Sample XML 4

$xmldoc = @"
<directedgraph>
 <page>
    <renderoptions
        usedynamicconnectors="true"
        scalingfactor="5" />
  <shapes>
    <shape id="n1" label="Decision1" stencil="basflo_u.vss" master="Decision" />
    <shape id="n2" label="Process2" stencil="basflo_u.vss" master="Process" />
    <shape id="n3" label="Data3" stencil="basflo_u.vss" master="Data" />
    <shape id="n4" label="Porcess4" stencil="basflo_u.vss" master="Process" />
    <shape id="n5" label="Data5" stencil="basflo_u.vss" master="Data" />
  </shapes>

  <connectors>
    <connector id="c1"  from="n1" to="n2" label="LABEL1" />
    <connector id="c2" from="n2" to="n3" label="LABEL2" />
    <connector id="c3" from="n3" to="n4" label="LABEL3" />
    <connector id="c4" from="n3" to="n1" label=""/>
    <connector id="c5" from="n4" to="n1" label=""/>
    <connector id="c6" from="n4" to="n2" label=""/>
    <connector id="c7" from="n1" to="n5" label="LABEL7"/>
  </connectors>
  </page>
</directedgraph>
"@

$filename = "d:\model.xml"
$xmldoc | out-file $filename
$model = Import-VisioModel -Filename $filename
$model | Out-Visio