<a name="999879"> </a>The Apply Surface Texture effect lets you add a three-dimensional surface texture to your image. You can use this feature to apply a paper texture across the image, to give depth to the brush strokes of an oil painting, or to make mosaic tiles three-dimensional.
</p>
<p id="1047485" class="Body">
<a name="1047485"> </a>Surface texture is created either by applying a paper texture or by using information from a clone source to determine depth and height. There are five methods for creating texture:
</p>
<ul>
<li class="SmartList1"><a name="1047486"> </a>Using a paper texture</li>
<li class="SmartList1"><a name="1047487"> </a>Using the difference from a clone source</li>
<li class="SmartList1"><a name="1047489"> </a>Using the luminance from a clone source</li>
<li class="SmartList1"><a name="1047490"> </a>Using a channel or layer mask</li>
</ul>
<p id="1047500" class="Body">
<a name="1047500"> </a>The Apply Surface Texture effect also lets you apply a reflection map to your surfaces that can make the textured parts of the image look metallic or glass-like. Refer to <a href="15-Effects9.html#1012949">"Working with Reflection Maps"</a> for more information.
</p>
<p id="1047504" class="Body">
<a name="1047504"> </a>Your computer must have a math coprocessor to use the Apply Surface Texture effect.
<a name="1005090"> </a><i>Examples of effects created with Apply Surface Texture.
</i></p>
<h3 id="1013079" class="Heading2">
<a name="1013079"> </a>Setting Appearance of Depth Properties
</h3>
<p id="1013080" class="Body">
<a name="1013080"> </a>The surface texture you apply is made up of a material. That material can be subtle and blend with the original image, or it can be highly reflective or shiny, distorting the original image.
</p>
<p id="1013081" class="Body">
<a name="1013081"> </a>The Appearance of Depth sliders on the Apply Surface Texture dialog let you control material properties.
</p>
<ul>
<li class="SmartList1"><a name="1013082"> </a>The Amount slider controls how much surface texture is applied to the image. Moving the slider all the way to the right applies the maximum amount.</li>
<li class="SmartList1"><a name="1013083"> </a>Picture controls how much of the color from the original image is applied to the texture. At 100%, the full color of the picture shines through. Move the slider to the left to display more black, leaving only the shine.</li>
<li class="SmartList1"><a name="1013084"> </a>The Shine slider controls how much highlight appears on the surface of the texture. Higher Shine values make the texture look metallic.</li>
<li class="SmartList1"><a name="1013085"> </a>Reflection maps a clone source image or pattern onto the texture at a variable percentage. </li>
</ul>
<h3 id="1013069" class="Heading2">
<a name="1013069"> </a>Creating Texture Using Paper
</h3>
<p id="1013071" class="Body">
<a name="1013071"> </a>When you create a texture using Paper, the current paper texture is applied to your image. If the Papers palette is open, you can choose different papers and change their scale to try different textures.
</p>
<p id="999919" class="Body">
<a name="999919"> </a>The preview window is updated automatically to reflect paper changes.
<li class="SmartList1" value="3"><a name="999943"> </a>In the Apply Surface Texture dialog box, choose Paper from the Using pop-up menu. </li>
<p id="999944" class="ToDoBody">
<a name="999944"> </a>If you want to apply an inverted paper texture, enable the Inverted check box.
</p>
<li class="SmartList1" value="4"><a name="999945"> </a>Adjust the Softness slider to control the amount of distortion created by the texture. </li>
<p id="999946" class="ToDoBody">
<a name="999946"> </a>Increasing softness creates more intermediate steps, which produces a smoother distortion.
</p>
<li class="SmartList1" value="5"><a name="999947"> </a>Adjust the Appearance of Depth sliders. </li>
<p id="1012474" class="ToDoBody">
<a name="1012474"> </a>Refer to <a href="15-Effects9.html#1013079">"Setting Appearance of Depth Properties"</a> for more information.
</p>
<li class="SmartList1" value="6"><a name="999951"> </a>Adjust the Light Controls sliders.</li>
<p id="1012486" class="ToDoBody">
<a name="1012486"> </a>For more information, refer to <a href="15-Effects9.html#1046086">"Applying Lighting to a Texture"</a>.
</p>
<li class="SmartList1" value="7"><a name="999955"> </a>Click OK to apply the effect.</li>
</ol>
<h3 id="999957" class="Heading2">
<a name="999957"> </a>Creating Texture Using 3D Brush Strokes
</h3>
<p id="1012547" class="Body">
<a name="1012547"> </a>When you create a texture using 3D Brush Strokes, the difference in luminance between the clone source and the current document is used to determine the look of the texture.
</p>
<p id="1046129" class="Body">
<a name="1046129"> </a>If you change the colors in the clone or posterize the clone, the texture is based on color differences. If you paint on the clone, however, you can make the brush strokes appear three-dimensional, giving them the illusion of oil paints.
</p>
<p id="1012532" class="Body">
<a name="1012532"> </a>For information about cloning, refer to <a href="11-Cloning3.html#1000147">"Cloning Imagery"</a>.
<li class="SmartList1" value="5"><a name="1000011"> </a>In the Apply Surface Texture dialog box, choose 3D Brush Strokes from the Using pop-up menu. </li>
<p id="1000012" class="ToDoBody">
<a name="1000012"> </a>If you want to apply an inverted texture, enable the Inverted check box.
</p>
<li class="SmartList1" value="6"><a name="1000013"> </a>Adjust the Softness slider to control the amount of distortion created by the texture. </li>
<p id="1000014" class="ToDoBody">
<a name="1000014"> </a>Increasing softness creates more intermediate steps, which produces a smoother distortion.
</p>
<li class="SmartList1" value="7"><a name="1012605"> </a>Adjust the Appearance of Depth sliders. </li>
<p id="1012608" class="ToDoBody">
<a name="1012608"> </a>Refer to <a href="15-Effects9.html#1013079">"Setting Appearance of Depth Properties"</a> for more information.
</p>
<li class="SmartList1" value="8"><a name="1012610"> </a>Adjust the Light Controls sliders.</li>
<p id="1012611" class="ToDoBody">
<a name="1012611"> </a>For more information, refer to <a href="15-Effects9.html#1046086">"Applying Lighting to a Texture"</a>.
</p>
<li class="SmartList1" value="9"><a name="1000023"> </a>Click OK to apply the texture.</li>
<a name="1000028"> </a>Because the 3D Brush Strokes method uses the difference between the clone source and its clone to define a 3D texture, you can create the illusion of dimensional oils by painting on the clone.
</p>
<p id="1000029" class="Body">
<a name="1000029"> </a>The look of the strokes on the clone determines how realistic the final 3D strokes appear. So, you may want to set up a more complex brush before painting. For example, you can apply a paper texture to the stroke.
<a name="1005200"> </a><i>An example of 3D brush strokes with paper texture.
</i></p>
<p id="1000039" class="Body">
<a name="1000039"> </a>Many of the brush variants reveal the paper texture automatically in their strokes.
</p>
<p id="1000040" class="Body">
<a name="1000040"> </a>You can apply a paper texture when you first create an image, then paint or draw over it to make a textured canvas for your strokes. However, the texture is erasable, so you might not end up with the same texture across the document surface. Generally, you'll add the paper texture as the last step in producing artwork.
</p>
<p id="1005217" class="Body">
<a name="1005217"> </a>You can also use advanced brush settings to make realistic strokes. For example, you can use the Brush Loading option to move underlying colors as you make brush strokes. You can also apply other settings like Bleed and Max/Min Brush size to create complex strokes. Refer to <a href="10-Brushes3.html#1005040">"Customizing Brushes"</a> for more on these features.
<a name="1005241"> </a><i>An example of 3D brush strokes with Brush Loading and Bleed settings applied.
</i></p>
<h3 id="1005231" class="Heading2">
<a name="1005231"> </a>Creating Texture Using Image Luminance
</h3>
<p id="1000055" class="Body">
<a name="1000055"> </a>When you create a texture using the Image Luminance method, the current image's luminance, or lightness, determines where surface texture is added. Light parts of the image create dents; darker parts create raised areas.
</p>
<p id="1000057" class="Body">
<a name="1000057"> </a>The overall effect gives an embossed look to the edges of the imagery.
<li class="SmartList1" value="3"><a name="1000072"> </a>In the Apply Surface Texture dialog box, choose Image Luminance from the Using pop-up menu. </li>
<p id="1012643" class="ToDoBody">
<a name="1012643"> </a>If you want to apply an inverted texture, enable the Inverted check box.
</p>
<li class="SmartList1" value="4"><a name="1000083"> </a>Adjust the Softness slider to control the amount of distortion created by the texture. </li>
<p id="1000084" class="ToDoBody">
<a name="1000084"> </a>Increasing softness creates more intermediate steps, which produces a smoother distortion.
</p>
<li class="SmartList1" value="5"><a name="1012651"> </a>Adjust the Appearance of Depth sliders. </li>
<p id="1012654" class="ToDoBody">
<a name="1012654"> </a>Refer to <a href="15-Effects9.html#1013079">"Setting Appearance of Depth Properties"</a> for more information.
</p>
<li class="SmartList1" value="6"><a name="1012656"> </a>Adjust the Light Controls sliders.</li>
<p id="1012657" class="ToDoBody">
<a name="1012657"> </a>For more information, refer to <a href="15-Effects9.html#1046086">"Applying Lighting to a Texture"</a>.
</p>
<li class="SmartList1" value="7"><a name="1000093"> </a>Click OK to apply the texture.</li>
</ol>
<h3 id="1000096" class="Heading2">
<a name="1000096"> </a>Creating Texture Using Clone Source Luminance
</h3>
<p id="1000098" class="Body">
<a name="1000098"> </a>When you create a texture using clone source luminance, the dents and bumps in the texture are determined by the light and dark areas in the clone source, and applied to its clone.
</p>
<p id="1000099" class="Body">
<a name="1000099"> </a>The unique thing about this method is that you can create interesting embossed looks by changing the clone source. Any image effects or brush strokes you apply to the source result in different textures.
</p>
<p id="1000100" class="Body">
<a name="1000100"> </a>For example, you can create raised areas in the clone by darkening the area in the source image.
<li class="SmartList1" value="6"><a name="1000127"> </a>In the Apply Surface Texture dialog box, choose Original Luminance from the Using pop-up menu. </li>
<p id="1012705" class="ToDoBody">
<a name="1012705"> </a>If you want to apply an inverted texture, enable the Inverted check box.
</p>
<li class="SmartList1" value="7"><a name="1000129"> </a>Adjust the Softness slider to control the amount of distortion created by the texture. </li>
<p id="1000130" class="ToDoBody">
<a name="1000130"> </a>Increasing softness creates more intermediate steps, which produces a smoother distortion.
</p>
<li class="SmartList1" value="8"><a name="1012713"> </a>Adjust the Appearance of Depth sliders. </li>
<p id="1012716" class="ToDoBody">
<a name="1012716"> </a>Refer to <a href="15-Effects9.html#1013079">"Setting Appearance of Depth Properties"</a> for more information.
</p>
<li class="SmartList1" value="9"><a name="1012718"> </a>Adjust the Light Controls sliders.</li>
<p id="1012719" class="ToDoBody">
<a name="1012719"> </a>For more information, refer to <a href="15-Effects9.html#1046086">"Applying Lighting to a Texture"</a>.
</p>
<li class="SmartList1" value="10"><a name="1000139"> </a>Click OK to apply the texture.</li>
</ol>
<h3 id="1000142" class="Heading2">
<a name="1000142"> </a>Creating Embossing Effects
</h3>
<p id="1041298" class="Body">
<a name="1041298"> </a>One of the most effective ways of using the Original Luminance method is to create an embossed image. Unlike standard emboss effects, Apply Surface Texture lets you control not only the height of the texture, but also the lighting and material properties of the embossing.
<li class="SmartList1" value="8"><a name="1000163"> </a>In the Apply Surface Texture dialog box, choose Original Luminance from the Using pop-up menu. </li>
<p id="1012775" class="ToDoBody">
<a name="1012775"> </a>The preview window shows how the embossed image will look.
</p>
<li class="SmartList1" value="9"><a name="1000172"> </a>Adjust any of the Appearance of Depth or Light Controls sliders. </li>
<li class="SmartList1" value="10"><a name="1000173"> </a>Click a Light Direction button to change the location of highlights and shadows.</li>
<p id="1000174" class="ToDoBody">
<a name="1000174"> </a>If you want to change the light color, click the Light Color icon and choose a color from the color picker.
</p>
<li class="SmartList1" value="11"><a name="1000175"> </a>When you are satisfied with the settings, click OK to apply the effect.</li>
</ol>
<h3 id="1046147" class="Heading2">
<a name="1046147"> </a>Creating Texture Using Channels and Layer Masks
</h3>
<p id="1046150" class="Body">
<a name="1046150"> </a>Corel Painter lets you produce surface texture based on an alpha channel or a layer mask.
</p>
<p id="1005338" class="Body">
<a name="1005338"> </a>You can use this method only if your image has a saved alpha channel or a layer with a layer mask.
</p>
<p id="1041370" class="Body">
<a name="1041370"> </a>When you choose a channel, the texture is applied around the edges of the channel so that the area it covers appears raised.
</p>
<p id="1012818" class="Body">
<a name="1012818"> </a>When you choose a layer mask, the layer mask is used to determine the boundaries of the texture. In this case, texture is applied to the edges of the layer mask. Refer to <a href="14-Layers12.html#1015246">"Working with Layer Masks"</a> for more on layer masks.
<li class="SmartList1" value="3"><a name="1000232"> </a>In the Apply Surface Texture dialog box, choose the channel or layer mask from the Using pop-up menu. </li>
<p id="1012865" class="ToDoBody">
<a name="1012865"> </a>If you want to apply an inverted texture, enable the Inverted check box.
</p>
<li class="SmartList1" value="4"><a name="1000234"> </a>Adjust the Softness slider to control the amount of distortion created by the texture. </li>
<p id="1000235" class="ToDoBody">
<a name="1000235"> </a>Increasing softness creates more intermediate steps, which produces a smoother distortion.
</p>
<li class="SmartList1" value="5"><a name="1012869"> </a>Adjust the Appearance of Depth sliders. </li>
<p id="1012872" class="ToDoBody">
<a name="1012872"> </a>Refer to <a href="15-Effects9.html#1013079">"Setting Appearance of Depth Properties"</a> for more information.
</p>
<li class="SmartList1" value="6"><a name="1012874"> </a>Adjust the Light Controls sliders.</li>
<p id="1012875" class="ToDoBody">
<a name="1012875"> </a>For more information, refer to <a href="15-Effects9.html#1046086">"Applying Lighting to a Texture"</a>.
</p>
<li class="SmartList1" value="7"><a name="1009413"> </a>Click OK to apply the texture.</li>
</ol>
<h3 id="1012949" class="Heading2">
<a name="1012949"> </a>Working with Reflection Maps
</h3>
<p id="1012950" class="Body">
<a name="1012950"> </a>A Reflection map is an image mapped onto a texture to produce the illusion that it's reflecting light from the surrounding environment. You can use the reflection map pattern to quickly apply a realistic reflection. In most cases, a reflection map makes your texture look like chrome or polished metal.
<a name="1013369"> </a>You can use either a pattern or a clone source image as a reflection map. By adjusting the Reflection slider, you control how much of the image appears in the texture.
</p>
<p id="1012958" class="Body">
<a name="1012958"> </a>If your image has a clone source, the source image is mapped onto the texture. Otherwise Corel Painter uses the current pattern as the reflection map.
</p>
<p id="1013732" class="Body">
<a name="1013732"> </a>You can use the Image Warp effect to approximate the reflection from a curved surface. For more information, refer to <a href="15-Effects10.html#1000531">"Image Warp"</a>.
</p>
<h5 id="1012970" class="ToDoHead">
<a name="1012970"> </a>To create a reflection map from a clone source
</h5>
<ol type="1">
<li class="SmartList1" value="1"><a name="1012971"> </a>Create a new image to use as the reflection. </li>
<p id="1013748" class="ToDoBody">
<a name="1013748"> </a>If you want to approximate the reflection from a curved surface, apply the Image Warp effect.
<li class="SmartList1" value="3"><a name="1012974"> </a>In the original image, select the area you want to be reflective. </li>
<li class="SmartList1" value="4"><a name="1012975"> </a>Choose <span style="color: #000000; font-style: normal; font-weight: bold; text-decoration: none; text-transform: none; vertical-align: baseline">Layers menu > New Layer</span> to create a new layer from the selection. </li>
<li class="SmartList1" value="5"><a name="1013386"> </a>On the Layers palette, select the layer, and click the Create Layer Mask button <img src="images/15-Effects73.jpg" height="16" width="16" border="0" hspace="0" vspace="0" />
.</li>
<p id="1012976" class="ToDoBody">
<a name="1012976"> </a>Using a layer mask simplifies the process because the layer mask matches the shape of the reflection area exactly. Refer to <a href="14-Layers12.html#1015246">"Working with Layer Masks"</a> for more information about layer masks.
<li class="SmartList1" value="8"><a name="1012989"> </a>In the Apply Surface Texture dialog box, choose the layer mask from the Using pop-up menu. </li>
<li class="SmartList1" value="9"><a name="1012991"> </a>Adjust the Reflection slider to control the amount of reflection you want.</li>
<li class="SmartList1" value="10"><a name="1012992"> </a>Adjust the Softness slider to control the mapping from the edges of the layer's image. </li>
<p id="1012993" class="ToDoBody">
<a name="1012993"> </a>Increasing Softness gives a rounder, more three-dimensional look to the surface.
</p>
<li class="SmartList1" value="11"><a name="1012994"> </a>When you are satisfied with the settings, click OK to apply the effect.</li>
<a name="1046086"> </a>Applying Lighting to a Texture
</h3>
<p id="1046088" class="Body">
<a name="1046088"> </a>A large part of the final look of your textures is determined by the lighting you apply. Bad lighting can obscure details in a pattern or surface. Good lighting can add interesting highlights and enhance reflections.
</p>
<p id="1046089" class="Body">
<a name="1046089"> </a>You can add, delete, and position light sources, and you can set light properties.
</p>
<h5 id="1046090" class="ToDoHead">
<a name="1046090"> </a>To add a light
</h5>
<ul>
<li class="SmartList1"><a name="1046091"> </a>In the Apply Surface Texture dialog box, click the light sphere. </li>
<p id="1046092" class="ToDoBody">
<a name="1046092"> </a>A new light indicator (a small circle) is added to the light sphere.
<a name="1046098"> </a>You can position lights by enabling one of the Light Direction options, or you can create a custom lighting setup by working in the sphere.
</p>
<p id="1046099" class="Body">
<a name="1046099"> </a>The Light Direction options represent eight different preset lighting angles.
</p>
<p id="1046100" class="Body">
<a name="1046100"> </a>The lighting sphere shows all the possible surface angles and how the lights illuminate them. The light indicators on the sphere show the current positions of all the light sources.
<a name="1046106"> </a><i>The lighting sphere with a light indicator.
</i></p>
<p id="1046107" class="Body">
<a name="1046107"> </a>The Display slider beneath the sphere controls the brightness of the sphere so that it's easier to see light positions. It does not affect the lights themselves.
</p>
<h5 id="1046108" class="ToDoHead">
<a name="1046108"> </a>To change a light's position
</h5>
<ul>
<li class="SmartList1"><a name="1046109"> </a>On the lighting sphere, drag a light indicator.</li>
<li class="SmartList1"><a name="1046111"> </a>You can also change a light's position by selecting a light indicator on the sphere and enabling one of the Light Direction options. </li>
</ul>
<h3 id="1046113" class="Heading2">
<a name="1046113"> </a>Setting Light Properties
</h3>
<p id="1046114" class="Body">
<a name="1046114"> </a>The three Light Controls sliders let you set the properties of a light source. You can also change a light's color.
</p>
<ul>
<li class="SmartList1"><a name="1046115"> </a>Brightness indicates the intensity of the light. </li>
<li class="SmartList1"><a name="1046116"> </a>Conc (concentration) adjusts the spread of the light's shine over the surface. </li>
<li class="SmartList1"><a name="1046117"> </a>Exposure globally adjusts the overall lighting amount from darkest to brightest. </li>
</ul>
<h5 id="1046118" class="ToDoHead">
<a name="1046118"> </a>To change light color
</h5>
<ol type="1">
<li class="SmartList1" value="1"><a name="1046119"> </a>Click the Light Color icon. </li>
<li class="SmartList1" value="2"><a name="1047929"> </a>In the color picker, choose a color.</li>