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<p style="font-family: arial,helvetica,sans-serif;" class="MsoNormal"><span style="" lang="EN-US">Hello!</span></p>
<span style="font-size: 11pt; line-height: 115%; font-family: "Calibri","sans-serif";" lang="EN-US"><span style="font-family: arial,helvetica,sans-serif;">I tried with three linux versions of pbrt:
version 1.04 and 1.03 from pbrt web site and version 1.03 from </span><a style="font-family: arial,helvetica,sans-serif;" href="https://graphics.stanford.edu/wikis/cs348b-07/PBRTInfo">https://graphics.stanford.edu/wikis/cs348b-07/PBRTInfo</a><span style="font-family: arial,helvetica,sans-serif;">.
I reproduce the same problem with all these versions. But, I don’t understand
what do you mean by version 2? Sorry, I’m new user of pbrt. <br><br>Thanks </span><span style=""> </span></span><br><br><div class="gmail_quote">2009/10/30 Mohamed Yessine Yengui <span dir="ltr"><<a href="mailto:yengui.yessine@gmail.com">yengui.yessine@gmail.com</a>></span><br>
<blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">the version is pbrt-1.03.<br><br><div class="gmail_quote">2009/10/30 John Danks <span dir="ltr"><<a href="mailto:john.danks@gmail.com" target="_blank">john.danks@gmail.com</a>></span><div>
<div></div><div class="h5"><br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
Which version of pbrt are you using? I was not able to reproduce the<br>
problem with version 2.<br>
<div><div></div><div><br>
On Fri, Oct 30, 2009 at 2:14 PM, Mohamed Yessine Yengui<br>
<<a href="mailto:yengui.yessine@gmail.com" target="_blank">yengui.yessine@gmail.com</a>> wrote:<br>
> Hello!<br>
><br>
> When I tried to render the sphere model with pbrt, I noticed that there was<br>
> a dark point in the resulting image, normally, this point must be<br>
> illuminated. After analyzing, I perceived that the normal vector computed on<br>
> the sphere is not continuous. Could anyone help me to resolve this problem?<br>
><br>
> This is my .pbrt file and you find in attached the resulting image. The<br>
> dark point is in the red circle.<br>
><br>
><br>
><br>
> Film "image" "string filename" ["sphere.exr"]<br>
> "integer xresolution" [500] "integer yresolution" [500]<br>
> Sampler "bestcandidate" "integer pixelsamples" [4]<br>
> LookAt -12 -3 12 0 0 0 0 1 0<br>
> Camera "orthographic"<br>
> WorldBegin<br>
> AttributeBegin<br>
> CoordSysTransform "camera"<br>
> LightSource "distant" "color I" [ 3 3 3 ] "point from" [0 0 0] "point<br>
> to" [-1 -1 1]<br>
> AttributeEnd<br>
> AttributeBegin<br>
> Material "plastic" "color Kd" [1.0 1.0 1.0] "color Ks" [8 8 8] "float<br>
> roughness" [.006]<br>
> Shape "sphere" "float radius" [.3]<br>
> AttributeEnd<br>
> WorldEnd<br>
><br>
> Thanks<br>
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</blockquote></div></div></div><br>
</blockquote></div><br>