PolylineEmitter

<xs:element name="PolylineEmitter">
  <xs:annotation>
    <xs:appinfo>
      <xs:attribute name="set_coordIndex" type="MFInt32" fixed="inputOnlyField">
        <xs:annotation>
          <xs:appinfo>
            <xs:minInclusive value="-1"/>
          </xs:appinfo>
        </xs:annotation>
      </xs:attribute>
      <xs:element name="coord" type="SFNode" fixed="inputOutputField" default="X3DCoordinateNode"/>
      <xs:attribute name="componentName" type="xs:NMTOKEN" fixed="ParticleSystems"/>
      <xs:attribute name="componentLevel" type="xs:positiveInteger" fixed="1"/>
    </xs:appinfo>
    <xs:documentation source="http://www.web3d.org/documents/specifications/19775-1/V3.3/Part01/components/particle_systems.html#PolylineEmitter"/>
  </xs:annotation>
  <xs:complexType>
    <xs:complexContent>
      <xs:extension base="X3DParticleEmitterNode">
        <xs:choice minOccurs="0" maxOccurs="1">
          <xs:annotation>
            <xs:documentation>coord</xs:documentation>
          </xs:annotation>
          <xs:element ref="Coordinate"/>
          <xs:element ref="CoordinateDouble"/>
          <xs:element ref="ProtoInstance">
            <xs:annotation>
              <xs:documentation>Appropriately typed substitution node</xs:documentation>
            </xs:annotation>
          </xs:element>
        </xs:choice>
        <xs:attribute name="coordIndex" type="MFInt32" default="-1">
          <xs:annotation>
            <xs:appinfo>
              <xs:minInclusive value="-1"/>
            </xs:appinfo>
          </xs:annotation>
        </xs:attribute>
        <xs:attribute name="direction" type="SFVec3f" default="0 1 0">
          <xs:annotation>
            <xs:appinfo>
              <xs:minInclusive value="-1"/>
              <xs:maxInclusive value="1"/>
            </xs:appinfo>
          </xs:annotation>
        </xs:attribute>
        <xs:attribute name="containerField" type="xs:NMTOKEN" default="emitter"/>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>
</xs:element>