Documentation:Tutorial Section 3.1 - Revision history

Maurice: /* Complex Blob Constructs and Negative Strength */

2026-08-10T00:25:36Z

Complex Blob Constructs and Negative Strength

Maurice: /* Complex Blob Constructs and Negative Strength */ removed colors include from this example to focus on topic and lessen dependencies

2026-08-08T01:21:28Z

Complex Blob Constructs and Negative Strength: removed colors include from this example to focus on topic and lessen dependencies

Maurice: /* Complex Blob Constructs and Negative Strength */

2026-08-08T00:52:13Z

Complex Blob Constructs and Negative Strength

Maurice: /* Complex Blob Constructs and Negative Strength */

2026-08-08T00:50:51Z

Complex Blob Constructs and Negative Strength

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Clipka: Indexentries fix

2016-12-16T14:09:35Z

Indexentries fix

Jholsenback: moved out of place section

2016-12-07T21:20:52Z

moved out of place section

Clipka: indexentry fix

2016-05-03T22:45:05Z

indexentry fix

Jholsenback: 1 revision: link repair after reference reorg

2012-07-01T12:00:02Z

1 revision: link repair after reference reorg

Jholsenback: link repair

2012-06-30T18:40:50Z

link repair

ThorstenFroehlich at 19:55, 26 November 2011

2011-11-26T19:55:16Z

@@ Line 799: / Line 799: @@
    sphere{&lt;+.19,-.73,0&gt;, .45, .85 scale &lt;1.4, 1.25,1&gt;}   //heel
    cylinder{&lt;-.5,-.35,0&gt;, &lt;-.8,.18,-.05&gt;, .23, 1}        //lower pinky
-   cylinder{&lt;-.85,.35,-.095&gt;, &lt;-.95, .58,-.2&gt;, .21, 1}   //upper pinky
+   cylinder{&lt;-.85,.35,-.09&gt;, &lt;-.95, .58,-.2&gt;, .21, 1}    //upper pinky
    cylinder{&lt;-.35,-.48,0.2&gt;, &lt;-.44,.27,.05&gt;, .25, 1}     //lower ring
    cylinder{&lt;-.4,.48,-.05&gt;, &lt;-.55, .9,-.2&gt;, .25, 1}      //upper ring
-   cylinder{&lt;.02,-.03,0.15&gt;, &lt;.01, .39,-.05&gt;, .32, 1}    //lower middle
+   cylinder{&lt;.02,-.03,0.15&gt;, &lt;.01, .39,.05&gt;, .32, 1}     //lower middle
    cylinder{&lt;.05,.54,-.05&gt;, &lt;.17, 1.05,-.5&gt;, .22, 1.75}  //upper middle
    cylinder{&lt;.4,-.20,0.2&gt;, &lt;.54, .2, .05&gt;, .35, 1.05}    //lower index

@@ Line 789: / Line 789: @@
    focal_point&lt;0, 1.2, 0&gt;
+}
-light_source { &lt;-20, 20, -50&gt; color White }
+light_source { &lt;-20, 20, -50&gt; color 1 }
 blob {
    threshold .6
@@ Line 802: / Line 802: @@
    cylinder{&lt;-.35,-.48,0.2&gt;, &lt;-.44,.27,.05&gt;, .25, 1}     //lower ring
    cylinder{&lt;-.4,.48,-.05&gt;, &lt;-.55, .9,-.2&gt;, .25, 1}      //upper ring
-   cylinder{&lt;.02,-.30,0.15&gt;, &lt;.01, .39,-.05&gt;, .32, 1}    //lower middle
+   cylinder{&lt;.02,-.03,0.15&gt;, &lt;.01, .39,-.05&gt;, .32, 1}    //lower middle
    cylinder{&lt;.05,.54,-.05&gt;, &lt;.17, 1.05,-.5&gt;, .22, 1.75}  //upper middle
    cylinder{&lt;.4,-.20,0.2&gt;, &lt;.54, .2, .05&gt;, .35, 1.05}    //lower index

@@ Line 792: / Line 792: @@
 blob {
    threshold .6
-   sphere{&lt;-.23,-.32,0&gt;,.43, 1 scale &lt;1.95,1.05,.8&gt;}   //palm
+   sphere{&lt;-.23,-.32,0&gt;,.43, 1 scale &lt;1.95,1.05,.8&gt;}     //palm
-   sphere{&lt;+.12,-.41,0&gt;,.43, 1 scale &lt;2.15,1.075,.9&gt;}  //palm
+   sphere{&lt;+.12,-.41,0&gt;,.43, 1 scale &lt;2.15,1.075,.9&gt;}    //palm
-   sphere{&lt;-.23,-.63,0&gt;, .45, .75 scale &lt;1.78, 1.3,1&gt;} //midhand
+   sphere{&lt;-.23,-.63,0&gt;, .45, .75 scale &lt;1.78, 1.3,1&gt;}   //midhand
-   sphere{&lt;+.19,-.63,0&gt;, .45, .75 scale &lt;1.78, 1.3,3&gt;} //midhand
+   sphere{&lt;+.19,-.63,0&gt;, .45, .75 scale &lt;1.78, 1.3,3&gt;}   //midhand
-   sphere{&lt;-.22,-.73,0&gt;, .45, .85 scale &lt;1.4, 1.1,1&gt;}  //heel
+   sphere{&lt;-.22,-.73,0&gt;, .45, .85 scale &lt;1.4, 1.1,1&gt;}    //heel
-   sphere{&lt;+.19,-.73,0&gt;, .45, .85 scale &lt;1.4, 1.25,1&gt;} //heel
+   sphere{&lt;+.19,-.73,0&gt;, .45, .85 scale &lt;1.4, 1.25,1&gt;}   //heel
-   cylinder{&lt;-.5,-.35,0&gt;, &lt;-.8,.18,-.05&gt;, .23, 1}      //lower pinky
+   cylinder{&lt;-.5,-.35,0&gt;, &lt;-.8,.18,-.05&gt;, .23, 1}        //lower pinky
-   cylinder{&lt;-.85,.35,-.095&gt;, &lt;-.95, .58,-.2&gt;, .21, 1} //upper pinky
+   cylinder{&lt;-.85,.35,-.095&gt;, &lt;-.95, .58,-.2&gt;, .21, 1}   //upper pinky
-   cylinder{&lt;-.35,-.48,0.2&gt;, &lt;-.44,.27,.05&gt;, .25, 1}   //lower ring
+   cylinder{&lt;-.35,-.48,0.2&gt;, &lt;-.44,.27,.05&gt;, .25, 1}     //lower ring
-   cylinder{&lt;-.4,.48,-.05&gt;, &lt;-.55, .9,-.2&gt;, .25, 1}     //upper ring
+   cylinder{&lt;-.4,.48,-.05&gt;, &lt;-.55, .9,-.2&gt;, .25, 1}      //upper ring
-   cylinder{&lt;.02,-.30,0.15&gt;, &lt;.01, .39,-.05&gt;, .32, 1}//lower middle
+   cylinder{&lt;.02,-.30,0.15&gt;, &lt;.01, .39,-.05&gt;, .32, 1}    //lower middle
-   cylinder{&lt;.05,.54,-.05&gt;, &lt;.17, 1.05,-.5&gt;, .22, 1.75}    //upper middle
+   cylinder{&lt;.05,.54,-.05&gt;, &lt;.17, 1.05,-.5&gt;, .22, 1.75}  //upper middle
-   cylinder{&lt;.4,-.20,0.2&gt;, &lt;.54, .2, .05&gt;, .35, 1.05}      //lower index
+   cylinder{&lt;.4,-.20,0.2&gt;, &lt;.54, .2, .05&gt;, .35, 1.05}    //lower index
-   cylinder{&lt;.58,.4,-0.02&gt;, &lt;.95, .95, -.5&gt;, .21, 1.9}    //upper index
+   cylinder{&lt;.58,.4,-0.02&gt;, &lt;.95, .95, -.5&gt;, .21, 1.9}   //upper index
-   cylinder{&lt;.41, -.95,0&gt;, &lt;.85, -.68, -.05&gt;, .28, 1}  //lower thumb
+   cylinder{&lt;.41, -.95,0&gt;, &lt;.85, -.68, -.05&gt;, .28, 1}    //lower thumb
-   cylinder{&lt;.85,-.68,-.05&gt;, &lt;1.2, -.35, -.2&gt;, .25, 1.2}  //upper thumb
+   cylinder{&lt;.85,-.68,-.05&gt;, &lt;1.2, -.35, -.2&gt;, .25, 1.2} //upper thumb
    pigment{ color srgbf &lt;0.95,0.65,0.55,0.1&gt; } double_illuminate
+}

@@ Line 7: / Line 7: @@
 <br>
 <!--</wikitalk>--->
 {{#indexentry:Shapes, polygon based}}
-===Polygon Based Shapes===
 {{#indexentry:mesh, tutorial}}
 <p>Mesh objects are very useful because they allow us to create objects
 containing hundreds or thousands of triangles. Compared to a simple union of
@@ Line 459: / Line 460: @@
 <code>mesh2</code>. uv_mapping is supported for texturing using a <code>texture_list</code>.</p>
 {{#indexentry:polygon, tutorial}}
 <p>The <code><!--<linkto "polygon">polygon</linkto>--->[[Reference:Polygon|polygon]]</code> object can be used to create any planar, n-sided shapes like squares, rectangles, pentagons, hexagons, octagons, etc.</p>
 <p>
@@ Line 593: / Line 594: @@
 </table>
 {{#indexentry:Shapes, other}}
-===Other Shapes===
 ====Blob Object====
 <p>Blobs are described as spheres and cylinders covered with <em>goo</em> which stretches to smoothly join them (see section <!--<linkto "Blob">Blob</linkto>--->[[Reference:Blob|Blob]]).</p>
@@ Line 710: / Line 712: @@
 strength of two spherical components is overlapping there.</p>
 {{#indexentry:New Features, component types}}
 <p>The shape shown so far is interesting, but limited. POV-Ray has a few
 extra tricks that extend its range of usefulness however. For example, as we
@@ Line 769: / Line 771: @@
 component's interaction with its fellow components. In fact, next let us
 give this fellow something to interact with, shall we?</p>
 {{#indexentry:Blob Constructs, complex}}
 {{#indexentry:Negative Strength, blob}}
 <p>Beginning a new POV-Ray file, we enter
 this somewhat more complex example:</p>
@@ Line 864: / Line 867: @@
 knowledge of blob mechanics to make a wide array of smooth, flowing organic
 shapes!</p>
 {{#indexentry:height_field, tutorial}}
 <p>A <code>height_field</code> is an object that has a surface that is
 determined by the color value or palette index number of an image designed

@@ Line 967: / Line 967: @@
 <p>Wow! The Himalayas have come to our computer screen!</p>
 <!--<wikinav>--->
 <br>
@@ Line 983: / Line 973: @@
 [[Documentation:Tutorial Section 3#Text Object|Text Object]]</td>
 <td width=50% bgcolor=#EEEEEF align=right>
-[[Documentation:Tutorial Section 3.2#Simple functions|Simple functions]]</td></tr>
+[[Documentation:Tutorial Section 3.2#Isosurface Object|Isosurface Object]]</td></tr>
 </table>
 <!--</wikinav>--->

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

@@ Line 26: / Line 26: @@
 sides. We create an empty file called <code>meshdemo.pov</code> and add the
 following lines. Note that a mesh is - not surprisingly - declared using the
-keyword <code><!--<linkto "mesh">mesh</linkto>--->[[Documentation:Reference Section 4.1#Mesh|mesh]]</code>.</p>
+keyword <code><!--<linkto "mesh">mesh</linkto>--->[[Reference:Mesh|mesh]]</code>.</p>
 <pre>
    camera {
@@ Line 461: / Line 461: @@
 {{#indexentry:polygon, tutorial}}
 ====Polygon Object====
-<p>The <code><!--<linkto "polygon">polygon</linkto>--->[[Documentation:Reference Section 4.2#Polygon|polygon]]</code> object can be used to create any planar, n-sided
+<p>The <code><!--<linkto "polygon">polygon</linkto>--->[[Reference:Polygon|polygon]]</code> object can be used to create any planar, n-sided shapes like squares, rectangles, pentagons, hexagons, octagons, etc.</p>
 <p>
 A polygon is defined by a number of points that describe its shape. Since
@@ Line 597: / Line 596: @@
 ===Other Shapes===
 ====Blob Object====
-<p>Blobs are described as spheres and cylinders covered with <em>goo</em>
+<p>Blobs are described as spheres and cylinders covered with <em>goo</em> which stretches to smoothly join them (see section <!--<linkto "Blob">Blob</linkto>--->[[Reference:Blob|Blob]]).</p>
 <p>
 Ideal for modeling atoms and molecules, blobs are also powerful tools for
@@ Line 884: / Line 882: @@
 </pre>
-<p>The <code><!--<linkto "hf_gray_16">hf_gray_16</linkto>--->[[Documentation:Reference Section 3.1#HF_Gray_16|hf_gray_16]]</code> keyword causes the output to be in a special
+<p>The <code><!--<linkto "hf_gray_16">hf_gray_16</linkto>--->[[Reference:Global Settings#HF_Gray_16|hf_gray_16]]</code> keyword causes the output to be in a special 16 bit grayscale that is perfect for generating height fields. The normal 8 bit output will lead to less smooth surfaces.</p>
 <p>
 Now we create a camera positioned so that it points directly down the z-axis