<div dir="ltr">can you provide more details on the error? </div><br><div class="gmail_quote"><div dir="ltr">On Thu, Jan 18, 2018 at 5:52 AM 舞法舞天 <<a href="mailto:278124177@qq.com">278124177@qq.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div>when i add vtklight to the renderer and then use the vtkgpuvolumemapper to render a volume, the error has happened at this float status = light->GetSwitch();</div><div>    if (status > 0.0)</div><div>    {</div><div>      double* aColor = light->GetAmbientColor();</div><div>      double* dColor = light->GetDiffuseColor();</div><div>      double* sColor = light->GetDiffuseColor();</div><div>      double intensity = light->GetIntensity();</div><div>      lightAmbientColor[numberOfLights][0] = aColor[0] * intensity;</div><div>      lightAmbientColor[numberOfLights][1] = aColor[1] * intensity;</div><div>      lightAmbientColor[numberOfLights][2] = aColor[2] * intensity;</div><div>      lightDiffuseColor[numberOfLights][0] = dColor[0] * intensity;</div><div>      lightDiffuseColor[numberOfLights][1] = dColor[1] * intensity;</div><div>      lightDiffuseColor[numberOfLights][2] = dColor[2] * intensity;</div><div>      lightSpecularColor[numberOfLights][0] = sColor[0] * intensity;</div><div>      lightSpecularColor[numberOfLights][1] = sColor[1] * intensity;</div><div>      lightSpecularColor[numberOfLights][2] = sColor[2] * intensity;</div><div>0x00007FFF5705CA91 (vtkRenderingVolumeOpenGL2-8.1.dll)</div>_______________________________________________<br>
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