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Updated doc.

This commit is contained in:
Matthias Koefferlein 2021-07-21 18:51:34 +02:00
parent 7a37a6b7ed
commit 99bb98127f
2 changed files with 18 additions and 2 deletions
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5
src/lay/lay/doc/about/drc_ref_global.xml
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@ -306,6 +306,8 @@ clip(0.mm, 0.mm, 0.5.mm, 0.6.mm)
# shapes now will be taken from the given rectangle and clipped to it
l1 = input(1, 0)
</pre>
</p><p>
To remove the clip condition, call "clip" without any arguments.
</p>
<a name="connect"/><h2>"connect" - Specifies a connection between two layers</h2>
<keyword name="connect"/>
@ -619,11 +621,12 @@ actual edges from the first input (see <a href="#separation">separation</a> for
<p>
Similar to <a href="#log">log</a>, but the message is printed formatted as an error
</p>
<a name="extent"/><h2>"extent" - Creates a new layer with the bounding box of the default source</h2>
<a name="extent"/><h2>"extent" - Creates a new layer with the bounding box of the default source or cell bounding boxes</h2>
<keyword name="extent"/>
<p>Usage:</p>
<ul>
<li><tt>extent</tt></li>
<li><tt>extent(cell_filter)</tt></li>
</ul>
<p>
See <a href="/about/drc_ref_source.xml#extent">Source#extent</a> for a description of that function.

15
src/lay/lay/doc/about/drc_ref_source.xml
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@ -96,18 +96,31 @@ Use the global version of "edges" without a source object to address the default
</p><p>
This method has been introduced in version 0.27.
</p>
<a name="extent"/><h2>"extent" - Returns a layer with the bounding box of the selected layout</h2>
<a name="extent"/><h2>"extent" - Returns a layer with the bounding box of the selected layout or cells</h2>
<keyword name="extent"/>
<p>Usage:</p>
<ul>
<li><tt>source.extent</tt></li>
<li><tt>source.extent(cell_filter)</tt></li>
</ul>
<p>
Without an argument, the extent method returns a layer with the bounding box
of the top cell. With a cell filter argument, the method returns a layer
with the bounding boxes of the selected cells. The cell filter is a glob
pattern.
</p><p>
The extent function is useful to invert a layer:
</p><p>
<pre>
inverse_1 = extent.sized(100.0) - input(1, 0)
</pre>
</p><p>
The following example returns the bounding boxes of all cells whose
names start with "A":
</p><p>
<pre>
a_cells = extent("A*")
</pre>
</p>
<a name="global_transform"/><h2>"global_transform" - Gets or sets a global transformation</h2>
<keyword name="global_transform"/>