<div dir="auto">Hi Ken,<div dir="auto"><br></div><div dir="auto">Sorry for to take too long to answer back. Reviewing VTK I could notice you have vtkLightKit which seems to do it work as a preset quick setup of lights. What I could notice is that they are allá directional lights, so you can't get, let's say, "realistic shading" with them, as positional lights allow some gradiation on edges with all the vertices with the same normal. I could notice that the lighting model supports positional lights.</div><div dir="auto"><br></div><div dir="auto">Is there any implementation, like vtkLightKit which provides a quick setup of a light model including positional lights? Maybe experimental models which I can take a look on?</div><div dir="auto"><br></div><div dir="auto">Cheers,</div><div dir="auto"><br></div><div dir="auto">Pato</div></div><div class="gmail_extra"><br><div class="gmail_quote">El 17 ene. 2017 10:18, "Patricio Sandaña" <<a href="mailto:psandana@gmail.com">psandana@gmail.com</a>> escribió:<br type="attribution"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="auto"><div>Hi Ken,<div dir="auto"><br></div><div dir="auto">Many thanks for the hints. I will take a look.</div><div dir="auto"><br></div><div dir="auto">Cheers,</div><div dir="auto"><br></div><div dir="auto">Pato</div><br><div class="gmail_extra"><br><div class="gmail_quote">El 17 ene. 2017 11:08, "Ken Martin" <<a href="mailto:ken.martin@kitware.com" target="_blank">ken.martin@kitware.com</a>> escribió:<br type="attribution"><blockquote class="m_-8334987258741070497quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">It is all pretty much in Rendering/OpenGL2/vtkOpenGLPol<wbr>yDataMapper.cxx except for shadows which are in vtkShadowMapBakerPass and vtkShadowMapPass</div><div class="gmail_extra"><br><div class="gmail_quote"><div class="m_-8334987258741070497elided-text">On Tue, Jan 17, 2017 at 8:52 AM, Patricio Sandaña <span dir="ltr"><<a href="mailto:psandana@gmail.com" target="_blank">psandana@gmail.com</a>></span> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div class="m_-8334987258741070497elided-text"><div dir="auto">Hello everyone,<div dir="auto"><br></div><div dir="auto">Can anybody tell me how the lighting model is implemented on VTK? I'm looking for any concrete implementation. I've tracked vtkLights usage, but I got nothing so far.</div><div dir="auto"><br></div><div dir="auto">I want to play with the lighting models, but first I wanted to know how they works.</div><div dir="auto"><br></div><div dir="auto">Cheers,</div><div dir="auto"><br></div><div dir="auto">Pato</div></div>
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<br></blockquote></div><font color="#888888"><br><br clear="all"><div><br></div>-- <br><div class="m_-8334987258741070497m_-1417218959569122867gmail_signature" data-smartmail="gmail_signature">Ken Martin PhD<div>Chairman & CFO<br>Kitware Inc.<br>28 Corporate Drive<br>Clifton Park NY 12065<br><a href="tel:(518)%20371-3971" value="+15183713971" target="_blank">518 371 3971</a><div><br></div><div><span style="font-size:10pt;font-family:Tahoma,sans-serif">This communication,
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