https://communities.bentley.com/products/road___site_design/f/geopak-inroads-mx-openroads-forum/222762/usgs-geotiff-dem-to-terrainI am trying to create a terrain using USGS 1/3 arc-second DEM geotiff file. The terrain import tool does not seem to understand the data and imports nothing. The raster manager also does not seem to be able to render these .tif files. Is there any wayen-USTelligent Community 12https://communities.bentley.com/thread/684662?ContentTypeID=1Mon, 29 Nov 2021 17:55:30 GMT6dad98f5-dbc9-4c4d-a9ba-e9da8dc6aa8e:a5783233-712d-4972-8627-c7f79dc881b8Brenan Sellers<p>That is good to know for the future.&nbsp; Thanks.</p> <p>Unfortunately it is not working with the USGS geotiff DEM files.&nbsp; It must be the files themselves.&nbsp; They are now cloud optimized geotiff (since end of 2020).&nbsp; Openroads must not be able to read the file correctly.&nbsp;</p><div style="clear:both;"></div>https://communities.bentley.com/thread/684633?ContentTypeID=1Mon, 29 Nov 2021 15:52:36 GMT6dad98f5-dbc9-4c4d-a9ba-e9da8dc6aa8e:d99d14ce-19ca-42c5-8651-763183e3d258JeremieDL<p>If the number of point is to big Openroads won&#39;t create a terrain so for GetoTif I create first a scalable terrain because this type of file can handle an almost infinite number of point/triangle (versus openroads terrain wich are limited).&nbsp; Then I extract an openroads terrain in the selected area.&nbsp; you can find all the tools do to this in the Reality Modeling Workflow.</p> <p>hope this help</p><div style="clear:both;"></div>