circle.xml

<?xml version="1.0" encoding="UTF-8"?>
<command version="3" name="Circle" icon="circle.png" run="python ellipse.py {Center} {Radius} {Radius} 0 {Sides}">
	<parameter required="true" type="point">
		<name>Center</name>
		<description>Center of circle</description>
	</parameter>
	<parameter required="true" type="length" minvalue="0.1" maxvalue="10000">
		<name>Radius</name>
		<description>Radius of circumcircle(m)</description>
		<value>10</value>
	</parameter>
	<parameter required="true" type="natural" minvalue="3" maxvalue="144">
		<name>Sides</name>
		<description>Number of sides</description>
		<value>12</value>
	</parameter>
</command>