<?xml-stylesheet type="text/xsl" href="https://communities.bentley.com/cfs-file/__key/system/syndication/rss.xsl" media="screen"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/" xmlns:wfw="http://wellformedweb.org/CommentAPI/"><channel><title>Setting Up in the Real World – GeoReferencing</title><link>/other/old_site_member_blogs/peer_blogs/b/marc_thomass_blog/posts/setting-up-in-the-real-world-georeferencing</link><description>Series Index - Setting Up in the Real World 
Please also refer to alternative workflows described in Setting Up in the Real World – GeoReferencing Update and Setting Up in the Real World – GeoReferencing by Footprint .
Background
The accuracy of 3D modelling</description><dc:language>en-US</dc:language><generator>Telligent Community 12</generator><item><title>RE: Setting Up in the Real World – GeoReferencing</title><link>https://communities.bentley.com/other/old_site_member_blogs/peer_blogs/b/marc_thomass_blog/posts/setting-up-in-the-real-world-georeferencing</link><pubDate>Thu, 15 Sep 2016 15:39:58 GMT</pubDate><guid isPermaLink="false">6dad98f5-dbc9-4c4d-a9ba-e9da8dc6aa8e:b39ce8a8-5c9c-4256-8195-7478b110146a</guid><dc:creator>Rose Brown</dc:creator><slash:comments>0</slash:comments><description>&lt;p&gt;I &amp;nbsp;have defined monuments in my dgn file that contains the structure, modeled near 0,0 with correct elevations.&lt;/p&gt;
&lt;p&gt;When I reference that file to my site dgn file (state plane coordinates), via the AEC transform option, the reference file falls into the correct location for x and y, however the elevation is off. &lt;/p&gt;
&lt;p&gt;When working in a location at elev 40, the difference is small, but now I am working in a location with an elevation of 9300, and the z difference is over 6&amp;quot;. &amp;nbsp;I&amp;#39;m guessing that microstation is converting the Cartesian coordinates to lat/long and metric elevation, and somewhere along the way, that conversion is getting confused. &amp;nbsp;I am running in survey feet. &amp;nbsp;Any thoughts?&lt;/p&gt;
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