.grd to .dgn

Question

First what is a .grd file? 
 
 I was sent a .grd file from open pit mine who has hired the firm I work for to do some road design. 
 I was told that .grd file is some kind of dtm. I was told to get it into open roads designer. I am not seeing anything on how to do so. Anyone have instructions?

Mark Shamoun · Answer

Hi Aaron, 
 
 You can import this format in ORD (and Microstation) using the Descarte tools. In a 3d model, do a ribbon search for " Scalable Terrain Model ". 
 
 In the Scalable Terrain Model dialog, create a new STM using File > New and then in the STM Elevation Source Editor, add the grd file under Add Points > Raster DEM file .

You can do do various things with the data like create a Terrain model from the data, extract a raster grid, contours, etc. More info can be found here: Scalable Terrain Model (bentley.com)

.grd to .dgn

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