Documentation:Tutorial Section 3.6 - Revision history

Jholsenback: link repair after build error

2016-12-17T17:04:14Z

link repair after build error

Clipka: indexentry fix

2016-05-03T22:49:15Z

indexentry fix

Jholsenback: link typo

2012-07-02T12:23:20Z

link typo

Jholsenback: 1 revision: link repair after reference reorg

2012-07-01T12:00:07Z

1 revision: link repair after reference reorg

Jholsenback: link repair

2012-07-01T01:25:36Z

link repair

ThorstenFroehlich at 20:04, 26 November 2011

2011-11-26T20:04:20Z

Jholsenback: image format updates

2011-06-02T11:08:42Z

image format updates

Jholsenback: cleaning up a validation error

2011-01-09T11:55:34Z

cleaning up a validation error

Jholsenback: continue cleanup pass

2010-09-16T18:25:32Z

continue cleanup pass

Jholsenback: heading changes

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@@ Line 495: / Line 495: @@
 The first number inside the curly brackets is the scattering media type. In this
 example we used scattering media type 1. A full list of scattering media types
-is given in the section [[Reference:Media#Scattering|scattering]] of the Media reference.</p>
+is given in the section [[Reference:Media Types#Scattering|scattering]] of the Media reference.</p>
 <p>The second parameter is the overall color of the media, similar to the

@@ Line 61: / Line 61: @@
 non-filtering fogs, fogs with a translucency threshold, etc.</p>
 =====Fog and Hollow Objects=====
-{{#indexentry:Fog, hollow objects|Hollow Objects, fog inside}}
+{{#indexentry:Fog, hollow objects}}
 <p>Whenever you use the fog feature and the camera is inside a non-hollow
 object you will not get any fog effects. For a detailed explanation why this
@@ Line 71: / Line 72: @@
 ====The Rainbow====
-{{#indexentry:Rainbow, the|rainbow, tutorial}}
+{{#indexentry:Rainbow, the}}
 <p>The <code>[[Reference:Rainbow|rainbow]]</code> feature can be used
 to create rainbows and maybe other more strange effects. The rainbow is a fog

@@ Line 493: / Line 493: @@
 The first number inside the curly brackets is the scattering media type. In this
 example we used scattering media type 1. A full list of scattering media types
-is given in the section [[ReferenceMedia#Scattering| scattering ]]</code> of the Media reference.</p>
+is given in the section [[Reference:Media#Scattering|scattering]] of the Media reference.</p>
 <p>The second parameter is the overall color of the media, similar to the

@@ Line 64: / Line 64: @@
 <p>Whenever you use the fog feature and the camera is inside a non-hollow
 object you will not get any fog effects. For a detailed explanation why this
-happens see <!--<linkto "Empty and Solid Objects">Empty and Solid Objects</linkto>--->[[Documentation:Reference Section 6#Empty and Solid Objects|Empty and Solid Objects]].</p>
+happens see [[Reference:Interior#Empty and Solid Objects|Empty and Solid Objects]].</p>
 <p>
 In order to avoid this problem you have to make all those objects hollow by
-either making sure the camera is outside these objects (using the <!--<linkto "inverse">inverse</linkto>---><code>[[Documentation:Reference Section 4.5#Inverse|inverse]]</code>
+either making sure the camera is outside these objects (using the <code>[[Reference:Inverse Object Modifier|inverse]]</code>
-keyword) or by adding the <!--<linkto "hollow">hollow</linkto>---><code>[[Documentation:Reference Section 4.5#Hollow|hollow]]</code> to them (which is much easier).</p>
+keyword) or by adding the <code>[[Reference:Hollow Object Modifier|hollow]]</code> to them (which is much easier).</p>
 ====The Rainbow====
 {{#indexentry:Rainbow, the|rainbow, tutorial}}
-<p>The <!--<linkto "rainbow">rainbow</linkto>---><code>[[Documentation:Reference Section 3.1#Rainbow|rainbow]]</code> feature can be used
+<p>The <code>[[Reference:Rainbow|rainbow]]</code> feature can be used
 to create rainbows and maybe other more strange effects. The rainbow is a fog
 like effect that is restricted to a cone-like volume.</p>
@@ Line 83: / Line 83: @@
 the color map to be used.</p>
 <p>
-The size and shape of the rainbow are determined by the <!--<linkto "angle">angle</linkto>---><code>[[Documentation:Reference Section 3.1#Rainbow|angle]]</code>
+The size and shape of the rainbow are determined by the <code>[[Reference:Rainbow|angle]]</code>
-and <!--<linkto "width">width</linkto>---><code>[[Documentation:Reference Section 3.1#Rainbow|width]]</code> keywords. The <!--<linkto "direction">direction</linkto>---><code>[[Documentation:Reference Section 3.1#Rainbow|width]]</code>
+and <code>[[Reference:Rainbow|width]]</code> keywords. The <code>[[Reference:Rainbow|width]]</code>
 keyword is used to set the direction of the incoming light, thus setting the
 rainbow's position. The rainbow is visible when the angle between the direction
@@ Line 227: / Line 227: @@
 <p>Currently our rainbow has a circular shape, even though most of it is
 hidden below the ground plane. You can easily create a rainbow arc by using
-the <!--<linkto "arc_angle">arc_angle</linkto>---><code>[[Documentation:Reference Section 3.1#Rainbow|arc_angle]]</code> keyword with an angle below 360 degrees.</p>
+the <code>[[Reference:Rainbow|arc_angle]]</code> keyword with an angle below 360 degrees.</p>
 <p>
 If you use <code>arc_angle 120</code> for example you will get a rainbow
 arc that abruptly vanishes at the arc's ends. This does not look good. To
-avoid this the <!--<linkto "falloff_angle">falloff_angle</linkto>---><code>[[Documentation:Reference Section 3.1#Rainbow|falloff_angle]]</code> keyword can be used to specify a
+avoid this the <code>[[Reference:Rainbow|falloff_angle]]</code> keyword can be used to specify a
 region where the arc smoothly blends into the background.</p>
 <p>
-As explained in the rainbow's reference section (see <!--<linkto "Rainbow">Rainbow</linkto>--->[[Documentation:Reference Section 3.1#Rainbow|Rainbow]]) the arc extends from -arc_angle/2 to arc_angle/2 while
+As explained in the rainbow's reference section (see [[Reference:Rainbow|Rainbow]]) the arc extends from -arc_angle/2 to arc_angle/2 while
 the blending takes place from -arc_angle/2 to -falloff_angle/2 and
 falloff_angle/2 to arc_angle/2. This is the reason why the <code>falloff_angle</code>
@@ Line 493: / Line 493: @@
 The first number inside the curly brackets is the scattering media type. In this
 example we used scattering media type 1. A full list of scattering media types
-is given in the section <!--<linkto "scattering"> scattering </linkto>---><code>[[Documentation:Reference Section 6.1#Scattering| scattering ]]</code> of the Media reference.</p>
+is given in the section [[ReferenceMedia#Scattering| scattering ]]</code> of the Media reference.</p>
 <p>The second parameter is the overall color of the media, similar to the

@@ Line 10: / Line 10: @@
 <!--REMOVE--->====The Fog====<!--THIS--->
 =====Using Multiple Layers of Fog=====
-<!--<indexentry "Fog, using multiple layers of">--->
+{{#indexentry:Fog, using multiple layers of}}
 <p>It is possible to use several layers of fog by using more than one fog
 statement in your scene file. This is quite useful if you want to get nice
@@ Line 61: / Line 61: @@
 non-filtering fogs, fogs with a translucency threshold, etc.</p>
 =====Fog and Hollow Objects=====
-<!--<indexentry "Fog, hollow objects" "Hollow Objects, fog inside">--->
+{{#indexentry:Fog, hollow objects|Hollow Objects, fog inside}}
 <p>Whenever you use the fog feature and the camera is inside a non-hollow
 object you will not get any fog effects. For a detailed explanation why this
@@ Line 71: / Line 71: @@
 ====The Rainbow====
-<!--<indexentry "Rainbow, the" "rainbow, tutorial">--->
+{{#indexentry:Rainbow, the|rainbow, tutorial}}
 <p>The <!--<linkto "rainbow">rainbow</linkto>---><code>[[Documentation:Reference Section 3.1#Rainbow|rainbow]]</code> feature can be used
 to create rainbows and maybe other more strange effects. The rainbow is a fog
@@ Line 77: / Line 77: @@
 =====Starting With a Simple Rainbow=====
-<!--<indexentry "Rainbow, simple">--->
+{{#indexentry:Rainbow, simple}}
 <p>The rainbow is specified with a lot of parameters: the angle under which
 it is visible, the width of the color band, the direction of the incoming
@@ Line 175: / Line 175: @@
 =====Increasing the Rainbow's Translucency=====
-<!--<indexentry "Rainbow, increasing translucency of">--->
+{{#indexentry:Rainbow, increasing translucency of}}
 <p>The result we have so far looks much too bright. Just reducing the
 rainbow's color helps but it is much better to increase the
@@ Line 224: / Line 224: @@
 <p>The resulting image looks much more realistic than our first rainbow.</p>
 =====Using a Rainbow Arc=====
-<!--<indexentry "Rainbow, using an arc">--->
+{{#indexentry:Rainbow, using an arc}}
 <p>Currently our rainbow has a circular shape, even though most of it is
 hidden below the ground plane. You can easily create a rainbow arc by using
@@ Line 284: / Line 284: @@
 ===Simple Media Tutorial===
-<!--<indexentry "media, tutorial">--->
+{{#indexentry:media, tutorial}}
 <p>Media in POV-Ray is a very versatile feature and can be used for a very
 diverse set of special effects such as glows, smoke, dust, fog, etc. However, due to its versatility, media is not one of the easiest and simplest features of

← Older revision	Revision as of 12:00, 1 July 2012
(No difference)

@@ Line 45: / Line 45: @@
 </pre>
-<p>[[Image:TutImgMultifog.png|Using multiple layers of fog.]]</p>
+<table class="centered" width="340px" cellpadding="0" cellspacing="10">
 <p>You can combine constant density fogs, ground fogs, filtering fogs,
@@ Line 146: / Line 157: @@
 <p>Some irregularity is added to the color bands using the <!--<linkto "jitter">jitter</linkto>---><code>[[Documentation:Tutorial Section 3.8#Do Not Use Jitter Or Crand|jitter]]</code> keyword.</p>
-<p>[[Image:TutImgCrainbow.png|A colorful rainbow.]]</p>
+<table class="centered" width="340px" cellpadding="0" cellspacing="10">
 <p>The rainbow in our sample is much too bright. You will never see a
@@ Line 187: / Line 209: @@
 make it softly blend into the background.</p>
-<p>[[Image:TutImgRrainbow.png|A much more realistic rainbow.]]</p>
+<table class="centered" width="340px" cellpadding="0" cellspacing="10">
 <p>The resulting image looks much more realistic than our first rainbow.</p>
@@ Line 235: / Line 268: @@
 the y-axis.</p>
-<p>[[Image:TutImgArainbow.png|A rainbow arc.]]</p>
+<table class="centered" width="340px" cellpadding="0" cellspacing="10">
 <p>We finally have a realistic looking rainbow arc.</p>
@@ Line 345: / Line 389: @@
 yellow and red at the outer limits of the unit sphere: </p>
-<p>[[Image:TutImgMediatut1.png|Simple emitting media example]]</p>
+<table class="centered" width="340px" cellpadding="0" cellspacing="10">
 <p>As you can see from the image, the emitting media is invisible against white
@@ Line 372: / Line 427: @@
 </pre>
-<p>[[Image:TutImgMediatut2.png|Simple absorbing media example]] </p>
+<table class="centered" width="340px" cellpadding="0" cellspacing="10">
 <p>The feature which we immediately notice in the image is that the media seems
@@ Line 407: / Line 473: @@
 </pre>
-<p>[[Image:TutImgMediatut3.png|Simple scattering media example]]</p>
+<table class="centered" width="340px" cellpadding="0" cellspacing="10">
 <p>(The effect may look a bit unnatural for a fog effect because the media is

@@ Line 247: / Line 247: @@
 ====Types of media====
 <p>There are three types of media in POV-Ray: Emitting, absorbing and
-scattering. They have the following properties:
+scattering. They have the following properties:</p>
 <ul>
    <li>Emitting: This is an additive media, which is handled as if it only emits
@@ Line 264: / Line 264: @@
 media).</li>
 </ul>
 <p>Emitting and absorbing medias are the simplest and thus fastest ones.