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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