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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> |
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<html> |
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<head> |
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<meta name="Description" content="KLayout layout viewer and editor project page" /> |
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<meta name="Keywords" content="KLayout OASIS GDS2 viewer editor layout semiconductor mask chip design" /> |
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<meta name="abstract" content="KLayout is a free layout viewer and editor for several formats commonly used in the semiconductor industry to transfer layout data" /> |
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<meta name="URL" content="https://www.klayout.de/" /> |
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<meta name="Author" content="Matthias Koefferlein" /> |
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<title>KLayout Layout Viewer And Editor</title> |
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<body> |
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<div class="klayout-header"> |
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<div class="container mb-5"> |
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<nav class="navbar navbar-dark navbar-expand-lg"> |
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<a class="navbar-brand" href="https://www.klayout.de"><img src="https://www.klayout.de/klayout.png" srcset="https://www.klayout.de/klayout-x2.png 2x" alt="KLayout"></a> |
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About |
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<a class="dropdown-item" href="https://www.klayout.de/intro.html">KLayout Project</a> |
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<a class="nav-link klayout-menu" href="https://www.klayout.de/build.html">Get KLayout</a> |
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<a class="nav-link klayout-menu" href="https://sami.klayout.org">Package Index</a> |
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<a class="ml-4" href="https://github.com/KLayout"><img src="https://www.klayout.de/GitHub-Mark-32px-white.png" border="0" title="KLayout on GitHub" alt="GitHub"/></a> |
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</div> |
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<div class="container"> |
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<form class="search"> |
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<div class="input-group"> |
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<input id="search-text" class="form-control" type="text" onkeydown="klayoutSearchTextChanged()"> |
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<button class="btn btn-secondary" type="submit" id="search-button" onclick="klayoutSearchClicked(5); event.returnValue = false; return false">Search</button> |
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</form> |
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<div id="search-result"> |
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<div class="search-results-close-box" onclick="klayoutSearchCloseClicked()"></div> |
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</div> |
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</div> |
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<div class='klayout-generated-doc'><p class="navigator"><b>KLayout Documentation (Qt 5): </b><a href="../index.html">Main Index</a> » <a href="index.html">KLayout User Manual</a> » <a href="basic.html">KLayout Basics</a> » Saving A Layout Or Parts Of It</p><h1>Saving A Layout Or Parts Of It</h1><a name="k_1"></a><a name="k_2"></a><p> |
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A layout or a subcell of it can be saved to either GDS2 or OASIS. |
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To save a layout, choose "Save As" from the "File" menu. To save just a cell, select the cell in |
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the cell tree (it does not need to be the currently shown one) and select "Save Current Cell As" from |
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the context menu (right mouse button) of the cell tree. |
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</p><p> |
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A file dialog will pop up to select the file name to which to write the cell or layout. |
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After a file has been selected, an option dialog will be shown to specify further options. |
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In this dialog, it is possible to constrain saving to a subset of layers, i.e. just visible ones. |
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Also, the database unit can be changed or the layout can be scaled by a given factor. |
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</p><p> |
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For OASIS, a compression level can be specified. At a level of 0, no particular attempt is made to |
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compress shapes. At higher levels, shapes are classified and array compression is tried. The higher |
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the level, the more attempts are made to compress shapes into arrays. In particular for flat layouts, |
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compression of shapes requires some memory and slows down OASIS writing considerably. |
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</p></div> |
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</div> |
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</body> |
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</html> |
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