mirror of https://github.com/KLayout/klayout.git
34 lines
1.3 KiB
XML
34 lines
1.3 KiB
XML
<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE language SYSTEM "klayout_doc.dtd">
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<doc>
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<title>Creating A Layout From Scratch</title>
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<keyword name="Layout"/>
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<keyword name="New layout"/>
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<p>
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To start with a fresh, empty layout, choose "New" from the "File" menu.
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A form is opened that requires you to specify some basic parameters.
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These are:
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</p>
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<ul>
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<li><b>Top cell:</b> this is the name of the first (and only) cell that will be present in the layout.</li>
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<li><b>Database unit:</b> this is the database unit (the conversion factor between integer coordinates
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and micron units. This is basically the "resolution" of the layout.</li>
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<li><b>Initial window size:</b> this is the size of the initial window shown, when the top cell is
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opened the first time. Since the initial view is empty, there is no geometrical guidance. By specifying
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an initial size, at least the "canvas" dimensions are known.</li>
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</ul>
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<p>
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If a default layer properties file is specified in the setup dialog ("Application" tab),
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this is loaded into the layer view list automatically. Without such a file, the layer list is
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empty at the beginning and layers must be created with "Layer/New" from the "Edit" menu, before any
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shapes can be drawn.
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</p>
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</doc>
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