<div dir="ltr">@Thank Ken for the explanation. <div><br></div><div><br><div class="gmail_extra"><br><div class="gmail_quote">On Thu, Dec 10, 2015 at 10:22 AM, YassminAbdallah <span dir="ltr"><<a href="mailto:yassminabdallah@gmail.com" target="_blank">yassminabdallah@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex">Hello,<div><br></div><div>when register with “<span style="color:rgb(112,61,170);font-family:Menlo;font-size:11px">vtkRenderingVolumeOpenGL2ObjectFactory</span>” only, an error appears, </div><div><br></div><div><div style="margin:0px;line-height:normal"><b><font face="Menlo"><span style="font-size:11px">Error: no override found for 'vtkRenderer’.</span></font></b></div></div><div style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><b><br></b></div><div style="margin:0px;line-height:normal"><font face="Menlo"><span style="font-size:11px">and when register<b> “</b></span></font><span style="color:rgb(112,61,170);font-family:Menlo;font-size:11px">vtkRenderingOpenGL2ObjectFactory</span><font face="Menlo"><span style="font-size:11px"><b>” </b>only this error appears, </span></font></div><div style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><br></div><div style="margin:0px;line-height:normal"><div style="margin:0px;line-height:normal"><b><font face="Menlo"><span style="font-size:11px">Error: no override found for 'vtkRayCastImageDisplayHelper’.</span></font></b></div><div style="font-family:Menlo;font-size:11px;margin:0px;line-height:normal"><b><br></b></div><div style="margin:0px;line-height:normal"><font face="Menlo"><span style="font-size:11px">when using any of volume mapper techniques </span></font><span style="font-family:Menlo;font-size:11px">i need to register the two of them so it works fine.</span></div><div style="margin:0px;line-height:normal"><span style="font-family:Menlo;font-size:11px"><br></span></div><div style="margin:0px;line-height:normal"><font face="Menlo"><span style="font-size:11px">except<b> </b></span></font><font face="Menlo"><span style="font-size:11px"><b>“</b></span></font><font face="Menlo"><span style="font-size:11px"><font color="#703daa">vtkOpenGLGPUVolumeRayCastMapper” </font>works fine with <font color="#703daa">“</font></span></font><span style="color:rgb(0,132,0);font-family:Menlo;font-size:11px">vtkRenderingOpenGL2ObjectFactory</span><font face="Menlo"><span style="font-size:11px"><font color="#703daa">” </font>only</span></font></div></div></blockquote><div><br></div><div>yes it all makes sense. <font face="Menlo"><span style="font-size:11px"><b> vtkRenderer </b>is defined in vtkRenderingOpenGL and Volume classes are contained in the other module. So yes, you would need both. </span></font></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><div style="margin:0px;line-height:normal"><div style="font-family:Menlo;font-size:11px;margin:0px;line-height:normal"><span style="color:rgb(112,61,170)"><br></span></div><div style="font-family:Menlo;font-size:11px;margin:0px;line-height:normal"><br></div></div><div class=""><div class="h5"><div><b><br></b></div>
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<br></blockquote></div><br><br clear="all"><div><br></div>-- <br><div class="gmail_signature"><div dir="ltr"><font face="trebuchet ms, sans-serif"><i>| Aashish Chaudhary <br>| Technical Leader <br>| Kitware Inc. <br></i></font><div><i><font face="trebuchet ms, sans-serif">| </font><a href="http://www.kitware.com/company/team/chaudhary.html" target="_blank">http://www.kitware.com/company/team/chaudhary.html</a></i></div></div></div>
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