AutoCAD Map 3D General Discussion

AutoCAD Map 3D General Discussion

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jgray
Posts: 40
Registered: ‎01-28-2010
Message 1 of 3 (366 Views)
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WMS Attached DEM's Can anything be done with them, besides just viewing?

366 Views, 2 Replies
01-21-2013 05:22 AM

I understand how to work with DEM's that I get from this website  http://datagateway.nrcs.usda.gov/   and what I mean by working with them is generating contours from the DEM's and coloring the elevations.  However Kentucky puts out information as found here http://kymartian.ky.gov/  which is older information, and new information is found here  

http://kyraster.ky.gov/arcgis/rest/services/ElevationServices/Ky_DEM_KYAPED_5FT/ImageServer   

 

Are  you able to help or direct me to a blog post that can work with the second set of  information.  Below is a list a copy of an email that lead me to the information found at the KYRASTER.KY.GOV site.  

 

 

EMAIL :1

 

Hey Kent,

I have talked to you a few random times on the phone before and was wondering now if you could tell me when the DEM data and aerial photo data for project area #2 as mentioned here http://kygeonet.ky.gov/kyfromabove/  is available for download yet?

 

 

EMAIL :1 REPLY

 

Jon,

There was no aerial photography acquired for Project Area #2. We only captured LiDAR in that area. About 1/3 of the DEM is complete for the area and it can be accessed from this URL. The remaining elevation data has been captured but it is still being processed.

Best Regards,

Kent

 

http://kyraster.ky.gov/arcgis/rest/services/ElevationServices/Ky_DEM_KYAPED_5FT/ImageServer 

 

 

 

EMAIL :2

Thanks Kent! I am now wondering if there is a way that I can download this DEM data so that I can use in Autocad.  

 

EMAIL :2 REPLY

Currently, you can clip out a maximum size of 20K x 20K from the image service using ArcMap. 5K tiled DEMS will be available for download by the middle of the year.

 

 

My basic question is can I do anything with the DEM that Kent is talking about currently in autocad, meaning generate contours, or do I need to wait for the downloads to become available?  Any thoughts? 

Active Contributor
jgray
Posts: 40
Registered: ‎01-28-2010
Message 2 of 3 (320 Views)

Re: WMS Attached DEM's Can anything be done with them, besides just viewing?

01-22-2013 11:35 AM in reply to: jgray

Anybody got any thoughts? Is the answer to my question, can I only view data as static image when attached to it as a WMS, with no hope of "working" with the data?

*Expert Elite*
antoniovinci
Posts: 1,662
Registered: ‎06-03-2011
Message 3 of 3 (317 Views)

Re: WMS Attached DEM's Can anything be done with them, besides just viewing?

01-22-2013 02:15 PM in reply to: jgray

A WMS service is projected in view-only mode, i.e. you cannot download anything from there, because it simply generates "on-the-fly" screen answers to your queries. 

You can find free Dem files here: http://gdex.cr.usgs.gov/gdex/

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