<div class="gmail_quote">On Tue, Oct 11, 2011 at 1:10 AM, PedroVTK <span dir="ltr"><<a href="mailto:pedro.rodrigues17@gmail.com">pedro.rodrigues17@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
Hello,<br>
<br>
I would like to render a 3D dicom volume using vtk with different colors<br>
according to the image histogram. However, when I use the<br>
vtkColorTransferFunction and the method<br>
<br>
OBJECT->AddRGBSegment( double x1, double r1, double g1, double b1, double<br>
x2, double r2, double g2, double b2 ),<br>
<br>
I only add two RGB points to the volume according x1 and x2. I would like to<br>
know if it is possible to add a color gradient for all the points between x1<br>
and x2.<br></blockquote><div><br></div>It is a gradient (a linear ramp between the two points), the color being linearly interpolated, in the color space that you've set. There's also the ability to have a continuous gradient based on hermite functions. </div>
<div class="gmail_quote"><br></div><div class="gmail_quote">If you wish to set your own set of values, see vtkColorTransferFunction::BuildFunctionFromTable.</div><div class="gmail_quote"><br></div><div class="gmail_quote">
--</div><div class="gmail_quote">karthik<br><div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
<br>
Kind regards,<br>
<font color="#888888"><br>
<br>
--<br>
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