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<th colspan="3" align="center" id="chaptername">4.4. Scale Tool</th>
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<th width="60%" align="center" id="sectionname">4.4. Scale Tool</th>
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<div class="sect2" lang="en" xml:lang="en">
<div class="titlepage">
<div>
<div>
<h3 class="title"><a id="gimp-tool-scale"></a>4.4. Scale Tool</h3>
</div>
</div>
</div>
<a id="id3327657" class="indexterm"></a>
<div class="mediaobject">
<img src="../images/toolbox/toolbox-scale.png" />
</div>
<p>
The Scale Tool is used to scale images, selections or layers (the
object).
</p>
<p>
When you click on image with the tool the Scaling Information dialog
box is opened, allowing to change separately <span class="guilabel">Width</span>
and <span class="guilabel">Height</span>. At the same time a grid covers the
object and handles appear on corners that you can click and drag to
change these dimensions. A small circle appears at center of the
object allowing to move this object.
</p>
<div class="simplesect" lang="en" xml:lang="en">
<div class="titlepage">
<div>
<div>
<h4 class="title"><a id="id3327828"></a>Activate Tool</h4>
</div>
</div>
</div>
<div class="itemizedlist">
<ul type="disc">
<li>
<p>
The Scale Tool can be called in the following
order, from the image-menu:
<span class="guimenuitem"><span class="accel">T</span>ools</span>/
<span class="guimenuitem"><span class="accel">T</span>ransform
Tools</span>/<span class="guimenuitem"><span class="accel">S</span>cale
</span>.
</p>
</li>
<li>
<p>
The Tool can also be called by clicking the tool icon:
<span class="guiicon">
<span class="inlinemediaobject"><img src="../images/toolbox/scale.png" /></span>
</span>
</p>
</li>
</ul>
</div>
</div>
<div class="simplesect" lang="en" xml:lang="en">
<div class="titlepage">
<div>
<div>
<h4 class="title"><a id="id3328309"></a>Key modifiers (Defaults)</h4>
</div>
</div>
</div>
<div class="variablelist">
<dl>
<dt>
<span class="term">Shortcut</span>
</dt>
<dd>
<p>
The
<span><b class="keycap">Shift</b></span>-<span><b class="keycap">t</b></span>
key combination will change the active tool to Scale.
</p>
</dd>
<dt>
<span class="term">
<span><b class="keycap">Ctrl</b></span>
</span>
</dt>
<dd>
<p>
Holding <span><b class="keycap">Ctrl</b></span> will constrain the scale
height.
</p>
</dd>
<dt>
<span class="term">
<span><b class="keycap">Alt</b></span>
</span>
</dt>
<dd>
<p>
Holding <span><b class="keycap">Alt</b></span> will constrain the scalewidth.
If Alt doesn't work, try <span><b class="keycap">Shift+Alt</b></span>.
</p>
</dd>
</dl>
</div>
</div>
<div class="simplesect" lang="en" xml:lang="en">
<div class="titlepage">
<div>
<div>
<h4 class="title"><a id="id3328386"></a>Options</h4>
</div>
</div>
</div>
<div class="variablelist">
<dl>
<dt>
<span class="term">Overview</span>
</dt>
<dd>
<p>
The available tool options for the Scale Tool can be accessed
by
double clicking the Scale Tool icon.
<span class="guiicon">
<span class="inlinemediaobject"><img src="../images/toolbox/scale.png" /></span>
</span>
</p>
</dd>
<dt>
<span class="term">Affect</span>
</dt>
<dd>
<p>
The scale can affect the Layer, the Selection, and the Path
differently. These three buttons associate the remainder of
the options to one of those three elements.
</p>
</dd>
<dt>
<span class="term">Transform Direction</span>
</dt>
<dd>
<p>
<span class="guilabel">Forward (Traditional)</span>:
The Traditional mode will scale the layer as one might expect. If
a layer is scaled to the right, then the layer will be rendered as
such: with an enlarged grid, layer will be rendered enlarged.
</p>
<p>
<span class="guilabel">Backward (Corrective)</span>: Performs transformation
in the reverse direction. If a layer is scaled to the right
(enlarged), then the layer will be rendered to the left (reduced).
</p>
</dd>
<dt>
<span class="term">Interpolation</span>
</dt>
<dd>
<p>
The <span class="guilabel">Interpolation</span> drop-down list allows you
to choose the quality of the transformation. For more information
about the different methods that can be employed, see the glossary
entry <a href="go01.html#glossary-interpolation">Interpolation</a>.
</p>
</dd>
<dt>
<span class="term">Supersampling</span>
</dt>
<dd>
<p>
See glossary at <a href="go01.html#glossary-supersampling">
Supersampling</a>.
</p>
</dd>
<dt>
<span class="term">Clip Result</span>
</dt>
<dd>
<p>
This option will clip the rotated layer to the original layer
size.
</p>
</dd>
<dt>
<span class="term">Grid Options</span>
</dt>
<dd>
<p>
The three available grid options are used to change thevisual
display of the rotation grid.
</p>
<p>
<span class="guilabel">Don't Show Grid</span> will display only the
outline of
the rotation rectangle.
</p>
<p>
<span class="guilabel">Number of Grid Lines</span> will allow control
over the total number of displayed grid lines. Use the
<span class="guilabel">Density</span> slider to set the number of grid
lines.
</p>
<p>
<span class="guilabel">Grid Line Spacing</span> allows control overthe
distance between the grid lines. Use the <span class="guilabel">Density</span>
slider to set the distance.
</p>
</dd>
<dt>
<span class="term">Constraints</span>
</dt>
<dd>
<p>
<span class="guilabel">Keep Height</span> will constrain the scale
such that
the height of the layer will remain constant.
</p>
<p>
<span class="guilabel">Keep Width</span> will constrain the scale such
that
the width of the layer will remain constant.
</p>
</dd>
</dl>
</div>
</div>
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