The optional color attribute is the color for the polyline.
Source
<xs:element name="Polyline" type="Polyline2dType" maxOccurs="unbounded"><xs:annotation><xs:documentation>Each Polyline element is a polyline curve.</xs:documentation></xs:annotation></xs:element>
The required n attribute is the number of polyline curves in this set.
Source
<xs:complexType name="Polylines2dType"><xs:annotation><xs:documentation>The Polylines2dType is a container for storing 2D polyline curves.</xs:documentation></xs:annotation><xs:sequence><xs:element name="Polyline" type="Polyline2dType" maxOccurs="unbounded"><xs:annotation><xs:documentation>Each Polyline element is a polyline curve.</xs:documentation></xs:annotation></xs:element></xs:sequence><xs:attribute name="n" type="NaturalType" use="required"><xs:annotation><xs:documentation>The required n attribute is the number of polyline curves in this set.</xs:documentation></xs:annotation></xs:attribute></xs:complexType>
<xs:attribute name="n" type="NaturalType" use="required"><xs:annotation><xs:documentation>The required n attribute is the number of polyline curves in this set.</xs:documentation></xs:annotation></xs:attribute>