REVIT XML Units not adhered to on Import

[Glenn.Coppard]

We have just tried importing some 'toposurfaces' from REVIT for excavations around some pier foundations on a bridge.

Excerpt from the XML file below show the length units are millimeters, as are the coordinates shown.

However, when this is read into IW360 (2016), it reads the coord's as meters, ie. 1000x their size!

<?xml version="1.0" encoding="utf-8" standalone="no"?>
<LandXML xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.landxml.org/schema/LandXML-1.1 http://www.landxml.org/schema/LandXML-1.1/LandXML-1.1.xsd" xmlns="http://www.landxml.org/schema/LandXML-1.1" version="1.1" date="2017-06-13" time="13:28:28" readOnly="false" language="English">
  <Project name="bridge-3.rvt" />
  <Units>
    <Metric areaUnit="squareMeter" linearUnit="millimeter" volumeUnit="cubicMeter" temperatureUnit="celsius" pressureUnit="mmHG" />
  </Units>
  <Application name="Site Designer for Revit 2016" manufacturer="Autodesk" manufacturerURL="www.autodesk.com">
    <Author createdBy="user" createdByEmail="" company="" />
  </Application>
  <Surfaces name="" desc="">
    <Surface name="P1" desc="" state="proposed">
      <Definition surfType="TIN">
        <Pnts>
          <P id="1">5694290032.64132 1737217394.40709 116994.607617188</P>
          <P id="2">5694290346.04925 1737216852.61423 116509.688378906</P>
          <P id="3">5694290683.57814 1737216269.11643 115987.450488281</P>
          <P id="4">5694290784.014 1737216107.00333 115862.416259766</P>

[tmachado]

Hi @Glenn.Coppard, make sure that your units in Revit are set to meters and then export to LandXML.

IW the length units in IW are set as meters unless that you set it to be something else

[Glenn.Coppard]

Thanks for the response Tatiana.

I won't relay what our bridge designer said after he finished laughing.

Is the purpose of the header information not there to inform 3d party applications how to process the content contained within...

ie. IW360 should be reading the units of the file are millimeters and thus scaling down the import to suit the units specified within IW360 (being meters in my case).

[tmachado]

But is not doing it isn't it???
You can open a case with Autodesk for that, in the meantime changing the units should work.