Digital Terrain Elevation Data

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1answer
78 views

Using GDAL to read dted files

How do I get the elevation at a certain point using gdal to read in a dted file? I don't see much useful information out on the web. I'm sorry I should have been more specific. How would I ...
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0answers
52 views

Converting Shapefile Elevation field to Height Field

HAve been trying to update the elevation field in my shape file (vector file *.shp) into a height field. Have tried to rasterize the shapefile then deduct the height using Raster Calculator with a ...
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1answer
31 views

Adding shapefile elevation data to dted

I am a newbie to QGIS. Currently trying to augment a dted raster value file with vector shapefile(polygon) containing height of buildings. Have converted the shapefile into raster via rasterize ...
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2answers
82 views

Where is it Possible to Find DTED0 Set?

As I understand, DTED0 should be available for free. Yet, I am not able to find any download link. Everything that Google search brings up (eg. http://geoengine.nima.mil) is dead and not working.
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1answer
51 views

Obtaining DTED1 or 2?

I've been looking around the internet and I can find freely available DTED0, but I am struggling to find databases for DTED1 or 2, even to purchase. Can anyone point me at a place that sells these ...
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1answer
139 views

How to distinguish SRTM from DTED using C#?

Does anyone know how to easily distinguish between SRTM vs DTED programmatically without opening file metadata header? both are .dt1 or .dt2 extensions.
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1answer
179 views

Map formats supported by QGIS

May i know whether QGIS supports the following map formats? (1) S-57 Electronic Navigation Charts (Naval Maps) (2) Army/IAF Maps in DGN (3) DTEDO0, DTEDO1 and DTEDO2 (4) GeoTIFF (5) DTED
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1answer
954 views

DTED Level 3, 4 or 5

Does the specification for DTED 0 - 2 also apply to 3 - 5? I know the finest resolution supported by spec MIL-PRF-89020B is 0.1 arc-seconds which I think would barely cover up through DTED level 4, ...
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86 views

(.NET) Get DTED Data (Elevation) Between Two Points

I want to get DTED data (elevation) between two points (on a line). Is there any built-in function for this purpose or I should implement it on my own? What I want is similar to Linear Line of Sight ...
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1answer
138 views

How to Mosaic DTED files (RasterDataset) using C#?

I use ArcGIS .NET SDK in C#. I'm able to load some DTED files in my ArcMap and show them in proper colors. What I want is to concat/merge/mosaic some DTED files. How can I do this? I want to mosaic ...
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0answers
111 views

How to convert DTED Level 1 into SRTM DTED

We have a GIS tool that handles only SRTM DTED level 1 terrain files. SRTM level 1 terrain files are limited to 60 deg lat. So I need to fill up the gap from 60 lat up to 90 deg lat. I have DTED ...
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4answers
2k views

Open source tool to view DTED and DEM raster-data

I am new to GIS field. Is there any open source GIS tool to view DTED and DEM tiff-files? Update 1 I have some DTED files and DEM files. I want to open and see those files using some open source GIS ...
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0answers
372 views

Rendering raster layer from DTED based on height color map

I have a raster layer that was create from DTED file (dt1 specifically), created by the following code: var rasterLayer = new RasterLayer(); rasterLayer.CreateFromFilePath(dtedFilePath); The dted ...