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155 lines
8.4 KiB
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155 lines
8.4 KiB
Plaintext
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<!DOCTYPE html>
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<html>
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<head>
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<meta name="viewport" content="width=device-width, minimum-scale=1.0, maximum-scale=1.0, initial-scale=1.0" />
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<title>Photopea - Make Selections</title>
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<link rel="stylesheet" href="https://blog.photopea.com/wp-content/themes/simplex/style.css" type="text/css" media="screen" />
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<link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Open+Sans:400,400i,700,700i" />
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</head>
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<body>
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<div id="page">
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<div id="header">
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<a href="//www.photopea.com/learn/" class="title">Learn Photopea</a>
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<!--<p>Web-based image editor.</p>-->
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<a href="//blog.photopea.com">Blog</a> |
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<a class="curr" href="//www.photopea.com/learn">Learn</a> |
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<a href="//www.photopea.com/tuts">Tutorials</a> |
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<a href="//www.photopea.com/templates">Templates</a> |
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<a href="//www.photopea.com/api">API</a> |
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<a href="//www.facebook.com/photopea"><img src="//photopea.com/img/facebook.svg" /></a> |
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<a href="//www.twitter.com/photopeacom"><img src="//photopea.com/img/twitter.svg" /></a>
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</div>
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<div id="main" style="max-width:1000px;">
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<div id="sidebar" style="width:22%;">
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<h3>Topics</h3>
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<ul>
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<li class="lvl0"><a href="/learn/">Introduction</a></li>
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<li class="lvl0"><a href="/learn/workspace">Workspace</a></li>
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<li class="lvl1"><a href="/learn/opening-saving">Open and Save</a></li>
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<li class="lvl1"><a href="/learn/navigation">Navigation</a></li>
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<li class="lvl1"><a href="/learn/image-size">Image size</a></li>
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<li class="lvl0"><a href="/learn/layers">Layers</a></li>
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<li class="lvl1"><a href="/learn/masks">Masks</a></li>
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<li class="lvl1"><a href="/learn/layer-styles">Layer Styles</a></li>
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<li class="lvl1"><a href="/learn/smart-objects">Smart Objects</a></li>
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<li class="lvl1"><a href="/learn/other-layers">Other Layers</a></li>
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<li class="lvl0"><a href="/learn/layer-manipulation">Layer Editing</a></li>
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<li class="lvl1"><a href="/learn/free-transform">Free Transform</a></li>
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<li class="lvl1"><a href="/learn/adjustments-filters">Adjust. & Filters</a></li>
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<li class="lvl0"><a href="/learn/selections">Selections</a></li>
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<li class="lvl1 active"><a href="/learn/creating-selections">Make Selections</a></li>
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<li class="lvl1"><a href="/learn/advanced-selecting">Advanced Selecting</a></li>
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<li class="lvl1"><a href="/learn/refine-edge">Refine Edge</a></li>
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<li class="lvl1"><a href="/learn/moving-selected-data">Move Selected Data</a></li>
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<li class="lvl0"><a href="/learn/brush-tools">Brush Tools</a></li>
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<li class="lvl1"><a href="/learn/bt-basic">Basic Tools</a></li>
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<li class="lvl1"><a href="/learn/bt-advanced">Advanced Tools</a></li>
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<li class="lvl1"><a href="/learn/bt-smart">Smart Tools</a></li>
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<li class="lvl0"><a href="/learn/text">Text</a></li>
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<li class="lvl1"><a href="/learn/text-style">Text Style</a></li>
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<li class="lvl0"><a href="/learn/vector-graphics">Vector Graphics</a></li>
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<li class="lvl1"><a href="/learn/vg-structure">The Structure</a></li>
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<li class="lvl1"><a href="/learn/vg-manipulation">Editing Shapes</a></li>
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<li class="lvl1"><a href="/learn/vg-creating">Creating Shapes</a></li>
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<li class="lvl1"><a href="/learn/vg-vectorize">Vectorize Bitmap</a></li>
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<li class="lvl0"><a href="/learn/other">Other</a></li>
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<li class="lvl1"><a href="/learn/color-spaces">Color Spaces</a></li>
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<li class="lvl1"><a href="/learn/guides-grid-snapping">Guides & Snapping</a></li>
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<li class="lvl1"><a href="/learn/animations">Animations</a></li>
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<li class="lvl1"><a href="/learn/slices">Slices</a></li>
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<li class="lvl1"><a href="/learn/layer-comps">Layer Comps</a></li>
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<li class="lvl1"><a href="/learn/actions">Actions</a></li>
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<li class="lvl1"><a href="/learn/scripts">Scripts</a></li>
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</ul>
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</div>
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<div id="content" style="width:78%;">
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<div class="post">
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<h1>Creating Selections</h1>
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<p>There are many ways to create selections. Designers often need to select thousands or even millions of pixels.
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Creating the necessary selection may take a lot of time. It is very useful to learn about all the tools, to be able to create selections effectively.</p>
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<p>The basic operation is selecting <b>all pixels</b> (Select - All or Ctrl + A).
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Another useful operation is to create a selection according to the transparency of some layer.
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Hold the Ctrl key and click on the thumbnail of a layer to create such selection.</p>
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<h2><img class="inline" src="//www.photopea.com/img/tools/rselect.png" />
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<img class="inline" src="//www.photopea.com/img/tools/eselect.png" /> Rectangle Select, Ellipse Select</h2>
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<p>These tools allow you to create rectangular selections (or ellipse selections). Simply click and drag the mouse to create the selection.</p>
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<h2><img class="inline" src="//www.photopea.com/img/tools/lasso.png" />Lasso</h2>
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<p>Lasso tool allows you to draw selections by hand. Simply click and drag the mouse around the object, that you want to select.
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It can be useful to zoom in, to be more precise.</p>
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<h2><img class="inline" src="//www.photopea.com/img/tools/plasso.png" />Polygonal Lasso</h2>
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<p>Polygonal lasso allows you to draw a polygonal selection. Simply click on the image to add the new corner of a polygon.
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Press Delete to remove the last corner. Double-click (or hit Enter) to finish the selection.</p>
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<h2><img class="inline" src="//www.photopea.com/img/tools/mlasso.png" />Magnetic Lasso</h2>
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<p>Magnetic lasso is a smart tool for making selections. It is very similar to the standard lasso, but it "sticks" to edges of objects.</p>
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<p>Click anywhere to add the first point, then move the mouse along the edge to draw the selection. Control points will be added along the selection.
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Magnetic lasso tries to find the most appropriate path from the last control point to the current position of the mouse.
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Press Delete to remove the last control point, or click to add the control point manually (to force Magnetic lasso to go in a specific way).
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Double-click (or hit Enter) to finish the selection.</p>
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<h2>Combining selections</h2>
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<p>When you create a new selection, it can either replace the old one, or it can be <b>combined</b> with the old one.
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Each selection tool has several parameters in the top menu, which define the way, how two selections are combined.
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There is the default <b>replace</b> mode (to replace the old selection), <b>union</b> mode (to connect two selections together),
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<b>subtract</b> mode (to remove the new selection from the old one), <b>intersect</b> mode (to select only pixels, that are in both selections)
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and <b>XOR</b> mode, which corresponds to the union, while subtracting the intersection.</p>
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<img src="//i.imgur.com/7ciDxwm.png" />
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<p>These modes allow you to create selections in multiple steps. E.g. selecting the main area with lasso tools,
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then adding and subtracting small pieces to make it perfect.</p>
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<p>Selection tools also have a <b>feather</b> parameter, which will apply feather right after the selection is finished.
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Many designers create all selections with a small blur, to avoid sharp edges between selected and unselected areas.</p>
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<p>When any selection tool is active, you can press the mouse inside the current selection and drag it to move that selection.
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So e.g. if you made an elliptical selection of the correct size, but you missed its position by several pixels,
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just click and drag it to the new place. This is possible with the <b>replace mode only</b> (e.g. if you had the subtract mode,
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clicking and dragging inside an existing selection would draw a new ellipse, that would be removed from the current selection).</p>
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</div>
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<h2 style="margin-top: 4em">Comments</h2>
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<p>Do you need help? Ask us at <a href="//www.reddit.com/r/photopea/" target="_blank">our Reddit</a>!</p>
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