Reference:UV Mapping - Revision history

Jholsenback: added more uv examples

2017-07-25T11:29:10Z

added more uv examples

Jholsenback: corrections

2017-07-24T11:00:45Z

corrections

Jholsenback: minor reformat

2017-07-23T15:31:10Z

minor reformat

Jholsenback: 3.8 updates for ovus

2017-07-23T12:58:58Z

3.8 updates for ovus

Jholsenback: version changes

2017-06-26T10:17:45Z

version changes

Jholsenback: New notation added

2016-11-17T14:45:48Z

New notation added

Jholsenback: cone, cylinder added

2016-11-17T13:54:59Z

cone, cylinder added

Jholsenback: lemon correction

2016-09-28T23:05:08Z

lemon correction

Jholsenback: 3.7.1 update

2016-09-23T18:32:45Z

3.7.1 update

Jholsenback: 1 revision: Reference Migration Initial Load

2012-03-15T19:09:11Z

1 revision: Reference Migration Initial Load

@@ Line 51: / Line 51: @@
    <td>
      <p class="caption">UV Boxmap</p>
    </td>
 </tr>

@@ Line 34: / Line 34: @@
     <li><strong>lemon:</strong> wrapped around the object axis (<em>u coordinate</em>) from the base point to the cap point in these (<em>v coordinate</em>) proportions: [0 to 0.25] base (center to radius) [0.25 to 0.75] spindle and [0.75 to 1.0] cap (radius to center).</li>
    <li><strong>mesh, mesh2:</strong> UV coordinates are defined for each vertex and interpolated between.</li>
-   <li><strong>ovus:</strong> uses a slightly bulging conical mapping scheme that has rounded end caps.</li>
+   <li><strong>ovus:</strong> uses a slightly bulging conical mapping scheme that has rounded end caps with the same proportions as the aforementioned lemon.</li>
    <li><strong>parametric:</strong> in this case the map is not taken from a fixed set of coordinates but the map is taken from the area defined by the boundaries of the uv-space, in which the parametric surface has to be calculated.</li>
    <li><strong>sphere:</strong> traditional spherical mapping.</li>

@@ Line 26: / Line 26: @@
 ==Supported Objects==
 <p>{{New}} for version 3.8 the <code>cone</code>, <code>cylinder</code> and <code>lemon</code> were added to the growing list of objects that support UV mapping:</p>
 <ul>
    <li><strong>bicubic_patch:</strong> UV coordinates are based on the patch's parametric coordinates. They stretch with the control points. The default range is (0..1) and can be changed.</li>
@@ Line 39: / Line 40: @@
 </ul>
-<p class="Note"><strong>Note:</strong> A {{Change}} in version 3.8 improves <strong>ovus</strong> mapping as noted above and backward compatibility can be obtained by simply using a <em>spherical</em> <code>warp</code> instead.</p>
+<p class="Note"><strong>Note:</strong> Recent additions revealed <code>torus</code> mapping to be reversed with respect to the u-coordinate. For backward compatibility reasons it remains the same in this release, however this <em>may</em> change in the future.</p>
 <table class="centered" width="660x" cellpadding="0" cellspacing="10">

@@ Line 27: / Line 27: @@
 <p>{{New}} for version 3.8 the <code>cone</code>, <code>cylinder</code> and <code>lemon</code> were added to the growing list of objects that support UV mapping:</p>
 <ul>
-   <li><strong>bicubic_patch</strong> : UV coordinates are based on the patch's parametric coordinates. They stretch with the control points. The default range is (0..1) and can be changed.</li>
+   <li><strong>bicubic_patch:</strong> UV coordinates are based on the patch's parametric coordinates. They stretch with the control points. The default range is (0..1) and can be changed.</li>
-   <li><strong>box</strong> : the image is <em>wrapped</em> around the box, as shown below.</li>
+   <li><strong>box:</strong> the image is <em>wrapped</em> around the box, as shown below.</li>
-   <li><strong>cone, cylinder</strong> : mapping is the same as the lemon object listed below, however, keep in mind that a <em>true</em> cone is <em>not</em> a cylinder.</li>
+   <li><strong>cone, cylinder:</strong> mapping is the same as the lemon object listed below, however, keep in mind that a <em>true</em> cone is <em>not</em> a cylinder.</li>
-   <li><strong>lathe, sor</strong> : modified spherical mapping... the u coordinate (0..1) wraps around the y axis, while the v coordinate is linked to the object's control points (also ranging 0..1). Surface of Revolution also has special disc mapping on the end caps if the object is not <em>open</em>.</li>
+   <li><strong>lathe, sor:</strong> modified spherical mapping... the u coordinate (0..1) wraps around the y axis, while the v coordinate is linked to the object's control points (also ranging 0..1). Surface of Revolution also has special disc mapping on the end caps if the object is not <em>open</em>.</li>
-    <li><strong>lemon</strong> : wrapped around the object axis (<em>u coordinate</em>) from the base point to the cap point in these (<em>v coordinate</em>) proportions: [0 to 0.25] base (center to radius) [0.25 to 0.75] spindle and [0.75 to 1.0] cap (radius to center).</li>
+    <li><strong>lemon:</strong> wrapped around the object axis (<em>u coordinate</em>) from the base point to the cap point in these (<em>v coordinate</em>) proportions: [0 to 0.25] base (center to radius) [0.25 to 0.75] spindle and [0.75 to 1.0] cap (radius to center).</li>
-   <li><strong>mesh, mesh2</strong> : UV coordinates are defined for each vertex and interpolated between.</li>
+   <li><strong>mesh, mesh2:</strong> UV coordinates are defined for each vertex and interpolated between.</li>
-   <li><strong>ovus</strong> : spherical mapping centered near the center of mass of the ovus (moving from one sphere to another as the ratio of radius progresses).</li>
+   <li><strong>ovus:</strong> uses a slightly bulging conical mapping scheme that has rounded end caps.</li>
-   <li><strong>parametric</strong> : in this case the map is not taken from a fixed set of coordinates but the map is taken from the area defined by the boundaries of the uv-space, in which the parametric surface has to be calculated.</li>
+   <li><strong>parametric:</strong> in this case the map is not taken from a fixed set of coordinates but the map is taken from the area defined by the boundaries of the uv-space, in which the parametric surface has to be calculated.</li>
-   <li><strong>sphere</strong> : traditional spherical mapping.</li>
+   <li><strong>sphere:</strong> traditional spherical mapping.</li>
-   <li><strong>torus</strong> : the map is taken from the area &lt;0,0&gt;&lt;1,1&gt; where the u-coordinate is wrapped around the major radius and the the v-coordinate is wrapped around the minor radius. </li>
+   <li><strong>torus:</strong> the map is taken from the area &lt;0,0&gt;&lt;1,1&gt; where the u-coordinate is wrapped around the major radius and the the v-coordinate is wrapped around the minor radius. </li>
 </ul>
 <p class="Note"><strong>Note:</strong> Recent additions revealed <strong>torus</strong> mapping to be reversed with respect to the u-coordinate. For backward compatibility reasons it remains the same in this release, however this <em>may</em> change in the future.</p>

@@ Line 25: / Line 25: @@
 ==Supported Objects==
-<p>{{New}} for version 3.7.1 the <code>cone</code>, <code>cylinder</code> and <code>lemon</code> were added to the growing list of objects that support UV mapping:</p>
+<p>{{New}} for version 3.8 the <code>cone</code>, <code>cylinder</code> and <code>lemon</code> were added to the growing list of objects that support UV mapping:</p>
 <ul>
    <li><strong>bicubic_patch</strong> : UV coordinates are based on the patch's parametric coordinates. They stretch with the control points. The default range is (0..1) and can be changed.</li>

@@ Line 30: / Line 30: @@
    <li><strong>box</strong> : the image is <em>wrapped</em> around the box, as shown below.</li>
    <li><strong>lathe, sor</strong> : modified spherical mapping... the u coordinate (0..1) wraps around the y axis, while the v coordinate is linked to the object's control points (also ranging 0..1). Surface of Revolution also has special disc mapping on the end caps if the object is not 'open'.</li>
-  <li><strong>lemon</strong> : cylindrical mapping wrapped around the axis from the base point to the cap point.</li>
+   <li><strong>lemon</strong> : wrapped around the object axis (<em>u coordinate</em>) from the base point to the cap point in these (<em>v coordinate</em>) proportions: [0 to 0.25] base (center to radius) [0.25 to 0.75] spindle and [0.75 to 1.0] cap (radius to center)</li>
    <li><strong>mesh, mesh2</strong> : UV coordinates are defined for each vertex and interpolated between.</li>
    <li><strong>ovus</strong> : spherical mapping centered near the center of mass of the ovus (moving from one sphere to another as the ratio of radius progresses).</li>
    <li><strong>parametric</strong> : In this case the map is not taken from a fixed set of coordinates but the map is taken from the area defined by the boundaries of the uv-space, in which the parametric surface has to be calculated.</li>
-   <li><strong>sphere</strong> : boring spherical mapping.</li>
+   <li><strong>sphere</strong> : traditional spherical mapping.</li>
    <li><strong>torus</strong> : The map is taken from the area &lt;0,0&gt;&lt;1,1&gt; where the u-coordinate is wrapped around the major radius and the the v-coordinate is wrapped around the minor radius. </li>
 </ul>

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