Hello, <div><br></div><div><br></div><div>I have a 256x 256 image of float values and I am trying to visualize it into 16bit Grayscale format. I tried using a lookup table but everytime i either get a blue image or a red image but not a grayscale image. Any help is greatly appreciated</div>

<div><br></div><div><br></div><div><div>vtkSmartPointer&lt;vtkLookupTable&gt; lut= vtkSmartPointer&lt;vtkLookupTable&gt;::New(); </div><div><span class="Apple-tab-span" style="white-space:pre">        </span>lut-&gt;SetTableRange(0,65535); </div>

<div><span class="Apple-tab-span" style="white-space:pre">        </span>lut-&gt;SetNumberOfTableValues(65536); </div><div><span class="Apple-tab-span" style="white-space:pre">        </span>lut-&gt;SetHueRange(0,0); </div><div><span class="Apple-tab-span" style="white-space:pre">        </span>lut-&gt;SetValueRange(0, 1);</div>

<div><span class="Apple-tab-span" style="white-space:pre">        </span>lut-&gt;Build(); </div><div>    for(int i=0; i&lt;65536; i++)</div><div><span class="Apple-tab-span" style="white-space:pre">        </span>{</div><div><span class="Apple-tab-span" style="white-space:pre">                </span>float val1 = (float)i/65536 ; </div>

<div><span class="Apple-tab-span" style="white-space:pre">                </span>lut-&gt;SetTableValue(i, val1, val1,val1);</div><div><span class="Apple-tab-span" style="white-space:pre">        </span>}</div></div><div><br><div><br></div><div>

<br></div><div><br></div><div><div>        vtkActor *actor1 = vtkActor::New();</div><div><span class="Apple-tab-span" style="white-space:pre">        </span>vtkPolyDataMapper *mapper1 = vtkPolyDataMapper::New(); </div><div><span class="Apple-tab-span" style="white-space:pre">        </span>vtkImageDataGeometryFilter *convertToPolyImageFilter = vtkImageDataGeometryFilter::New();</div>

<div><span class="Apple-tab-span" style="white-space:pre">        </span>convertToPolyImageFilter-&gt;SetInput(connector-&gt;GetOutput() ); </div><div><span class="Apple-tab-span" style="white-space:pre">        </span>convertToPolyImageFilter-&gt;Update(); </div>

<div><span class="Apple-tab-span" style="white-space:pre">        </span>mapper1-&gt;SetInput(convertToPolyImageFilter-&gt;GetOutput() ); </div><div><br></div><div>Thank you </div><div><br></div><div>Ankit </div><div><br></div>
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-- <br><br>From the withered tree, a <span>flower</span> blooms.<br>                                                         - Zen<br><br>
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