            </tr>


    

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

                <td class="attr_name" style="text-indent: 4ex;"><span class="attr_label">lightShadowFraction (lsf)</span></td>
                <td class="attr_type">float</td>
                <td class="attr_value">
                    <div class="attr_current">-</div>
                    
                    
                </td>
                <td class="attr_minmax">-</td>
                <td class="attr_flags">connectable, hidden, in</td>
            </tr>


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

                <td class="attr_name" style="text-indent: 4ex;"><span class="attr_label">lightSpecular (ls)</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="child indent1 last" data-attr-name="preShadowIntensity">
    

                <td class="attr_name" style="text-indent: 4ex;"><span class="attr_label">preShadowIntensity (psi)</span></td>
                <td class="attr_type">float</td>
                <td class="attr_value">
                    <div class="attr_current">-</div>
                    
                    
                </td>
                <td class="attr_minmax">-</td>
                <td class="attr_flags">connectable, hidden, in</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 class="parent indent0 dotted" data-attr-name="normalCamera">
    

                <td class="attr_name" style="text-indent: 0ex;"><span class="attr_label">normalCamera (n)</span></td>
                <td class="attr_type">float3</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="child indent1 dotted" data-attr-name="normalCameraX">
    

                <td class="attr_name" style="text-indent: 4ex;"><span class="attr_label">normalCameraX (nx)</span></td>
                <td class="attr_type">float</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="child indent1 dotted" data-attr-name="normalCameraY">
    

                <td class="attr_name" style="text-indent: 4ex;"><span class="attr_label">normalCameraY (ny)</span></td>
                <td class="attr_type">float</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="child indent1 last" data-attr-name="normalCameraZ">
    

                <td class="attr_name" style="text-indent: 4ex;"><span class="attr_label">normalCameraZ (nz)</span></td>
                <td class="attr_type">float</td>
                <td class="attr_value">
                    <div class="attr_current">1</div>
                    
                    
                </td>
                <td class="attr_minmax">-</td>
                <td class="attr_flags">connectable, hidden, in, 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>