hello all:<br>    I want to add vtkHAVSvolumemapper to paraview as a plugin! here is my xml file:<br>when I run paraview and load the plugin and open a data, the program will give me an error message &quot;access violation&quot;. anybody know what&#39;s wrong with it? I also upload my .h .cxx and cmakelist file<span class="def"><span id="translationContent"> in accessory! any help will be appreciate! thank you!</span></span><br>
<br>&lt;ServerManaerConfiguration&gt;<br>  &lt;ProxyGroup name=&quot;mappers&quot;&gt;<br>    &lt;SourceProxy name=&quot;MyHAVSMapper&quot;<br>      class=&quot;vtkMyHAVSMapper&quot;<br>     &gt;<br>      &lt;!-- And any extra properties for this mapper --&gt;<br>
    &lt;/SourceProxy&gt;<br>  &lt;/ProxyGroup&gt;<br><br>  &lt;ProxyGroup name=&quot;representations&quot;&gt;<br>    &lt;UnstructuredGridVolumeRepresentationProxy name=&quot;MyHAVSRepresentation&quot; <br>      base_proxygroup=&quot;representations&quot;&gt;<br>
      &lt;Documentation&gt;<br>        This is the new representation type we are adding. This is identical to<br>        the SurfaceRepresentation except that we are overriding the mapper with<br>        our mapper.<br>      &lt;/Documentation&gt;<br>
      <br>      &lt;InputProperty name=&quot;Input&quot; <br>        command=&quot;NotUsed&quot;&gt;<br>        &lt;InputArrayDomain name=&quot;input_array_any&quot;<br>          attribute_type=&quot;any&quot;&gt;<br>        &lt;/InputArrayDomain&gt;<br>
      &lt;/InputProperty&gt;<br><br>      &lt;SubProxy&gt;<br>        &lt;Proxy name=&quot;Mapper&quot; proxygroup=&quot;mappers&quot;<br>               proxyname=&quot;MyHAVSMapper&quot;<br>               override=&quot;1&quot; /&gt;<br>
        &lt;ExposedProperties&gt;<br>          &lt;Property name=&quot;LookupTable&quot; /&gt;<br>          &lt;Property name=&quot;MapScalars&quot; /&gt;<br>          &lt;Property name=&quot;ImmediateModeRendering&quot; /&gt;<br>
          &lt;Property name=&quot;InterpolateScalarsBeforeMapping&quot; /&gt;<br>          &lt;Property name=&quot;UseLookupTableScalarRange&quot; /&gt;<br>          &lt;Property name=&quot;ClippingPlanes&quot; /&gt;<br>          &lt;Property name=&quot;StaticMode&quot; /&gt;<br>
        &lt;/ExposedProperties&gt;<br>      &lt;/SubProxy&gt;<br><br>      &lt;SubProxy&gt;<br>        &lt;Proxy name=&quot;LODMapper&quot; <br>          proxygroup=&quot;mappers&quot;<br>          proxyname=&quot;MyHAVSMapper&quot; override=&quot;1&quot;/&gt;<br>
        &lt;ShareProperties subproxy=&quot;Mapper&quot; &gt;<br>          &lt;Exception name=&quot;Input&quot; /&gt;<br>        &lt;/ShareProperties&gt;<br>      &lt;/SubProxy&gt;<br><br>    &lt;!-- End of SurfaceRepresentation --&gt;<br>
    &lt;/UnstructuredGridVolumeRepresentationProxy&gt;<br><br>    &lt;Extension name=&quot;UnstructuredGridRepresentation&quot;&gt;<br>      &lt;Documentation&gt;<br>        Extends standard UnstructuredGridRepresentation by adding<br>
        MySpecialRepresentation as a new type of representation.<br>      &lt;/Documentation&gt;<br><br>      &lt;!-- this adds to what is already defined in PVRepresentationBase --&gt;<br>      &lt;RepresentationType subproxy=&quot;MyHAVSRepresentation&quot;<br>
        text=&quot;HAVSMapper&quot; subtype=&quot;1&quot; /&gt;<br><br>      &lt;SubProxy&gt;<br>        &lt;Proxy name=&quot;MyHAVSRepresentation&quot;<br>          proxygroup=&quot;representations&quot; proxyname=&quot;MyHAVSRepresentation&quot;&gt;<br>
        &lt;/Proxy&gt;<br>        &lt;ShareProperties subproxy=&quot;SurfaceRepresentation&quot;&gt;<br>          &lt;Exception name=&quot;Input&quot; /&gt;<br>          &lt;Exception name=&quot;Visibility&quot; /&gt;<br>
          &lt;Exception name=&quot;Representation&quot; /&gt;<br>        &lt;/ShareProperties&gt;<br>      &lt;/SubProxy&gt;<br>    &lt;/Extension&gt;<br>  &lt;/ProxyGroup&gt;<br><br>&lt;/ServerManaerConfiguration&gt;<br>