Nyall Dawson bd9e02be95 Add alias support for expression functions
Standardise naming of all internal functions to lowercase with
underscore convention. Add aliases for old names to avoid
breakage.
2015-05-03 20:57:36 +10:00

12 lines
289 B
Plaintext

<h3>y_at() function</h3>
Retrieves a y coordinate of the current feature
<h4>Syntax</h4>
<code>y_at(i)</code>
<h4>Arguments</h4>
<code>i<code> - is int. index of point of a line (indices start at 0; negative values apply to the last index).
<h4>Example</h4>
<pre>y_at(1) &rarr; 5</pre>