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- ="338" HEIGHT="208"></p>
- <p>The UV Map operation is used to apply a material to a selection and then permit the
- adjustment of the created texture mapping coordinates.</p>
- <p>The left panel is the UV Map preview. The right panel is used to adjust the texture map
- coordinates. Each green handle corresponds to the mapping position of a point. These
- handles can be moved to adjust the point's texture map coordinates.</p>
- <p><img src="../images/Button-DeleteSmall.gif" alt="Button-DeleteSmall.gif (918 bytes)" WIDTH="21" HEIGHT="21">
- resets all texture coordinates to their unmodified positions.<!--mstheme--></font></td>
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- <title>Using the Crease Operation</title>
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- <td><!--mstheme--><font face="arial, arial, helvetica"><h4>Using the Crease Operation</h4>
- <p><img src="../images/Operation-Crease-A.gif" alt="Operation-Crease-A.gif (6477 bytes)" WIDTH="209" HEIGHT="235"></p>
- <p>You can increase or decrease the amount of creasing on an object by adjusting the
- slider. Note that this does not actually affect the shape of the object, just how 3D
- Canvas smoothes it while rendering.<!--mstheme--></font></td>
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- <title>Using the Particle Operation</title>
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- <td><!--mstheme--><font face="arial, arial, helvetica"><h4>Using the Particle Operation</h4>
- <p>The Particle operation is used to clone objects. This is a good way to create a forest
- from a single tree or a lawn from a single blade of grass.</p>
- <p>This cloning process can be animated so that a single smoke particle can be become a
- trail of smoke from an engine or smoke coming from a fire.</p>
- <p><strong>Modeling</strong></p>
- <p>Various effects such as scaling, rotating and translating (moving) can be applied to
- each object clone. Instead of a simple static effect being applied to each clone, each
- clone is given a random effect within a specified range. So for instance if you were to
- enter -10 to 10 in the <strong>Translate X</strong> section each object would be
- translated between -10 and 10 units along the X axis. The result would be a random
- distribution of between -10 and 10 units.</p>
- <p>The Translate effect is in 3D Canvas units, the Rotate effect is in degrees, and the
- remaining effects are in percent. So for instance a range of -20 to 20 in the <strong>Scale
- X</strong> section means scale the object between -20% and 20% along the X axis. Note that
- if an object has no X width it will not get larger since 0 * 120% = 0. This is true of all
- effects that use percentages. If an object has no red component in its color you will not
- be able to affect the red component of the color.</p>
- <p><strong>Animation</strong></p>
- <p>Animation provides many more options but the above description still applies. The big
- difference is that rather than having a large number of particles created all at once, the
- particles are generated during the animation. The <strong>Generation Frequency</strong>
- indicates how many particles are generated for every animation key-frame. Note that
- particles are not generated until the first key-frame of animation for the object's frame.
- So if the frame doesn't have any key-frames until time 5 there will be no particles cloned
- until time 5.</p>
- <p>In addition to setting an initial range of effe