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committed 62670bb

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# File Documents/Illumination/Tutorial 08.xml

`     <para>It is always best to start simply. And since lighting is a big topic, we will begin with`
`         the simplest possible scenario.</para>`
`     <section>`
`+        <?dbhtml filename="Tut08 Modelling Lights.html" ?>`
`         <title>Modelling Lights</title>`
`         <para>Lighting is complicated. Very complicated. The interaction between a surface and a`
`             light is mostly well understood in terms of the physics. But actually doing the`
`         </section>`
`     </section>`
`     <section>`
`+        <?dbhtml filename="Tut08 Normal Transformation.html" ?>`
`         <title>Normal Transformation</title>`
`         <para>In the last section, we saw that our computation of the cosine of the angle of`
`             incidence has certain requirements. Namely, that the two vectors involved, the surface`
`             transforming it with the model-to-camera matrix.</para>`
`     </section>`
`     <section>`
`+        <?dbhtml filename="Tut08 Global Illumination.html" ?>`
`         <title>Global Illumination</title>`
`         <para>You may notice something very unrealistic about the results of this tutorial. For`
`             example, take this image:</para>`
`             future.</para>`
`     </section>`
`     <section>`
`+        <?dbhtml filename="Tut08 Intensity of Light.html" ?>`
`         <title>Intensity of Light</title>`
`         <para>There are many, many things wrong with the primitive lighting model introduced here.`
`             But one of the most important is the treatment of the lighting intensity.</para>`
`             change; what changes are the numbers fed into them.</para>`
`     </section>`
`     <section>`
`+        <?dbhtml filename="Tut08 In Review.html" ?>`
`         <title>In Review</title>`
`         <para>In this tutorial, you have learned the following:</para>`
`         <itemizedlist>`
`         </section>`
`     </section>`
`     <section>`
`+        <?dbhtml filename="Tut08 Glossary.html" ?>`
`         <title>Glossary</title>`
`         <glosslist>`
`             <glossentry>`