Questions tagged [dted]

Digital Terrain Elevation Data

0
votes
1answer
49 views

Getting elevation point from DTED file using ArcGIS Runtime SDK for WPF?

I am still new to the ArcGIS Runtime SDK for WPF. My project requires me to get the elevation point offline (local) from a DTED file. I had raster map view using mapview, then I want to get the ...
1
vote
0answers
128 views

Band 1: Access window out of range in RasterIO()

I'm trying to implement a mouse_move event handler to display the elevation based on the mouse location. I'm using the ThinkGeo API to display the raster map (.tif) and gdal C# to get the elevation ...
1
vote
1answer
463 views

Converting GeoTIFF to USGS DEM or DTED using GDAL

I have been looking the documentation for gdal_translate and it doesn't list the -of format available options there. So I tried looking at the source and basically ended up read the SetFromUserInput ...
1
vote
1answer
816 views

load multiple dted files using gdal

I have many files within different folders, for example: /path/to/dted/e001/n40.dt1 /path/to/dted/e001/n41.dt1 /path/to/dted/e000/n40.dt1 /path/to/dted/e000/n41.dt1 I managed to load single .dt1 ...
6
votes
0answers
195 views

GDAL contour line generation at DEM edges

In a Python application I use gdal.ContourGenerate() to generate contour lines (GDAL version 1.11.4 and 2.2.1) from DTED tiles. DTED tiles overlap at the top and the right with neighboring tiles. ...
1
vote
0answers
115 views

Setting up a local terrain tile server

I am setting up an offline tile server. Does anyone know of something similar to OpenStreetMaps and/or Stamenmaps for terrain data that I can use with unfolding or other api?
2
votes
1answer
2k views

Querying Elevation Data in Postgis

Problem: I have a bunch of raster data (DTED) and I want to use this to make elevation queries using PostGIS (if it makes sense). E.g. I want to ask the question "what is the elevation at (lat1,lon1), ...
3
votes
2answers
320 views

Why does GDAL open a DTED file as a vector format?

GDAL version: 2.1.1 Language: C++ Given the path of a geospatial file, I want to know whether the file is a raster or vector format. The only way I have found so far to make that distinction is to ...
1
vote
1answer
463 views

dt1 to hgt conversion

I have an application that generally uses .hgt files for 3-arc-second resolution of elevation data. A military user has asked us to use .dt1 files (also 3-arc-second resolution) that they have ...
1
vote
1answer
843 views

How to get elevation from dted only USGEO format using gdal apps

I need to get hieght by lat long position using gdal utilities
0
votes
1answer
1k views

Read dted with gdal in c++

I need to find the elevation of lat and long point using a dted map. I read that gdal can read this kind of map. I didn't find a tutorial. I read about gdal here but it's not very "user-friendly". Can ...
2
votes
1answer
3k views

Using GDAL in python to read elevation at a point from 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 ...
1
vote
0answers
380 views

Converting Shapefile elevation field to height field [closed]

Have been trying to update the elevation field in my shapefile (vector file *.shp) into a height field. Have tried to rasterize the shapefile then deduct the height using Raster Calculator with a ...
1
vote
1answer
623 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 ...
1
vote
3answers
8k 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.
-1
votes
1answer
2k 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 (...
1
vote
1answer
631 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.
3
votes
2answers
1k 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
1
vote
1answer
5k 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, ...
1
vote
0answers
229 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 (...
2
votes
1answer
721 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 ...
2
votes
0answers
353 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 ...
5
votes
4answers
11k 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 ...
1
vote
1answer
302 views

Getting names of currently visible rasters from catalog?

I have a simple win form app with a map control on it. The map has a layer (MADtedLayer) that was initialized from a catalog in a personal database (Access). The files displayed are DTED. I need to ...
2
votes
0answers
644 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 ...