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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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About |
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<div class="container"> |
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<h1>Command-Line Arguments of KLayout</h1> |
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<p> |
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KLayout's command line basically looks like this: |
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</p> |
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<pre> |
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klayout [<options>] [<file>] .. |
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</pre> |
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<p> |
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Options start with a hyphen ("-") and can be mixed with file names. Files given on the command line without an option are |
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treated as layout files (GDS, OASIS, ...). Each option must be specified separately, i.e. "-ne" is <em>not</em> option "n" and "e". |
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Option arguments must be separated by a space from the option itself. For example: |
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</p> |
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<pre> |
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klayout -s file1.gds file2.gds -l layers.lyp |
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</pre> |
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<p> |
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This command will open "file1.gds" and "file2.gds" in the same view (option "-s") and use the layer properties file "layers.lyp". |
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</p> |
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<p> |
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The following is a description of KLayout's command-line options. |
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</p> |
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<h2>General Options</h2> |
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<table width="90%"> |
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<tr> |
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<td width="20%"><tt>-b</tt></td> |
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<td>Batch mode (same as <tt>-zz -nc -rx</tt>). |
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</td> |
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</tr> |
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<tr> |
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<td><tt>-c</tt> <config file></td> |
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<td>Use the specified configuration file (reading it on start and writing it on exit) instead of the default configuration file. |
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This option allows to switch between different configurations.</td> |
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</tr> |
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<tr> |
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<td><tt>-nc</tt></td> |
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<td>Don't use a configuration file (implies <tt>-t</tt>). |
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</td> |
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</tr> |
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<tr> |
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<td><tt>-d</tt> <debug level></td> |
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<td>Controls the verbosity of the log output. Values are: 0 (silent), 10 (basic info), 11 (basic info plus basic timing), 20 (detailed info), 21 (detailed info plus detailed timing) to |
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40 or 41 for noisy log output and timing respectively. |
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</td> |
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</tr> |
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<tr> |
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<td><tt>-e</tt></td> |
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<td>Enter edit mode even if non-edit mode was specified in the configuration as default mode.</td> |
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</tr> |
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<tr> |
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<td><tt>-ne</tt></td> |
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<td>Enter viewer mode even if edit mode was specified in the configuration as default mode. If neither <tt>-e</tt> or <tt>-ne</tt> is specified, the default mode from the configuration will be used.</td> |
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</tr> |
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<tr> |
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<td><tt>-i</tt></td> |
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<td>Disable undo buffering (less memory requirements).</td> |
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</tr> |
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<tr> |
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<td><tt>-ni</tt></td> |
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<td>Enable undo buffering. This is the default. This option overrides previously set "<tt>-i</tt>" options.</td> |
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</tr> |
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<tr> |
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<td><tt>-j</tt> <path></td> |
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<td>Add the given path to the macro project paths.</td> |
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</tr> |
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<tr> |
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<td><tt>-l</tt> <lyp file></td> |
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<td>Use the specified layer properties file instead of the default layer properties.</td> |
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</tr> |
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<tr> |
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<td><tt>-lx</tt></td> |
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<td>Used with "<tt>-l</tt>": add other layers to the layer properties even if they are not defined in the properties file.</td> |
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</tr> |
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<tr> |
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<td><tt>-lf</tt></td> |
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<td>Used with "<tt>-l</tt>": use the ".lyp" file as it is (no expansion to multiple layouts).</td> |
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</tr> |
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<tr> |
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<td><tt>-m</tt> <database file></td> |
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<td>Load the given report database together with the previously defined layout. This option must <em>follow</em> a layout file argument.</td> |
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</tr> |
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<tr> |
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<td><tt>-mn</tt> <database file></td> |
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<td>Load the given L2N oder LVS database together with the previously defined layout. This option must <em>follow</em> a layout file argument.</td> |
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</tr> |
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<tr> |
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<td><tt>-n</tt> <technology></td> |
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<td>Technology to use for <em>next</em> layout(s) on command line.</td> |
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</tr> |
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<tr> |
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<td><tt>-nn</tt> <tech file></td> |
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<td>Technology file (".lyt") to use for next layout(s) on command line.</td> |
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</tr> |
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<tr> |
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<td><tt>-p</tt> <plugin></td> |
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<td>Load the plugin (a shared object). This option can be used multiple times.</td> |
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</tr> |
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<tr> |
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<td><tt>-r</tt> <script></td> |
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<td>Run the given script in interpreter mode. The script file can be either a raw Ruby or Python script, a generic ".lym" script or |
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a domain specific language script such as a DRC script (.drc).<br/> |
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In "-r" mode, KLayout will exit after the script is executed. |
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To start the KLayout application, the script must contain a "Application.exec" method call. The script is executed after all |
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other requisites from the command line have been loaded (files, plugins etc.)<br/> |
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This option can be combined with "<tt>-z</tt>" (no GUI) or "<tt>-zz</tt>" (no GUI at all). |
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That way, KLayout is converted into a Ruby or Python interpreter.</td> |
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</tr> |
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<tr> |
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<td><tt>-rr</tt> <script></td> |
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<td>Like "-r", but does not exit after executing the script.</td> |
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</tr> |
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<tr> |
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<td><tt>-rm</tt> <script></td> |
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<td>Run the given script before KLayout starts the user interface. In contrast to "<tt>-r</tt>", KLayout continues |
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normal execution after the script is executed successfully. This is the preferred way to install user interface |
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add-ons ("Modules"). In addition to the modules specified by "<tt>-rm</tt>", KLayout collects script files |
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from various places, i.e. the place specified with <tt>$KLAYOUTPATH</tt> or the installation folder.</td> |
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</tr> |
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<tr> |
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<td><tt>-rd</tt> <name>=<value></td> |
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<td>Define the variable in the Ruby or Python context with the given string value. In Ruby, the variable will be accessible as "<tt>$name</tt>". |
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</td> |
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</tr> |
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<tr> |
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<td><tt>-rx</tt></td> |
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<td>Ignore all implicit macros ("*.rbm", "rbainit", "*.lym"). This is a "safe" or "fast" mode since errors in those script cannot spoil the |
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application and starting will be faster.</td> |
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</tr> |
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<tr> |
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<td><tt>-s</tt></td> |
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<td>Load files into same view.</td> |
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</tr> |
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<tr> |
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<td><tt>-t</tt></td> |
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<td>Don't update the configuration file on exit (amnesia mode).</td> |
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</tr> |
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<tr> |
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<td><tt>-nt</tt></td> |
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<td>Update the configuration file on exit (default, overrides previous <tt>-t</tt> option).</td> |
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</tr> |
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<tr> |
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<td><tt>-u</tt> <file name></td> |
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<td>Restore the session from the given session file.</td> |
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</tr> |
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<tr> |
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<td><tt>-v</tt></td> |
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<td>Print program version and exit.</td> |
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</tr> |
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<tr> |
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<td><tt>-wd</tt> <name>=<value></td> |
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<td>Define a variable for use within expressions. |
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</td> |
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</tr> |
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<tr> |
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<td><tt>-x</tt></td> |
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<td>Synchronous drawing mode (non-threaded). This mode can be useful if scripts are run which produce screen snapshots. By using |
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this option is made sure that all drawing operations have finished before the snapshot method returns.</td> |
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</tr> |
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<tr> |
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<td><tt>-y</tt> <package></td> |
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<td>Automatic package installation mode. If used, will install the requested package and exit. |
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Can be used more than once. 'package' is a name or an URL and optionally a version in round |
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brackets. Plain '-y' will only install the given package. Use '-yd' to automatically |
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include dependencies in the installation.</td> |
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</tr> |
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<tr> |
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<td><tt>-yd</tt></td> |
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<td>Used together with '-y': automatically include dependencies in the installation.</td> |
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</tr> |
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<tr> |
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<td><tt>-z</tt></td> |
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<td>Non-GUI mode. KLayout will not bring up the user interface. See the "<tt>-r"</tt> option for useful applications of this option. |
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Please note that on Linux, this mode still requires a display connection.</td> |
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</tr> |
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<tr> |
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<td><tt>-zz</tt></td> |
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<td>Non-GUI mode. In that mode, the GUI is disabled completely. On Linux, this mode allows to |
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use KLayout as a script interpreter for Ruby scripts without a display connection. However, |
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some Ruby objects are not available (i.e. MainWindow). |
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</td> |
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</tr> |
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</table> |
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<h2>Special Options</h2> |
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<table width="90%"> |
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<tr> |
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<td width="20%"><tt>-gr</tt> <file name></td> |
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<td>Record GUI actions in the given file for test purposes.</td> |
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</tr> |
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<tr> |
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<td><tt>-gp</tt> <file name></td> |
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<td>Replay the GUI actions from the given file for test purposes.</td> |
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</tr> |
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<tr> |
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<td><tt>-gb</tt> <line number></td> |
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<td>Stop replaying GUI actions at the given line for test purposes.</td> |
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</tr> |
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<tr> |
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<td><tt>-gx</tt> <milliseconds></td> |
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<td>Replay rate for GUI test file for test purposes.</td> |
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</tr> |
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<tr> |
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<td><tt>-gi</tt></td> |
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<td>Incremental logs on the GUI record file (crash safe logging).</td> |
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</tr> |
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<tr> |
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<td><tt>-y</tt> <package name></td> |
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<td>Package installation: install package(s) and exit - can be used more than once |
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('package' is a name, an URL and optionally a version in round brackets)</td> |
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</tr> |
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<tr> |
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<td><tt>-yd</tt></td> |
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<td>With -y: include dependencies.</td> |
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</tr> |
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</table> |
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<h2>Environment variables</h2> |
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<p> |
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KLayout reads the following environment variables: |
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</p> |
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<ul> |
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<li> |
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<tt>$KLAYOUT_PATH</tt>: contains a series of search locations separated by a ":" on Linux or ";" on Windows. |
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These are the locations searched for macros, libraries, plugins, ruby modules etc. |
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The first entry of that path will be the one where the configuration is stored when KLayout exits. |
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The installation site (where the KLayout executable resides) is always part of the search path. It cannot be disabled. |
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</li> |
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<li> |
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<tt>$KLAYOUT_HOME</tt>: This is the place where KLayout keeps the configuration files, local macros and |
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technology files. By default, this place is "~/.klayout" on Linux and "%HOME%/KLayout" on Windows. |
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</li> |
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<li> |
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<tt>$KLAYOUT_SALT_MINE</tt>: Contains the URL the package manager ("Salt Mine") will pull the package list from. |
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By default, the global package index is used. This environment variable can be used to provide a local package |
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index. |
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</li> |
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<li> |
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<tt>$KLAYOUT_PYTHONPATH</tt>: Used by the Python interpreter instead of "PYTHONHOME". This path can be used |
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to establish a Python search path. |
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</li> |
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</ul> |
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</div> |
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</body> |
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</html> |
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