Good Day!
I have created an existing ground profile of a surface I will be working on which runs through the mountains, Is there a way I can plot points along my existing ones say two meters above and two meters below the center line then create a profile or calculate slope between the two points?
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Joe Bouza
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@getrekdent wrote:
Yes you are correct, these are the only points I believe; I will explain a bit, we received a GIS file with the bid package when I loaded the .Shp file to civil all that was displayed was a 2 dimensional layout of right of way and temporary work spaces, above this was one line that appeared to be the line which contained the survey point data (x,y,z). I was able to extract the x,y,z points from this file into notepad and save them as a .xyz file and load them into a Civil 3D survey points database. (sorry I am not well versed in this maybe I am rambling) When I imported the extracted points into civil and created the surface from the new points file it appears to be exactly what I was looking for. I have found one way I am not sure how accurate it is but I created an offset (7 meters each side of the center line) then plotted random points along each of these offsets and manually extracted the "Z" coordinate from each point for the elevation. Another thing I wonder is how accurate is this extracted data from the GIS file and how can this program build the surface it has off of one line of points?
Not accurate at all!
Any elevation data left or right of your "Line" is absolutly and totally meaningless. the only reason you got a surface in the shape you have is because you line serpentines and center line point are triangulating to other centerline points. So unfortunately there is no data to determine a side slope.
You should, however be able to obtain topographic data in your region from some GIS clearing house or local jurisdiction entity. Where did you get the original data for the line? perhaps that source has more?
Joe Bouza
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Joe Bouza
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Joe Bouza
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Joe Bouza
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