Questions tagged [void]

Parts of SRTM (Shuttle Radar Topography Mission) data tiles which contain no data and as a result, can make the raster image look incomplete. This occurs due to bad radar scatter and can usually be solved by using various interpolation techniques.

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Filling up raster image (ASTER data)

I have an ASTER DEM with some data gaps. The gaps are not necessarily NULL but rather unusual values. For example, in the image below, the black portion has an altitude in the range of 2000 - 2100 m ...
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detecting errors in DEMs

I'm generating elevation contours from the latest ASTER DEMs, which involves processing hundreds of tiles. Unfortunately, some of them have substantial errors, as seen in this colour relief from ...
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Filling SRTM 1-arc second V4 voids using SRTM 1-arc second V3 with different resolution

I want to fill voids in the SRTM 1-arc second V4 (resolution 30m) DEM for Europe. Is it possible to directly fill the voids using SRTM 1-arc second V3 (resolution 90m) without resampling it to 30m ...
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Filling voids in DEM SRTM 1-arc second using QGIS by resampling and inserting another DEM

I'd like to use the DEM SRTM 1-arc second (Version 4, 30m) from USGS for Europe. Unfortunately there are some voids. My idea is to fill those voids using the void-filled version 3 (90m) by resampling ...
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Handling voids in SRTM3 data

When I actually work with SRTM 3 data in a meteorological application and especially when doing simulation over mountainous regions I expected and found a lot of voids in SRTM3 data. Has there been ...